appendix c soil exposure point concentration calculations · pdf filesoil exposure point...
TRANSCRIPT
AECOM Environment
January 2010
Appendix C Soil Exposure Point Concentration Calculations
RISK AREA 1 (Orphan Line)Statistical Summary of Arsenic Soil Data
Surficial Soil (0 to 6 inches bgs)MBTA - Readville 5 Yard Site, Dedham, MA.
West Milton Street Fence LineTotal Arsenic
Sample ID (mg/kg)IRA Soil Sampling, WSE April/May 2002Zone 1 - 200 feet 56Zone 1 - 250 feet 81Zone 1 - 500 feet 11Zone 1 - 600 feet 36Zone 1 - 900 feet (Soil Excavated from this area) 16Zone 1 - 1300 feet 21Zone 1 - 1350 feet 24Zone 1 - 1600 feet 51Zone 1 - 2450 feet 82Zone 1 - 2700 feet (Soil Excavated from this area) 47Zone 1 - 2750 feet/Zone 1 2750 Duplicate 30Zone 1 - 2800 feet 14
Statistical SummaryNo. of Samples 12
12Frequency of Detection 100%Minimum Concentration 11Maximum Concentration 82Average Concentration 39Standard Deviation 25
MassDEP Urban Background (Fill Soil) 20Max. Concentration Above Urban Background? YesDEP IH Threshold Concentration 87Max Concentration Above DEP IH Threshold Concentration? NoUCLs Exceeded? No
Notes:mg/kg = milligrams per kilogram, which is equivalent to parts per million (ppm).Bold/Shade= concentration indicates value exceeds DEP IH Threshold ConcentrationUCL = Upper Confidence Limit.
No. of Detects
APPENDIX C-1TABLE 1
C-1 Risk Area 1 - Revised Final.xlsx/Table 1
Tot
al L
ead
(1)
(mg/
kg)
(ft f
rom
bri
dge)
Pb 1
ft S
of t
rack
Pb 1
ft N
of t
rack
Loc
atio
n1
ft6
ftL
ocat
ion
1 ft
6 ft
IRA
Soi
l Sam
plin
g, W
SE A
pril/
May
200
20
347
556
100
171
416
1700
204
316
Zone
1 -
200
feet
540
100
131
173
150
206
462
1750
421
307
Zone
1 -
250
feet
560
200
116
128
200
516
496
1800
267
618
Zone
1 -
500
feet
180
300
248
146
250
343
773
1850
376
200
Zone
1 -
600
feet
190
400
192
164
300
499
353
1900
247
127
Zon
e 1
- 900
feet
(Soi
l Exc
avat
ed fr
om th
is a
rea)
1,24
7*50
020
410
435
017
216
719
5036
236
9Zo
ne 1
- 13
00 fe
et92
760
025
315
440
085
611
320
0019
324
0Zo
ne 1
- 13
50 fe
et25
070
022
814
745
085
9020
5017
121
8Zo
ne 1
- 16
00 fe
et20
080
017
320
350
053
438
121
0045
187
Zone
1 -
2450
feet
150
900
130
183
550
235
243
2150
187
378
Zon
e 1
- 270
0 fe
et(S
oil E
xcav
ated
from
this
are
a)3,
400*
1000
132
172
600
226
398
2200
158
185
Zone
1 -
2750
feet
/Zon
e 1
2750
Dup
licat
e44
011
0011
620
665
029
186
2250
346
323
Zone
1 -
2800
feet
300
1200
133
108
700
245
484
2300
187
328
1300
113
280
750
657
510
2350
162
154
IRA
Exc
avat
ion
Con
firm
ator
y Sa
mpl
ing,
WSE
, Jun
e, 2
002 (3
) :14
0020
623
780
022
810
724
0047
81Zo
ne 1
-900
feet
(Ave
rage
of s
ide-
wal
l, pi
t bot
tom
and
dup
sam
ple s
368
1500
106
208
850
348
239
2450
169
122
Zone
1 -
2700
feet
(Ave
rage
of s
ide-
wal
l, pi
t bot
tom
and
dup
sam
p l73
1600
372
386
900
496
1008
2500
254
354
1700
136
163
950
355
238
2550
286
440
1800
135
156
1000
209
308
2600
477
704
LFR
XR
F D
ata,
Nov
embe
r-D
ecem
ber
2005
1900
209
183
1050
152
258
2650
528
219
<28.
6520
0024
316
611
0018
132
427
0032
5812
8623
121
0040
313
911
5038
039
027
5076
425
9<3
1.65
2200
419
9612
0021
811
128
0028
325
8323
0046
920
012
5046
231
228
5041
747
024
0036
114
213
0028
314
129
0025
631
925
0047
416
213
5036
3092
229
5023
618
326
0041
521
114
0031
133
930
0037
319
227
0036
524
514
5030
941
520
5023
045
2800
486
130
1500
156
299
3100
9032
2900
567
201
1550
354
101
3000
199
259
1600
187
270
End
of l
ine
168
1650
201
202
Not
es:
mg/
kg =
mill
igra
ms p
er k
ilogr
am, w
hich
is e
quiv
alen
t to
parts
per
mill
ion
(ppm
).
* =
Ast
risk
indi
cate
s tha
t the
soil
repr
esen
ted
by th
e sa
mpl
e ha
s bee
n re
mov
ed fr
om th
e Si
te.
UC
L =
Upp
er C
onfid
ence
Lim
it.St
atis
tics
Num
ber o
f Sam
ples
200
Min
imum
Con
cent
ratio
n32
Max
imum
Con
cent
ratio
n3,
630
Ave
rage
327
95th
Per
cent
ile71
3St
anda
rd D
evia
tion
399
t-val
ue1.
972
95%
Con
fiden
ce L
imit
5695
% U
CL
on th
e M
ean
383
APP
EN
IDX
C-1
TA
BL
E 2
RIS
K A
RE
A 1
(Wes
t Milt
on S
tree
t Fen
ce L
ine
and
Orp
han
Lin
e)St
atis
tical
Sum
mar
y of
Lea
d D
ata
Sam
ple
ID
Surf
icia
l Soi
l (0
to 6
inch
es b
gs)
MB
TA
- R
eadv
ille
5 Y
ard
Site
, Ded
ham
, MA
. DE
P's X
RF
Scre
enin
g D
ata
Orp
han
Lin
eW
est M
ilton
Str
eet F
ence
Lin
e
333
(0-6
")44
1 (0
-6")
387
(0-6
")
C-1
Ris
k A
rea
1 - R
evis
ed F
inal
.xls
x/Ta
ble
2
APP
EN
DIX
C-1
TA
BL
E 3
RIS
K A
RE
A 1
(OR
PHA
N L
INE
)Sh
allo
w S
ubsu
rfac
e So
il D
ata
- Fill
(0 to
3 fe
et)
MB
TA
Rea
dvill
e 5
Yar
d, R
eadv
ille,
MA
.
Sum
mar
y St
atis
tics
Ana
lyte
Uni
ts0
to 1
2 to
2.5
0 to
12
to 3
0 to
11.
5 to
20
to 1
2 to
30
to 1
2 to
2.5
Min
Max
Mea
n95
th P
erce
ntile
Soil
Typ
eFi
llFi
llFi
llFi
llFi
llFi
llFi
llFi
llFi
llFi
ll
Tot
al M
etal
sA
rsen
icm
g/kg
2913
6.2
3.4
204.
28.
52.
48.
43.
4-
--
--
--
-20
Yes
1Y
esC
obal
tm
g/kg
3.7
3.9
5.1
35
4.8
4.7
44.
44.
810
1010
0%3
5.1
4.3
4.8
5.1
4Y
es6
Yes
Lead
mg/
kg59
2069
8.4
9811
505.
668
11-
--
--
--
-60
0Y
es0
Yes
EPH
C9-
C18
Alip
hatic
s, U
nadj
uste
dm
g/kg
5.2
5.3
5.25
5.8
6.15
5.2
5.5
5.15
5.2
5.15
100
0%N
DN
DN
DN
DN
DN
A-
-N
oC
19-C
36 A
lipha
tics,
Una
djus
ted
mg/
kg32
.912
.918
.65.8
34.3
5.2
5.5
34.5
14.9
5.15
106
60%
12.9
34.5
1726
34.4
NA
--
Yes
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kg13
131
.722
276
.499
.755
.25.5
91.9
43.8
13.6
109
90%
13.6
222
7712
318
1.1
NA
--
No
C11
-C22
Aro
mat
ics,
Adj
uste
dm
g/kg
112
30.5
158
62.3
79.7
44.5
5.5
69.4
43.2
13.6
109
90%
13.6
158
6295
137.
3N
A-
-Y
es
Non
C-P
AH
s (m
g/kg
-dry
)N
apht
hale
nem
g/kg
0.261
0.266
0.263
0.291
0.309
0.261
0.275
0.258
0.261
0.258
100
0%N
DN
DN
DN
DN
D1
No
0N
o2-
met
hyln
apht
hale
nem
g/kg
0.261
0.266
0.263
0.291
0.309
0.261
0.275
0.258
0.261
0.258
100
0%N
DN
DN
DN
DN
D1
No
0N
oA
cena
phth
ylen
em
g/kg
0.261
0.266
1.37
0.291
0.309
0.261
0.275
0.258
0.261
0.258
101
10%
1.37
1.37
0.38
0.6
0.9
1Y
es1
Yes
Ace
naph
then
em
g/kg
0.261
0.266
0.263
0.291
0.309
0.261
0.275
0.258
0.261
0.258
100
0%N
DN
DN
DN
DN
D2
No
0N
oA
nthr
acen
em
g/kg
0.261
0.266
1.30
0.291
0.309
0.261
0.275
0.258
0.261
0.258
101
10%
1.30
1.30
0.37
0.6
0.9
4N
o0
No
Fluo
rene
mg/
kg0.261
0.266
0.263
0.291
0.309
0.261
0.275
0.258
0.261
0.258
100
0%N
DN
DN
DN
DN
D2
No
0N
oPh
enan
thre
nem
g/kg
1.4
0.266
6.45
1.32
0.72
30.261
0.275
1.66
0.261
0.258
105
50%
0.72
36.
451.
292.
64.
320
No
0N
oFl
uora
nthe
nem
g/kg
2.95
0.61
111
.73.
13.
431.
70.275
4.45
0.261
0.258
107
70%
0.61
111
.72.
875.
38.
410
Yes
1Y
esPy
rene
mg/
kg2.
740.266
6.66
1.94
2.3
1.24
0.275
3.48
0.261
0.258
106
60%
1.24
6.66
1.94
3.4
5.2
20N
o0
No
Ben
zo(g
,h,i)
pery
lene
mg/
kg1.
040.266
1.93
0.291
1.34
0.73
10.275
1.16
0.261
0.258
105
50%
0.73
11.
930.
761.
21.
73
No
0N
o
C-P
AH
s (m
g/kg
-dry
)B
enzo
(a)a
nthr
acen
em
g/kg
1.31
0.266
6.12
1.47
1.64
0.90
30.275
1.63
0.261
0.258
106
60%
0.90
36.
121.
42.
74.
19
No
0N
oC
hrys
ene
mg/
kg2.
180.266
6.02
1.49
2.04
1.19
0.275
2.19
0.261
0.258
106
60%
1.19
6.02
01.
62.
94.
37
No
0N
oB
enzo
(b)f
luor
anth
ene
mg/
kg2.
450.
537
4.92
1.23
2.16
1.15
0.275
1.93
0.261
0.258
107
70%
0.53
74.
920
1.5
2.6
3.8
8N
o0
No
Ben
zo(k
)flu
oran
then
em
g/kg
2.47
0.266
8.00
1.89
3.02
1.66
0.275
2.9
0.261
0.258
106
60%
1.66
8.00
02.
13.
85.
84
Yes
1Y
esB
enzo
(a)p
yren
em
g/kg
1.16
0.266
4.43
1.06
1.26
0.85
30.275
1.22
0.261
0.258
106
60%
0.85
34.
430
1.1
2.0
3.0
7N
o0
No
Inde
no(1
,2,3
-cd)
Pyre
nem
g/kg
1.22
0.266
2.83
0.67
31.
10.
647
0.275
0.94
20.261
0.258
106
60%
0.64
72.
830
0.8
1.4
2.1
3N
o0
No
Dib
enzo
(a,h
)ant
hrac
ene
mg/
kg0.261
0.266
1.94
0.291
0.96
20.
676
0.275
0.93
40.261
0.258
104
40%
0.67
61.
940
0.6
1.0
1.5
1Y
es1
Yes
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
H =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.
Mas
sDE
P U
rban
B
ackg
roun
dC
once
ntra
tion
(Fill
So
il C
onta
inin
g A
sh)
Ret
aine
dA
s CO
C?
WSE
,Pha
se II
Dat
a
OL
/SS-
1O
L/S
S-5
OL
/SS-
4O
L/S
S-3
OL
/SS-
2Fr
eque
ncy
of
Det
ectio
nN
o. o
f Sa
mpl
esN
o. o
f D
etec
ts
Num
ber
Sam
ples
A
bove
Urb
an
Bac
kgro
und
Upp
er 9
5%
UC
L o
f Mea
n
Site
Max
imum
D
etec
ted
Con
cent
ratio
nA
bove
Bac
kgro
und?
C-1
Ris
k A
rea
1 - R
evis
ed F
inal
.xls
x/Ta
ble
3
Tot
al L
ead
(mg/
kg)
(ft f
rom
bri
dge)
Pb 1
ft S
of t
rack
Pb 1
ft N
of t
rack
Loc
atio
n1
ft6
ftL
ocat
ion
1 ft
6 ft
IRA
Soi
l Sam
plin
g, W
SE A
pril/
May
200
20
347
556
100
171
416
1700
204
316
Zone
1 -
200
feet
540
100
131
173
150
206
462
1750
421
307
Zone
1 -
250
feet
560
200
116
128
200
516
496
1800
267
618
Zone
1 -
500
feet
180
300
248
146
250
343
773
1850
376
200
Zone
1 -
600
feet
190
400
192
164
300
499
353
1900
247
127
Zon
e 1
- 900
feet
(Soi
l Exc
avat
ed fr
om th
is a
rea)
1247
*50
020
410
435
017
216
719
5036
236
9Zo
ne 1
- 13
00 fe
et92
760
025
315
440
085
611
320
0019
324
0Zo
ne 1
- 13
50 fe
et25
070
022
814
745
085
9020
5017
121
8Zo
ne 1
- 16
00 fe
et20
080
017
320
350
053
438
121
0045
187
Zone
1 -
2450
feet
150
900
130
183
550
235
243
2150
187
378
Zon
e 1
- 270
0 fe
et(S
oil E
xcav
ated
from
this
are
a)34
00*
1000
132
172
600
226
398
2200
158
185
Zone
1 -
2750
feet
/Zon
e 1
2750
Dup
licat
e44
011
0011
620
665
029
186
2250
346
323
Zone
1 -
2800
feet
300
1200
133
108
700
245
484
2300
187
328
1300
113
280
750
657
510
2350
162
154
IRA
Exc
avat
ion
Con
firm
ator
y Sa
mpl
ing,
WSE
, Jun
e, 2
002:
1400
206
237
800
228
107
2400
4781
Zone
1 -9
00 fe
et (A
vera
ge o
f sid
e-w
all,
pit b
otto
m a
nd d
up sa
mpl
e s36
815
0010
620
885
034
823
924
5016
912
2Zo
ne 1
- 27
00 fe
et (A
vera
ge o
f sid
e-w
all,
pit b
otto
m a
nd d
up sa
mpl
7316
0037
238
690
049
610
0825
0025
435
417
0013
616
395
035
523
825
5028
644
0W
SE, P
hase
II S
ampl
es, 2
002
1800
135
156
1000
209
308
2600
477
704
OL/
SS-1
(0 to
1 fo
ot)
5919
0020
918
310
5015
225
826
5052
821
9O
L/SS
-1 (2
to 2
.5 fo
ot)
2020
0024
316
611
0018
132
427
0032
5812
86O
L/SS
-2 (0
to 1
foot
)69
2100
403
139
1150
380
390
2750
764
259
OL/
SS-2
(2 to
3 fo
ot)
8.4
2200
419
9612
0021
811
128
0028
325
83O
L/SS
-3 (0
to 1
foot
)98
2300
469
200
1250
462
312
2850
417
470
OL/
SS-3
(1.5
to 2
foot
)11
2400
361
142
1300
283
141
2900
256
319
OL/
SS-4
(0 to
1 fo
ot)
5025
0047
416
213
5036
3092
229
5023
618
3O
L/SS
-4 (2
to 3
foot
)5.
626
0041
521
114
0031
133
930
0037
319
2O
L/SS
-5 (0
to 1
foot
)68
2700
365
245
1450
309
415
2050
230
45O
L/SS
-5 (2
to 2
.5 fo
ot)
1128
0048
613
015
0015
629
931
0090
3229
0056
720
115
5035
410
130
0019
925
916
0018
727
0E
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APPENDIX C-1
Total Arsenic Risk Area Sample ID (mg/kg)Milton St. IRA Soil Sampling, WSE April/May 2002
Zone 1 - 200 feet 56Zone 1 - 250 feet 81Zone 1 - 500 feet 11Zone 1 - 600 feet 36
(Soil Excavated) Zone 1 - 900 feet 16Zone 1 - 1300 feet 21Zone 1 - 1350 feet 24Zone 1 - 1600 feet 51Zone 1 - 2450 feet 82
(Soil Excavated) Zone 1 - 2700 feet 47(Includes Dup) Zone 1 - 2750 feet 30
Zone 1 - 2800 feet 14
Orphan Line WSE, Phase II Samples, 2002OL/SS-1 (0 to 1 foot) 29OL/SS-1 (2 to 2.5 foot) 13OL/SS-2 (0 to 1 foot) 6OL/SS-2 (2 to 3 foot) 3.4OL/SS-3 (0 to 1 foot) 20OL/SS-3 (1.5 to 2 foot) 4.2OL/SS-4 (0 to 1 foot) 8.5OL/SS-4 (2 to 3 foot) 2.4OL/SS-5 (0 to 1 foot) 8.4OL/SS-5 (2 to 2.5 foot) 3.4
No. of Samples 22Min 2Max 82Average 2695th Percentile 80Standard Deviation 24t-value 2.08095% Confidence Interval 1195% UCL of the Mean 36
Notes:mg/kg = milligrams per kilogram, which is equivalent to parts per million (ppm).* = Astrisk indicates that the soil represented by the sample has been removed from the Site.UCL = Upper Confidence Limit.
MBTA - Readville 5 Yard Site, Dedham, MA.
TABLE 5RISK AREA 1 (West Milton Street Fence and Orphan Line)
Statistical Summary of Arsenic DataSurficial Soil (0 to 3 feet bgs)
C-1 Risk Area 1 - Revised Final.xlsx/Table 5
RISK AREA 2 - ASHCROFT STREET FENCE LINEStatistical Summary of Arsenic and Lead Data
Surficial Soil (0 to 6 inches bgs) and Shallow Soil (18" bgs)MBTA - Readville 5 Yard Site, Dedham, MA.
Total Lead Total Arsenic Surficial Soil (0 to 6" bgs) Surficial Soil (0 to 6" bgs) Shallow Soil (18" bgs)
IRA Soil Sampling, WSE April/May 2002(1):Zone 2 - 200 feet 293 183 -Zone 2 - 300 feet 233 123 -Dup 2 (Zone 2-300 feet) 227 123 -Zone 2 - 400 feet 440 117 -Zone 2 - 500 feet 590 147 -
IRA Soil Sampling, WSE May 2002:- 78 -- 72 -- 150 -- 210 -- 130 -- 77 -- - 38- 210- - 30- - 67- 130 -- 140 -- 52 -- 66 -- 97 -- 16 -- 330 -- 100 -- 26 -- 25 -- - 9.8- 27 -- - 3.6- 31 -- 210 -- 25 -- 6.8 -- 43 -- - 7.5- 12 -- - 1.7- 8.0 -- 50 -- 56 -- 9.0 -- 9 -- - 69- 12 -- 8.1 -- - 16- 5.6 -
Statistical SummaryNo. of Samples 5 37 9No. of Detects 5 37 9Frequency of Detection 100% 100% 100%Minimum Concentration 227 5.6 1.7Maximum Concentration 590 330 69Average Concentration 357 84 27Standard Deviation 156 76 26
2.776 2.028 2.30695% Confidence Interval 194 25 20Upper 95% UCL on the Mean 551 110 47
MassDEP Urban Background (Fill Soil) 600 20 20CA/T 95th Percentile Urban Background 1,100 21 21Max. Concentration Above Background? No Yes Yes
Notes:
mg/kg = milligrams per kilograms, which is equivalent to parts per million (ppm).
(1) Total lead and arsenic concentrations based on single detected concentration or average concentration of multiple analyses by EPA Method 6010B as reported in July 2002 IRA Status Report.
Z2/400/5/20"Z2/375/10/6"
DUP-2 (Z2/525/10/6")
Z2/475/10/6"
Z2/500/10/18"Z2/500/15/6"Z2/500/10/6"Z2/500/4/18"
Z2/325/10/6"Z2/300/15/6"
Z2400/15/6"
Z2/450/15/6"Z2/450/10/6"Z2/425/10/6"
Z2/350/15/6"Z2/350/10/6"
Z2/400/10/18"Z2/400/10/6"
Z2/250/15/6"
Z2/231/10/6"DUP-3 (Z2/250/10/6")
Z2/200/17/6"
Z2/300/10/18"Z2/300/10/6"Z2/300/4/18"Z2/275/10/6"
Z2/175/5/6"Z2/150/15/6"
T-value
Z2/50/10/6"
Z2/150/10/6"Z2/125/10/6"Z2/100/15/6"
Z2/100/10/6"DUP-5 (Z2/100/10/18")
Z2/50/15/6"
APPENDIX C-2TABLE 1
Z2/25/10/6"Z2/0/15/6"Z2/0/10/6"
Sample ID
Z2/100/4/18"Z2/75/10/6"
Z2/200/5/6"
C-2 Risk Area 2 - Final.xls/Table 1
RISK AREA 2 - ASHCROFT STREET FENCE LINEStatistical Summary of Lead Data - Surafce Soil (0 to 6 inches)
MBTA - Readville 5 Yard Site, Dedham, MA.
Total LeadSurficial Soil (0 to 6" bgs)
IRA Soil Sampling, WSE April/May 2002(1):Zone 2 - 200 feet 293Zone 2 - 300 feet 233Dup 2 (Zone 2-300 feet) 227Zone 2 - 400 feet 440Zone 2 - 500 feet 590
MassDEP Lead XRF data - 6 feet0 83
50 402100 168150 134
MassDEP XRF Lead data - 1 ft0 334
100 296150 170
MassDEP XRF Lead data - 4 ft0 443
50 153100 225150 263
MassDEP XRF Lead data - 14 ft200 111250 23300 209350 271400 451450 499500 602550 875600 57650 531700 150
MassDEP XRF Lead data - 19 ft200 66250 138300 307350 195400 360450 609500 165550 742600 465650 458700 107
MassDEP XRF Lead data - 24 ft250 272
Statistical SummaryNo. of Samples 39No. of Detects 39Frequency of Detection 100%Minimum Concentration 23Maximum Concentration 875Average Concentration 311Standard Deviation 200
2.02495% Confidence Interval 65Upper 95% UCL on the Mean 375
MassDEP Urban Background (Fill Soil) 600CA/T 95th Percentile Urban Background 1,100Max. Concentration Above Background? Yes
Notes:
mg/kg = milligrams per kilograms, which is equivalent to parts per million (ppm).UCL = Upper Confidence Limit.
concentration of multiple analyses by EPA Method 6010B as reported in July 2002 IRA Status Report.
APPENDIX C-2
Sample ID
TABLE 2
T-value
C-2 Risk Area 2 - Final.xls/Table 2
APPENDIX C-3TABLE 1
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary Metals - Lead Only Surficial Soil (0 to 6 inches) - All data sources
WSE Phase II 2000 Lab Data, Rizzo October 2000 IH Lab Data, MassDEP 2002 XRF Data, LFR 2005 (Lab and XRF Data) and Earth Tech June 2008 (Lab and XRF Data)
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)PHASE, WSE, June 2002BL/SS-4/0-6" 130BL/SS-5/0-6" 2,900BL/SS-6/0-6" 1,000BL/SS-7/0-6" 280BL/SS-8/0-6" 36
IRA, Rizzo, October 2000SS21 Readville 82SS23 Readville 1,300SS28 Readville 910SS29 Readville 4,000SS30 Readville 1,200SS31 Readville 4,600SS32 Readville 4,800SS33 Readville 3,000SS34 Readville 1,500SS35 Readville 3,200SS36 Readville 5,500SS37 Readville 1,900SS38 Readville 2,300SS39 Readville 5,600SS40 Readville 2,300SS41 Readville 4,000SS42 Readville 1,900SS43 Readville 1,600SS44 Readville 1,300SS45 Readville 480SS46 Readville 500SS47 Readville 340SS48 Readville 4,900
MassDEP XRF Lead dataRow C 0 253Row C 50 357Row C 100 231Row C 150 161Row C 200 235Row C 250 377Row C 300 303Row C 350 326Row C 400 240Row C 450 339Row C 500 239Row C 550 305
C-3 Risk Area 3 - Revised Final.xlsx/Table 1 Page 1 of 7
APPENDIX C-3TABLE 1
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary Metals - Lead Only Surficial Soil (0 to 6 inches) - All data sources
WSE Phase II 2000 Lab Data, Rizzo October 2000 IH Lab Data, MassDEP 2002 XRF Data, LFR 2005 (Lab and XRF Data) and Earth Tech June 2008 (Lab and XRF Data)
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)Row C 600 291Row C 650 331Row C 700 366Row C 750 254Row C 800 423Row C 850 365Row C 950 487Row C 1000 378Row C 1050 324Row C 1100 311Row C 1150 416Row C 1200 213Row C 1250 248Row C 1300 190Row C 1350 259Row C 1400 249Row C 1450 238Row C 1500 348Row C 1550 228Row C 1600 330Row C 1650 285Row C 1750 484Row C 1800 252Row C 1850 347Row C 1900 1,206Row C 1950 367Row C 2000 246Row C 2050 335Row C 2100 265Row C 2150 398Row C 2200 364Row C 2250 210Row C 2300 324Row DE 50 130Row DE 100 283Row DE 150 187Row DE 200 297Row DE 300 490Row DE 400 818Row DE 500 718Row DE 600 309Row DE 700 267Row DE 800 212Row DE 900 260
C-3 Risk Area 3 - Revised Final.xlsx/Table 1 Page 2 of 7
APPENDIX C-3TABLE 1
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary Metals - Lead Only Surficial Soil (0 to 6 inches) - All data sources
WSE Phase II 2000 Lab Data, Rizzo October 2000 IH Lab Data, MassDEP 2002 XRF Data, LFR 2005 (Lab and XRF Data) and Earth Tech June 2008 (Lab and XRF Data)
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)Row DE 1000 392Row DE 1100 365Row DE 1200 287Row DE 1300 232Row DE 1400 311Row DE 1500 254Row DE 1600 253Row DE 1700 411Row DE 1800 212Row DE 1900 334Row DE 2000 388Row DE 2100 370Row DE 2200 449Row DE 2300 201Row FG 800 568Row FG 900 785Row FG 1000 377Row FG 1100 321Row FG 1200 519Row FG 1300 841Row FG 1400 990Row FG 1500 619Row FG 1600 500Row FG 1700 7,600Row FG 1800 3,983Row FG 1900 848Row FG 2000 832Row HI 800 338Row HI 900 467Row HI 1000 925Row HI 1100 1,060Row HI 1200 835Row HI 1300 1,416Row HI 1400 1,980Row HI 1500 1,646Row HI 1600 2,270Row HI 1700 1,990Row HI 1800 2,273Row HI 1900 2,016Row HI 2000 2,266Row HI 2100 1,013Row HI 2200 1,263Row HI 2300 2,946
C-3 Risk Area 3 - Revised Final.xlsx/Table 1 Page 3 of 7
APPENDIX C-3TABLE 1
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary Metals - Lead Only Surficial Soil (0 to 6 inches) - All data sources
WSE Phase II 2000 Lab Data, Rizzo October 2000 IH Lab Data, MassDEP 2002 XRF Data, LFR 2005 (Lab and XRF Data) and Earth Tech June 2008 (Lab and XRF Data)
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)Row JK 1000 378Row JK 1100 748Row JK 1200 1,630Row JK 1300 442Row JK 1400 1,420Row JK 1500 2,043Row JK 1600 1,173Row JK 1700 1,470Row JK 1800 783Row JK 1900 805Row JK 2000 1,396Row JK 2100 911Row JK 2200 276Row JK 2300 2,463Row LM 1300 116Row LM 1400 102Row LM 1500 540Row LM 1600 990Row LM 1700 414Row LM 1800 437Row LM 1900 261Row LM 2000 425Row LM 2100 427Row LM 2200 551Row LM 2300 459Row NO 1600 343Row NO 1700 323Row NO 1800 143Row NO 1900 245Row NO 2000 545Row NO 2100 376Row NO 2200 460Row NO 2300 520Row PQ 2000 258Row PQ 2100 204Row PQ 2200 284Row PQ 2300 357Row RS 2200 51Row RS 2300 113
C-3 Risk Area 3 - Revised Final.xlsx/Table 1 Page 4 of 7
APPENDIX C-3TABLE 1
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary Metals - Lead Only Surficial Soil (0 to 6 inches) - All data sources
WSE Phase II 2000 Lab Data, Rizzo October 2000 IH Lab Data, MassDEP 2002 XRF Data, LFR 2005 (Lab and XRF Data) and Earth Tech June 2008 (Lab and XRF Data)
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)LFR XRF Data, November-December 2005105 1779.2*215 1189.6247 932.8259 763.6264 1069.6268 1360324 2228.8*355 1779.2356 1289.6357 789.2358 1229.6360 841.6361 320.6362 268.8370 1929.6375 1580*386 551.6411 1129.6412 1769.6413 320.4414 372415 269416 1229.6417 3219.2418 132.6423 167.9467 1120*468 443.6469 796.4470 975.2471 890.4472 1160473 1520*474 1149.6476 194.2485 1229.6493 <26.25523 398524 536525 586.8526 941.6527 1200528 1489.6532 654.4
C-3 Risk Area 3 - Revised Final.xlsx/Table 1 Page 5 of 7
APPENDIX C-3TABLE 1
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary Metals - Lead Only Surficial Soil (0 to 6 inches) - All data sources
WSE Phase II 2000 Lab Data, Rizzo October 2000 IH Lab Data, MassDEP 2002 XRF Data, LFR 2005 (Lab and XRF Data) and Earth Tech June 2008 (Lab and XRF Data)
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)579 496.8580 702.8581 1529.6582 912.8583 568.8584 1809.6585 2979.2593 896597 <26.7601 657.2636 960638 2129.6640 1049.6641 2579.2694 282.4696 <30.45748 62749 110750 422751 297752 346753 <37.2761 <37.2805 <29.7806 <36.45807 <34.35808 <35.1809 <31.8814 <33.75861 30.6862 <30.6863 <24864 <32.7917 36.5918 38919 <35.4920 <25.95973 35.7974 <36.15975 369.4
C-3 Risk Area 3 - Revised Final.xlsx/Table 1 Page 6 of 7
APPENDIX C-3TABLE 1
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary Metals - Lead Only Surficial Soil (0 to 6 inches) - All data sources
WSE Phase II 2000 Lab Data, Rizzo October 2000 IH Lab Data, MassDEP 2002 XRF Data, LFR 2005 (Lab and XRF Data) and Earth Tech June 2008 (Lab and XRF Data)
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)LFR Laboratory Data, November-December 2005105 3,110247 530*248 533324 2,240355 1090*375 1,640417 3020*467 1,580473 3,180975 352*
Earth Tech XRF Data, June 2008247 (0-0.5) 193355 (0-0.5) 3,990418 (0-0.5) 487473 (0-0.5) 2,206636 (0-0.5) 973640 (0-0.5) 917
Summary Statistics:No. of Samples 267No. of Detects 250Frequency of Detection 94%Minimum Concentration 31Maxiumum Concentration 7,600Average Concentration 892Standard Deviation 1,098t-value 1.96995% Confidence Interval 13295% UCL on the Mean 1,024
MassDEP Urban Background (Fill Soil) 600CA/T 95th Percentile Urban Background 1,100Max. Concentration Above Background? YesUCLs Exceeded? Yes
Notes:* - Duplicate sample analyzed by XRF and laboratory. Higher detected result of the duplicate analyses used in the summary statistics. Asterisk placed on result not used.mg/kg = milligrams per kilogram, which is equivalent to parts per million (ppm).UCL = Upper Confidence Limit.
C-3 Risk Area 3 - Revised Final.xlsx/Table 1 Page 7 of 7
APPENDIX C-3TABLE 2
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary - Lead in Shallow Subusrafce Soil (0 to 3 feet) - All Data Sources
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)PHASE II, WSE, June 2002BL/SS-4/0-6" 130BL/SS-5/0-6" 2,900BL/SS-6/0-6" 1,000BL/SS-7/0-6" 280BL/SS-8/0-6" 36
PHASE II, WSE, June 2002SA/GP-39 (0-2 feet) 600DDHA/-1(0 to 1 foot) 5,400DD/HA-2 (0 to 1.5 feet) 160DD/HA-3 (0 to 1.5 feet) 54DD/HA-4 (0 to 1.5 feet) 140SA/GP-17 (2 to 4 feet) 4.5SA/GP-40 (2 to 4 feet) 8.2HB/GP-26 (2 to 4 feet) 350CL/GP-20 (2 to 4 feet) 3,800CL/GP-21(2 to 4 feet) 1,300CL/GP-22 (2 to 4 feet) 33
IRA, Rizzo, October 2000SS21 Readville 82SS23 Readville 1,300SS28 Readville 910SS29 Readville 4,000SS30 Readville 1,200SS31 Readville 4,600SS32 Readville 4,800SS33 Readville 3,000SS34 Readville 1,500SS35 Readville 3,200SS36 Readville 5,500SS37 Readville 1,900SS38 Readville 2,300SS39 Readville 5,600SS40 Readville 2,300SS41 Readville 4,000SS42 Readville 1,900
C-3 Risk Area 3 - Revised Final.xlsx/Table 2 Page 1 of 10
APPENDIX C-3TABLE 2
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary - Lead in Shallow Subusrafce Soil (0 to 3 feet) - All Data Sources
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
SS43 Readville 1,600SS44 Readville 1,300SS45 Readville 480SS46 Readville 500SS47 Readville 340SS48 Readville 4,900
MassDEP XRF Lead dataRow C 0 253Row C 50 357Row C 100 231Row C 150 161Row C 200 235Row C 250 377Row C 300 303Row C 350 326Row C 400 240Row C 450 339Row C 500 239Row C 550 305Row C 600 291Row C 650 331Row C 700 366Row C 750 254Row C 800 423Row C 850 365Row C 950 487Row C 1000 378Row C 1050 324Row C 1100 311Row C 1150 416Row C 1200 213Row C 1250 248Row C 1300 190Row C 1350 259Row C 1400 249Row C 1450 238Row C 1500 348
C-3 Risk Area 3 - Revised Final.xlsx/Table 2 Page 2 of 10
APPENDIX C-3TABLE 2
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary - Lead in Shallow Subusrafce Soil (0 to 3 feet) - All Data Sources
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
Row C 1550 228Row C 1600 330Row C 1650 285Row C 1750 484Row C 1800 252Row C 1850 347Row C 1900 1206Row C 1950 367Row C 2000 246Row C 2050 335Row C 2100 265Row C 2150 398Row C 2200 364Row C 2250 210Row C 2300 324Row DE 50 130Row DE 100 283Row DE 150 187Row DE 200 297Row DE 300 490Row DE 400 818Row DE 500 718Row DE 600 309Row DE 700 267Row DE 800 212Row DE 900 260Row DE 1000 392Row DE 1100 365Row DE 1200 287Row DE 1300 232Row DE 1400 311Row DE 1500 254Row DE 1600 253Row DE 1700 411Row DE 1800 212Row DE 1900 334Row DE 2000 388Row DE 2100 370Row DE 2200 449Row DE 2300 201Row FG 800 568Row FG 900 785Row FG 1000 377Row FG 1100 321Row FG 1200 519
C-3 Risk Area 3 - Revised Final.xlsx/Table 2 Page 3 of 10
APPENDIX C-3TABLE 2
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary - Lead in Shallow Subusrafce Soil (0 to 3 feet) - All Data Sources
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)Row FG 1300 841Row FG 1400 990Row FG 1500 619Row FG 1600 500Row FG 1700 7600Row FG 1800 3983Row FG 1900 848Row FG 2000 832Row HI 800 338Row HI 900 467Row HI 1000 925Row HI 1100 1060Row HI 1200 835Row HI 1300 1416Row HI 1400 1980Row HI 1500 1646Row HI 1600 2270Row HI 1700 1990Row HI 1800 2273Row HI 1900 2016Row HI 2000 2266Row HI 2100 1013Row HI 2200 1263Row HI 2300 2946Row JK 1000 378Row JK 1100 748Row JK 1200 1630Row JK 1300 442Row JK 1400 1420Row JK 1500 2043Row JK 1600 1173Row JK 1700 1470Row JK 1800 783Row JK 1900 805Row JK 2000 1396Row JK 2100 911Row JK 2200 276Row JK 2300 2463Row LM 1300 116Row LM 1400 102Row LM 1500 540Row LM 1600 990Row LM 1700 414Row LM 1800 437Row LM 1900 261Row LM 2000 425Row LM 2100 427
C-3 Risk Area 3 - Revised Final.xlsx/Table 2 Page 4 of 10
APPENDIX C-3TABLE 2
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary - Lead in Shallow Subusrafce Soil (0 to 3 feet) - All Data Sources
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)Row LM 2200 551Row LM 2300 459Row NO 1600 343Row NO 1700 323Row NO 1800 143Row NO 1900 245Row NO 2000 545Row NO 2100 376Row NO 2200 460Row NO 2300 520Row PQ 2000 258Row PQ 2100 204Row PQ 2200 284Row PQ 2300 357Row RS 2200 51Row RS 2300 113
LFR XRF Data, November-December 2005 1
105 113.7105 1779.2*215 43.7215 1189.6247 932.8247 <28.35259 347.6259 763.6264 38.6264 1069.6268 1360268 <33.9*324 28.5324 2228.8*355 1779.2355 <27356 1289.6356 <33357 789.2357 <35358 1229.6358 <32360 32.8360 841.6361 320.6361 <35362 268.8362 <29370 1929.6
C-3 Risk Area 3 - Revised Final.xlsx/Table 2 Page 5 of 10
APPENDIX C-3TABLE 2
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary - Lead in Shallow Subusrafce Soil (0 to 3 feet) - All Data Sources
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)370 <23.7375 84375 1580*386 161.5386 551.6411 34411 1129.6412 1769.6412 <33413 320.4413 <36414 372414 782.4415 269415 <32416 1229.6416 <34417 45.9417 3219.2418 132.6418 542.8423 167.9423 <31.8467 688467 1120*467 <33468 443.6468 <35469 796.4469 <36470 37470 975.2471 115.3471 890.4472 127.3472 1160473 43.8473 1520*474 55.5474 1149.6476 194.2476 <29.4485 104485 1229.6493 101.4493 <26.25523 398
C-3 Risk Area 3 - Revised Final.xlsx/Table 2 Page 6 of 10
APPENDIX C-3TABLE 2
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary - Lead in Shallow Subusrafce Soil (0 to 3 feet) - All Data Sources
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)523 401.4*524 536524 579.6525 83.4525 586.8526 44.6526 941.6527 1200527 <32528 697.6528 1489.6532 43.4532 654.4579 496.8579 980.8580 702.8580 843.2581 1109.6581 1529.6582 912.8582 981.6583 457.6583 568.8584 1809.6584 1859.2585 84.3585 2979.2593 53.6593 896597 88.7597 <26.7601 37.9601 657.2635 1300636 960636 2708.8638 2129.6638 4128640 1020640 1049.6641 2579.2641 6188.8694 282.4694 11596.8696 <30.45748 62748 5158.4
C-3 Risk Area 3 - Revised Final.xlsx/Table 2 Page 7 of 10
APPENDIX C-3TABLE 2
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary - Lead in Shallow Subusrafce Soil (0 to 3 feet) - All Data Sources
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)749 110749 1120750 422.4750 4358.4*751 297751 481.2752 31.9752 346753 437.2753 <37.2761 337.8761 <37.2805 70.7805 <29.7806 673.6806 <36.45807 <25.05807 <34.35808 <31.05808 <35.1809 523.2809 <31.8814 69.8814 <33.75861 30.6861 <22.8862 165.1862 <30.6863 <24863 <31.95864 842.4*864 <32.7917 36.5917 375.2918 38918 41.2919 198.1919 <35.4920 55.3920 <25.95973 35.1973 35.7974 <26.4974 <36.15975 369.4975 <25.65
C-3 Risk Area 3 - Revised Final.xlsx/Table 2 Page 8 of 10
APPENDIX C-3TABLE 2
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary - Lead in Shallow Subusrafce Soil (0 to 3 feet) - All Data Sources
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)LFR Laboratoy Data, November-December 2005105 3110247 530*248 533268 24.2324 2240355 1090*375 1640417 3020*467 1580473 3180523 460528 584*750 7590864 1550975 352*
Earth Tech XRF Data, June 2008247 (0-0.5) 193355 (0-0.5) 3990418 (0-0.5) 487473 (0-0.5) 2206636 (0-0.5) 973640 (0-0.5) 917247 (0.5-3.0) 15355 (0.5-3.0) 125418 (0.5-3.0) 56473 (0.5-3.0) 3440636 (0.5-3.0) 2392640 (0.5-3.0) 1040
C-3 Risk Area 3 - Revised Final.xlsx/Table 2 Page 9 of 10
APPENDIX C-3TABLE 2
RISK AREA 3 (MAIN RAIL YARD)Statistical Summary - Lead in Shallow Subusrafce Soil (0 to 3 feet) - All Data Sources
MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
Summary Statistics:No. of Samples (excluding Rizzo SS22) 374No. of Detects 319Frequency of Detection 85%Minimum Concentration 5Maxiumum Concentration 11,597Average Concentration 852Standard Deviation 1,310t-value 1.96695% Confidence Interval 13395% UCL on the Mean 985
MassDEP Urban Background (Fill Soil) 600CA/T 95th Percentile Urban Background 1,100Max. Concentration Above Background? YesUCLs Exceeded? Yes
Notes:1. Note that two results in a given reference cell from the LFR XRF 2005 data are for depths of 0'-0.5' and 0.5'-3' below grade.* - Duplicate sample analyzed by XRF and laboratory. Higher detected result of the duplicate analyses used in the summary statistics. Asterisk placed on result not used.mg/kg = milligrams per kilogram, which is equivalent to parts per million (ppm).UCL = Upper Confidence Limit.
C-3 Risk Area 3 - Revised Final.xlsx/Table 2 Page 10 of 10
APPENDIX C-3TABLE 3
Soil Statistical SummaryRISK AREA 3 (Main Yard area)
Deep Soil sampling (>3 feet) - LFR and Earth Tech DataMBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
LFR XRF Data, November-December 2005215 42.8259 178.7355 <35361 <33*413 <34414 <34472 405526 130.1579 980.8581 1819.2581 891.2584 77.7585 442.4635 595.6636 1600*638 7974.4640 730.8641 7776694 5427.2694 <23.4696 400.2*748 4588.8748 407749 449.3749 417.1750 592.7750 359.5753 330.4753 <29.85761 213.6917 46.8
LFR Laboratoy Data, November-December 2005361 (3-6') 2.89636 (8-11') 3350696 (3-8') 984
Earth Tech XRF Data, June 2008247 (3.0-6.0) 16418 (3.0-6.0) 25473 (3.0-6.0) 1118636 (3.0-6.0) 1371640 (3.0-6.0) 1153
C-3 Risk Area 3 - Revised Final.xlsx/Table 3 Page 1 of 2
APPENDIX C-3TABLE 3
Soil Statistical SummaryRISK AREA 3 (Main Yard area)
Deep Soil sampling (>3 feet) - LFR and Earth Tech DataMBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
Summary Statistics:No. of Samples 39No. of Detects 31Frequency of Detection 79%Minimum Concentration 2.89Maxiumum Concentration 7,974Average Concentration 1,194Standard Deviation 2,053t-value 2.02495% Confidence Interval 66595% UCL on the Mean 1,859
MassDEP Urban Background (Fill Soil) 600CA/T 95th Percentile Urban Background 1,100Max. Concentration Above Background? YesUCL of 6,000 ppm Exceeded? Yes
Notes:* - Duplicate sample analyzed by XRF and laboratory. Higher detected result of the duplicate analyses used in the summary statistics. Asterisk placed on result not used.mg/kg = milligrams per kilogram, which is equivalent to parts per million (ppm).UCL = Upper Confidence Limit.
C-3 Risk Area 3 - Revised Final.xlsx/Table 3 Page 2 of 2
APP
EN
DIX
C-3
TA
BL
E 4
RIS
K A
RE
A 3
- M
AIN
RA
IL Y
AR
DSo
il St
atis
tical
Sum
mar
y - M
etal
s, E
PH P
aram
eter
s and
PA
Hs i
n Su
rfac
e So
il (0
to 6
inch
es)
MB
TA
Rea
dvill
e 5
Yar
d, D
edha
m, M
A.
WSE
, 200
2 PH
ASE
II
BL
/SS-
4/0-
6"B
L/S
S-5/
0-6"
BL
/SS-
6/0-
6"B
L/S
S-7/
0-6"
BL
/SS-
8/0-
6"10
5 (K
-S1)
/0-6
"24
7-S1
/0-6
"24
7-S4
/0-6
"24
8-S1
/0-6
"32
4 (G
-S1)
/0-6
"35
5-S4
/0-6
"37
5 (F
-S1)
/0-6
"41
7-S1
/0-6
"46
7-S1
/0-6
"47
3-S1
/0-6
"97
5-S1
/0-6
"
Uni
ts29
-JU
L-0
229
-JU
L-0
229
-JU
L-0
229
-JU
L-0
229
-JU
L-0
213
-Dec
-05
23-N
ov-0
523
-Nov
-05
23-N
ov-0
513
-Dec
-05
28-N
ov-0
513
-Dec
-05
28-N
ov-0
529
-Nov
-05
28-N
ov-0
57-
Dec
-05
Tot
al M
etal
sA
ntim
ony
mg/
kg4.
339
89.
21.05
--
--
--
--
--
-A
rsen
icm
g/kg
6.6
3269
184.
815
.125
3.0
17.3
28.9
45.3
154
33.8
11.4
17.7
8.6
7.3
Bar
ium
mg/
kg22
420
170
3514
219
59.7
7186
225
335
142
466
133
301
117
Chr
omiu
mm
g/kg
1270
7916
1940
.917
.317
.519
.859
.010
.551
.661
.740
.546
.916
.3C
obal
tm
g/kg
46.
95.
14.
62.
6-
--
--
--
--
--
Cop
per
mg/
kg38
280
290
6829
--
--
--
--
--
-Le
adm
g/kg
--
--
--
--
--
--
--
--
Nic
kel
mg/
kg7.
815
1411
12-
--
--
--
--
--
Zinc
mg/
kg46
670
1,10
089
99-
--
--
--
--
--
EPH
C9-
C18
Alip
hatic
sm
g/kg
5.5
55.3
13.4
18.9
5.2
--
--
--
--
--
-C
19-C
36 A
lipha
tics
mg/
kg31
.525
757
.913
234
8-
--
--
--
--
--
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kg87
.925
810
421
633
4-
--
--
--
--
--
C11
-C22
Aro
mat
ics,
Adj
uste
dm
g/kg
8121
693
.317
833
0-
--
--
--
--
--
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
0.275
0.291
0.298
0.272
0.261
--
--
--
--
--
-2-
Met
hyln
apht
hale
nem
g/kg
0.275
0.94
50.298
0.272
0.261
--
--
--
--
--
-A
cena
phth
ylen
em
g/kg
0.275
0.291
0.298
0.73
30.261
--
--
--
--
--
-A
cena
pthe
nem
g/kg
0.275
0.291
0.298
0.272
0.261
--
--
--
--
--
-A
nthr
acen
em
g/kg
0.275
1.16
0.298
0.66
70.261
--
--
--
--
--
-Fl
uore
nem
g/kg
0.275
0.291
0.298
0.272
0.261
--
--
--
--
--
-Ph
enan
thre
nem
g/kg
0.275
5.42
0.75
33.
930.261
--
--
--
--
--
-Fl
uora
nthe
nem
g/kg
1.22
6.97
1.76
5.55
0.77
7-
--
--
--
--
--
Pyre
nem
g/kg
0.99
56.
351.
493.
930.
680
--
--
--
--
--
-B
enzo
(g,h
,i)pe
ryle
nem
g/kg
0.275
2.44
0.298
3.61
0.64
0-
--
--
--
--
--
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
0.64
92.
590.
966
2.47
0.261
--
--
--
--
--
-C
hrys
ene
mg/
kg1.
053.
421.
263.
130.
629
--
--
--
--
--
-B
enzo
(b)f
luor
anth
ene
mg/
kg1.
152.
961.
364.
410.
895
--
--
--
--
--
-B
enzo
(k)f
luor
anth
ene
mg/
kg1.
164.
841.
763.
940.
756
--
--
--
--
--
-B
enzo
(a)p
yren
em
g/kg
0.63
42.
550.
849
1.86
0.261
--
--
--
--
--
-In
deno
(1,2
,3-c
d)Py
rene
mg/
kg0.275
2.18
0.70
41.
460.261
--
--
--
--
--
-D
iben
zo(a
,h)a
nthr
acen
em
g/kg
0.275
0.88
60.298
1.42
0.261
--
--
--
--
--
-
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
LFR
, Dec
embe
r 20
05
Para
met
ers
C-3
Ris
k A
rea
3 - R
evis
ed F
inal
.xls
x/Ta
ble
4Pa
ge 1
of 2
Uni
tsT
otal
Met
als
Ant
imon
ym
g/kg
Ars
enic
mg/
kgB
ariu
mm
g/kg
Chr
omiu
mm
g/kg
Cob
alt
mg/
kgC
oppe
rm
g/kg
Lead
mg/
kgN
icke
lm
g/kg
Zinc
mg/
kg
EPH
C9-
C18
Alip
hatic
sm
g/kg
C19
-C36
Alip
hatic
sm
g/kg
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kgC
11-C
22 A
rom
atic
s, A
djus
ted
mg/
kg
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
2-M
ethy
lnap
htha
lene
mg/
kgA
cena
phth
ylen
em
g/kg
Ace
napt
hene
mg/
kgA
nthr
acen
em
g/kg
Fluo
rene
mg/
kgPh
enan
thre
nem
g/kg
Fluo
rant
hene
mg/
kgPy
rene
mg/
kgB
enzo
(g,h
,i)pe
ryle
nem
g/kg
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
Chr
ysen
em
g/kg
Ben
zo(b
)flu
oran
then
em
g/kg
Ben
zo(k
)flu
oran
then
em
g/kg
Ben
zo(a
)pyr
ene
mg/
kgIn
deno
(1,2
,3-c
d)Py
rene
mg/
kgD
iben
zo(a
,h)a
nthr
acen
em
g/kg
Para
met
ers
APP
EN
DIX
C-3
TA
BL
E 4
RIS
K A
RE
A 3
- M
AIN
RA
IL Y
AR
DSo
il St
atis
tical
Sum
mar
y - M
etal
s, E
PH P
aram
eter
s and
PA
Hs i
n Su
rfac
e So
il (0
to 6
inch
es)
MB
TA
Rea
dvill
e 5
Yar
d, D
edha
m, M
A.
Sum
mar
y St
atis
tics
Min
Max
Ave
rage
54
80%
4.3
3912
3133
7Y
es3
Yes
1616
100%
4.8
253
4581
179
20Y
es7
Yes
1616
100%
1446
617
625
143
250
Yes
13Y
es16
1610
0%12
7936
48.3
7240
Yes
8Y
es5
510
0%2.
67
56.
67
4Y
es3
Yes
55
100%
2929
014
130
528
820
0Y
es2
Yes
--
--
--
--
600
--
-5
510
0%7.
815
1215
.515
30N
o0
No
55
100%
4611
0040
198
210
1430
0Y
es2
Yes
53
60%
13.4
5520
4548
NA
--
Yes
56
120%
31.5
348
165
332
330
NA
--
Yes
56
120%
87.9
334
200
329
319
NA
--
-5
612
0%81
330
180
306
307
NA
--
Yes
50
0%N
DN
DN
DN
DN
D1
No
0N
o5
120
%0.
945
0.94
50.
410
0.8
0.8
1N
o0
No
51
20%
0.73
30.
733
0.37
10.
60.
61
No
0N
o5
00%
ND
ND
ND
ND
ND
2N
o0
No
52
40%
0.66
71.
160
0.53
21.
01.
14
No
0N
o5
00%
ND
ND
ND
ND
ND
2N
o0
No
53
60%
0.75
35.
420
2.12
85.
15.
120
No
0N
o5
510
0%0.
777
6.97
03.
255
6.7
6.7
10N
o0
No
55
100%
0.68
06.
350
2.68
95.
75.
920
No
0N
o5
360
%0.
640
3.61
01.
452
3.3
3.4
3Y
es1
Yes
54
80%
0.64
92.
590
1.38
72.
72.
69
No
0N
o5
510
0%0.
629
3.42
01.
898
3.5
3.4
7N
o0
No
55
100%
0.89
54.
410
2.15
54.
04.
18
No
0N
o5
510
0%0.
756
4.84
02.
491
4.7
4.7
4Y
es1
Yes
54
80%
0.63
42.
550
1.23
12.
42.
47
No
0N
o5
360
%0.
704
2.18
00.
976
2.0
2.0
3N
o0
No
52
40%
0.88
61.
420
0.62
81.
31.
31
Yes
1Y
es
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
No.
of
sam
ples
No.
of
Det
ects
Freq
uenc
y of
D
etec
tion
Upp
er 9
5%
UC
L o
f Mea
n
Mas
sDE
P U
rban
B
ackg
roun
dC
once
ntra
tion
(Fill
Soi
l C
onta
inin
g A
sh)
Site
Max
imum
D
etec
ted
Con
cent
ratio
nA
bove
Bac
kgro
und?
Ret
aine
d A
s C
OC
?95
thPe
rcen
tile
Num
ber
Sam
ples
A
bove
Urb
an
Bac
kgro
und
C-3
Ris
k A
rea
3 - R
evis
ed F
inal
.xls
x/Ta
ble
4Pa
ge 2
of 2
APP
EN
DIX
C-3
TA
BL
E 5
RIS
K A
RE
A 3
- M
AIN
RA
IL Y
AR
DSo
il St
atis
tical
Sum
mar
ySh
allo
w S
ubsu
rfac
e So
il (0
to 3
feet
) - F
ILL
UN
IT -
AL
L D
AT
A (E
xclu
ding
HB
/GP-
24/2
-4')
MB
TA
Rea
dvill
e 5
Yar
d, D
edha
m, M
A.
Dra
inag
e D
itch
Loc
atio
nsSt
agin
g A
rea
His
tori
cB
uild
ing
Loc
atio
nB
asel
ine
Con
ditio
ns L
ocat
ions
Cen
ter
Lin
e L
ocat
ions
SA/G
P-39
DD
/HA
-1D
D/H
A-2
DD
/HA
-3D
D/H
A-4
SA/G
P-17
SA/G
P-40
HB
/GP-
26B
L/S
S-4/
0-6"
BL
/SS-
5/0-
6"B
L/S
S-6/
0-6"
BL
/SS-
7/0-
6"B
L/S
S-8/
0-6"
CL
/GP-
20C
L/G
P-21
CL
/GP-
22U
nits
0 to
20
to 1
0 to
1.5
0 to
1.5
0 to
1.5
2 to
42
to 4
2 to
46/
29/0
26/
29/0
26/
29/0
26/
29/0
26/
29/0
22
to 4
2 to
42
to 4
Tot
al M
etal
sA
ntim
ony
mg/
kg20
383.
21.1
5.3
11.05
9.1
4.3
398
9.2
1.05
8436
1.05
Ars
enic
mg/
kg5.
713
4.9
4.6
8.6
3.1
2.4
9.7
6.6
3269
184.
825
352.
1B
ariu
mm
g/kg
6926
024
2324
3717
6122
420
170
3514
150
9712
Chr
omiu
mm
g/kg
1329
9.8
1111
9.4
1113
1270
7916
1930
168.
1C
obal
tm
g/kg
4.5
104.
25.
24.
75.
54.
44.
64
6.9
5.1
4.6
2.6
1112
4.1
Cop
per
mg/
kg70
074
040
2144
2016
6238
280
290
6829
3,20
03,
800
18Le
adm
g/kg
--
--
--
--
--
--
--
--
Nic
kel
mg/
kg11
327.
38.
48.
59.7
79.
27.
815
1411
1250
246.
2Zi
ncm
g/kg
210
1400
6041
6844
3212
046
670
1,10
089
9964
019
023
EPH
C9-
C18
Alip
hatic
sm
g/kg
5.6
5.6
5.5
5.55
5.6
5.2
5.2
6.25
355
.313
.418
.95.2
58.9
14.1
5.25
C19
-C36
Alip
hatic
sm
g/kg
47.6
65.7
30.2
13.6
19.9
5.2
5.2
35.2
31.5
257
57.9
132
348
133
96.6
5.25
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kg74
.780
.442
.941
.799
.618
.15.2
82.1
87.9
258
104
216
334
295
204
5.25
C11
-C22
Aro
mat
ics,
Adj
uste
dm
g/kg
71.4
74.8
40.3
38.9
83.2
16.8
5.2
80.8
8121
693
.317
833
027
916
95.25
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
0.281
0.281
0.2745
0.278
0.281
0.2605
0.261
0.3125
0.275
0.291
0.298
0.272
0.261
0.59
0.301
0.263
2-M
ethy
lnap
htha
lene
mg/
kg0.281
0.281
0.2745
0.278
0.281
0.2605
0.261
0.3125
0.275
0.94
50.298
0.272
0.261
1.35
0.301
0.263
Ace
naph
thyl
ene
mg/
kg0.281
0.281
0.2745
0.278
0.281
0.2605
0.261
0.3125
0.275
0.291
0.298
0.73
30.261
0.59
0.301
0.263
Ace
napt
hene
mg/
kg0.281
0.281
0.2745
0.278
0.281
0.2605
0.261
0.3125
0.275
0.291
0.298
0.272
0.261
0.59
0.301
0.263
Ant
hrac
ene
mg/
kg0.281
0.281
0.2745
0.278
0.281
0.2605
0.261
0.3125
0.275
1.16
0.298
0.66
70.261
0.59
0.301
0.263
Fluo
rene
mg/
kg0.281
0.281
0.2745
0.278
0.281
0.2605
0.261
0.3125
0.275
0.291
0.298
0.272
0.261
0.59
0.301
0.263
Phen
anth
rene
mg/
kg0.
2895
0.281
0.2745
0.278
0.82
60.2605
0.261
0.3125
0.275
5.42
0.75
33.
930.261
1.84
4.95
0.263
Fluo
rant
hene
mg/
kg0.
861
1.13
0.68
90.
854
2.43
0.69
0.261
0.3125
1.22
6.97
1.76
5.55
0.77
71.
665.
910.263
Pyre
nem
g/kg
0.71
51
0.60
20.
757
1.9
0.55
90.261
0.3125
0.99
56.
351.
493.
930.
680
1.31
5.39
0.263
Ben
zo(g
,h,i)
pery
lene
mg/
kg0.281
0.281
0.2745
0.278
1.24
0.2605
0.261
0.3125
0.275
2.44
0.298
3.61
0.64
00.59
1.18
0.263
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
0.281
0.28
70.2745
0.278
1.05
0.2605
0.261
0.3125
0.64
92.
590.
966
2.47
0.261
1.74
3.01
0.263
Chr
ysen
em
g/kg
0.281
0.76
0.2745
0.278
1.51
0.2605
0.261
0.3125
1.05
3.42
1.26
3.13
0.62
91.
963.
280.263
Ben
zo(b
)flu
oran
then
em
g/kg
0.57
10.
861
0.66
10.
574
1.57
0.2605
0.261
0.3125
1.15
2.96
1.36
4.41
0.89
52.
53.
70.263
Ben
zo(k
)flu
oran
then
em
g/kg
0.57
61.
270.
653
0.55
62.
030.2605
0.261
0.3125
1.16
4.84
1.76
3.94
0.75
62.
263.
580.263
Ben
zo(a
)pyr
ene
mg/
kg0.281
0.281
0.2745
0.278
0.91
30.2605
0.261
0.3125
0.63
42.
550.
849
1.86
0.261
1.53
2.41
0.263
Inde
no(1
,2,3
-cd)
Pyre
nem
g/kg
0.281
0.281
0.2745
0.278
0.81
70.2605
0.261
0.3125
0.275
2.18
0.70
41.
460.261
0.59
1.55
0.263
Dib
enzo
(a,h
)ant
hrac
ene
mg/
kg0.281
0.281
0.2745
0.278
2.09
0.2605
0.261
0.3125
0.275
0.88
60.298
1.42
0.261
0.59
0.301
0.263
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
Para
met
ers
C-3
Ris
k A
rea
3 - R
evis
ed F
inal
.xls
x/Ta
ble
5Pa
ge 1
of 3
Uni
tsT
otal
Met
als
Ant
imon
ym
g/kg
Ars
enic
mg/
kgB
ariu
mm
g/kg
Chr
omiu
mm
g/kg
Cob
alt
mg/
kgC
oppe
rm
g/kg
Lead
mg/
kgN
icke
lm
g/kg
Zinc
mg/
kg
EPH
C9-
C18
Alip
hatic
sm
g/kg
C19
-C36
Alip
hatic
sm
g/kg
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kgC
11-C
22 A
rom
atic
s, A
djus
ted
mg/
kg
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
2-M
ethy
lnap
htha
lene
mg/
kgA
cena
phth
ylen
em
g/kg
Ace
napt
hene
mg/
kgA
nthr
acen
em
g/kg
Fluo
rene
mg/
kgPh
enan
thre
nem
g/kg
Fluo
rant
hene
mg/
kgPy
rene
mg/
kgB
enzo
(g,h
,i)pe
ryle
nem
g/kg
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
Chr
ysen
em
g/kg
Ben
zo(b
)flu
oran
then
em
g/kg
Ben
zo(k
)flu
oran
then
em
g/kg
Ben
zo(a
)pyr
ene
mg/
kgIn
deno
(1,2
,3-c
d)Py
rene
mg/
kgD
iben
zo(a
,h)a
nthr
acen
em
g/kg
Para
met
ers
APP
EN
DIX
C-3
TA
BL
E 5
RIS
K A
RE
A 3
- M
AIN
RA
IL Y
AR
DSo
il St
atis
tical
Sum
mar
ySh
allo
w S
ubsu
rfac
e So
il (0
to 3
feet
) - F
ILL
UN
IT -
AL
L D
AT
A (E
xclu
ding
HB
/GP-
24/2
-4')
MB
TA
Rea
dvill
e 5
Yar
d, D
edha
m, M
A.
LFR
, Dec
embe
r 20
05
404-
S1/6
"-2'
1132
-S1/
6"-3
'26
8 (H
-S1)
/6"-
3'34
7-S1
/6"-
3'46
3-S1
/6"-
3'46
5-S1
/6"-
3'52
3-S1
/6"-
3'52
8-S1
/6"-
3'69
4-S1
/6"-
3'80
0-S1
/6"-
3'86
4-S1
/6"-
3'12
/02/
0512
/08/
0512
/13/
0511
/30/
0512
/05/
0512
/07/
0511
/29/
0511
/29/
0512
/01/
0512
/12/
0512
/07/
05
--
--
--
--
--
-66
.618
.22.9
2.7
2.6
2.7
2.6
5.82
41.8
27.1
8.48
113
18.6
26.3
26.8
37.7
036
669
.912
23,
670
1,23
012
118
.50
8.83
12.6
10.5
9.54
26.2
15.9
14.8
118
85.2
22.8
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
C-3
Ris
k A
rea
3 - R
evis
ed F
inal
.xls
x/Ta
ble
5Pa
ge 2
of 3
Uni
tsT
otal
Met
als
Ant
imon
ym
g/kg
Ars
enic
mg/
kgB
ariu
mm
g/kg
Chr
omiu
mm
g/kg
Cob
alt
mg/
kgC
oppe
rm
g/kg
Lead
mg/
kgN
icke
lm
g/kg
Zinc
mg/
kg
EPH
C9-
C18
Alip
hatic
sm
g/kg
C19
-C36
Alip
hatic
sm
g/kg
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kgC
11-C
22 A
rom
atic
s, A
djus
ted
mg/
kg
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
2-M
ethy
lnap
htha
lene
mg/
kgA
cena
phth
ylen
em
g/kg
Ace
napt
hene
mg/
kgA
nthr
acen
em
g/kg
Fluo
rene
mg/
kgPh
enan
thre
nem
g/kg
Fluo
rant
hene
mg/
kgPy
rene
mg/
kgB
enzo
(g,h
,i)pe
ryle
nem
g/kg
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
Chr
ysen
em
g/kg
Ben
zo(b
)flu
oran
then
em
g/kg
Ben
zo(k
)flu
oran
then
em
g/kg
Ben
zo(a
)pyr
ene
mg/
kgIn
deno
(1,2
,3-c
d)Py
rene
mg/
kgD
iben
zo(a
,h)a
nthr
acen
em
g/kg
Para
met
ers
APP
EN
DIX
C-3
TA
BL
E 5
RIS
K A
RE
A 3
- M
AIN
RA
IL Y
AR
DSo
il St
atis
tical
Sum
mar
ySh
allo
w S
ubsu
rfac
e So
il (0
to 3
feet
) - F
ILL
UN
IT -
AL
L D
AT
A (E
xclu
ding
HB
/GP-
24/2
-4')
MB
TA
Rea
dvill
e 5
Yar
d, D
edha
m, M
A.
Sum
mar
y St
atis
tics
No.
of
No.
of
95th
Sam
ples
Det
ects
Min
Max
Mea
nPe
rcen
tile
1612
75%
3.2
8416
2850
.37
Yes
8Y
es27
2281
%2.
1069
1623
59.2
20Y
es7
Yes
2727
100%
123,
670
268
554
987.
050
Yes
14Y
es27
2710
0%8.
111
826
3783
.340
Yes
4Y
es16
1169
%2.
612
67
11.3
4Y
es14
Yes
1611
69%
163,
800
585
1,20
73,
350.
020
0Y
es6
Yes
--
--
--
--
600
--
-16
1169
%6.
250
1521
36.5
30Y
es2
Yes
1611
69%
231,
400
302
528
1,17
530
0Y
es4
Yes
162
13%
359
1423
56N
A-
-Y
es16
850
%13
.634
880
132
280
NA
--
Yes
169
56%
18.1
334
122
178
305
NA
--
-16
956
%16
.833
011
016
229
2N
A-
-Y
es
160
0%N
DN
DN
DN
DN
D1
ND
0N
D16
213
%0.
945
1.35
00.
387
0.6
1.0
1Y
es1
Yes
161
6%0.
733
0.73
30.
327
0.4
0.6
1N
o0
No
160
0%N
DN
DN
DN
DN
D2
ND
0N
D16
213
%0.
667
1.16
00.
378
0.5
0.8
4N
o0
No
160
0%N
DN
DN
DN
DN
D2
ND
0N
D16
744
%0.
290
5.42
01.
280
2.2
5.1
20N
o0
No
1613
81%
0.68
96.
970
1.95
93.
16.
210
No
0N
o16
1381
%0.
559
6.35
01.
657
2.7
5.6
20N
o0
No
165
31%
0.64
03.
610
0.78
01.
32.
73
Yes
1Y
es
168
50%
0.28
73.
010
0.93
51.
52.
79
No
0N
o16
956
%0.
629
3.42
01.
183
1.8
3.3
7N
o0
No
1612
75%
0.57
14.
410
1.39
42.
13.
98
No
0N
o16
1275
%0.
756
4.84
01.
530
2.3
4.2
4Y
es1
Yes
167
44%
0.63
42.
550
0.82
61.
32.
47
No
0N
o16
531
%0.
704
2.18
00.
628
0.9
1.7
3N
o0
No
163
19%
0.88
62.
090
0.52
10.
81.
61
Yes
2Y
es
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
Freq
uenc
yof
Det
ectio
nR
etai
ned
As C
OC
?
Mas
sDE
PU
rban
Bac
kgro
und
Con
cent
ratio
n(F
ill S
oil
Con
tain
ing
Ash
)
Site
Max
imum
D
etec
ted
Con
cent
ratio
nA
bove
Bac
kgro
und?
Upp
er 9
5%
UC
L o
f M
ean
Num
ber
Sam
ples
Abo
ve U
rban
B
ackg
roun
d
C-3
Ris
k A
rea
3 - R
evis
ed F
inal
.xls
x/Ta
ble
5Pa
ge 3
of 3
APP
EN
DIX
C-3
TA
BL
E 6
RIS
K A
RE
A 3
- M
AIN
RA
IL Y
AR
DSo
il St
atis
tical
Sum
mar
yD
eep
Subs
urfa
ce S
oil (
>3 fe
et) A
LL
DA
TA
(Exc
ludi
ng S
A/G
P-44
9-1
1')
MB
TA
Rea
dvill
e 5
Yar
d, D
edha
m, M
A.
Stag
ing
Are
a (F
ill U
nit)
Stag
ing
Are
a (N
ativ
e So
il)H
isto
rica
l Bui
ldin
g L
ocat
ions
(Fill
Uni
t)
SA/G
P-17
SA/G
P-19
SA/G
P-40
SA/G
P-40
SA/G
P-41
SA/G
P-41
SA/G
P-42
SA/G
P-17
SA/G
P-18
/GP(
DU
P)SA
/GP-
18SA
/GP-
19SA
/GP-
40/(D
UP)
SA/G
P-42
SA/G
P-46
SA/G
P-46
SA/G
P-47
SA/G
P-47
SA/M
W-1
05D
SA/M
W-1
05D
P/M
W-1
09P/
MW
-110
/(DU
P)P/
MW
-111
HB
/GP-
24H
B/G
P-25
HB
/GP-
25H
B/G
P-26
HB
/GP-
46U
nits
2 to
46
to 8
2 to
48
to 1
04
to 8
10 to
12
4 to
810
to 1
212
to 1
414
to 1
6 8
to 1
210
to 1
210
to 1
28
to 1
010
to 1
212
to 1
414
to 1
62
to 4
10 to
12
12 to
14
12 to
14
12 to
14
4 to
64
to 8
10 to
12
2 to
44
to 8
Tot
al M
etal
sA
ntim
ony
mg/
kg1
1.05
1.05
131
110
01.2
1.2
1.2
1.2
1.2
1.1
1.3
1.2
1.2
1.2
1.05
1.05
1.05
1.1
11
1.05
1.05
9.1
4.8
Ars
enic
mg/
kg3.
12
2.4
219
239
1.8
1.9
1.8
1.8
2.1
1.7
1.9
2.1
1.7
1.8
1.9
21.
71.
61.
91.
92.
21.
69.
74.
2B
ariu
mm
g/kg
3717
1724
300
2420
015
1716
1418
2028
1520
1217
2321
2122
1729
1561
27C
hrom
ium
mg/
kg9.
47.
211
1043
7.5
665.
26.
36.
25.
36.
45.
46.
65.
36.
25.
35.
78.
69.
36
115.
87.
64.
813
7.6
Cob
alt
mg/
kg5.
54.
14.
45.
111
4.2
123.
53.
83.
73.
43.
93.
94
3.1
3.5
3.5
3.8
4.1
4.6
3.4
3.8
44.
13.
24.
64.
3C
oppe
rm
g/kg
2016
1628
1,10
016
630
7.6
8.2
8.1
77.
822
107.
37.
66.
710
1213
9.8
1113
199.
662
47Le
adm
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
-N
icke
lm
g/kg
9.7
6.1
78.
429
06.
234
5.1
5.9
6.2
5.1
6.2
75.
85
5.2
4.8
5.9
6.6
6.4
5.1
8.2
5.5
7.7
5.3
9.2
6.8
Zinc
mg/
kg44
2832
3815
0028
2200
1112
1330
1980
1611
1211
1517
2015
1616
3558
120
51
EPH
C9-
C18
Alip
hatic
sm
g/kg
5.2
5.4
5.3
5.2
155.1
6.6
6.15
6.15
66
6.1
5.5
49.6
6.25
65.95
5.45
5.25
5.25
5.45
5.15
5.1
5.4
5.25
6.25
5.2
C19
-C36
Alip
hatic
sm
g/kg
5.2
5.4
5.3
5.2
317
5.1
58.9
6.15
6.15
66
6.1
5.5
36.1
6.25
65.95
5.45
5.25
5.25
5.45
5.15
49.2
5.4
5.25
35.2
22.9
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kg18
.15.4
5.3
5.2
244
5.1
27.1
6.15
6.15
66
6.1
5.5
45.3
6.25
65.95
5.45
5.25
5.25
5.45
5.15
5.1
5.4
5.25
82.1
45.2
C11
-C22
Aro
mat
ics,
Adj
uste
dm
g/kg
16.8
5.4
5.3
5.2
236
5.1
27.1
6.15
6.15
66
6.1
5.5
45.3
6.25
65.95
5.45
5.25
5.25
5.45
5.15
5.1
5.4
5.25
80.8
43.4
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
0.261
0.269
0.266
0.261
0.278
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
2-M
ethy
lnap
htha
lene
mg/
kg0.261
0.269
0.266
0.261
0.278
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Ace
naph
thyl
ene
mg/
kg0.261
0.269
0.266
0.261
0.278
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Ace
napt
hene
mg/
kg0.261
0.269
0.266
0.261
0.278
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Ant
hrac
ene
mg/
kg0.261
0.269
0.266
0.261
0.278
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Fluo
rene
mg/
kg0.261
0.269
0.266
0.261
0.278
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Phen
anth
rene
mg/
kg0.261
0.269
0.266
0.261
1.11
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Fluo
rant
hene
mg/
kg0.
690
0.269
0.266
0.261
1.77
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.63
20.261
Pyre
nem
g/kg
0.55
90.269
0.266
0.261
1.3
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Ben
zo(g
,h,i)
pery
lene
mg/
kg0.261
0.269
0.266
0.261
0.278
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
0.261
0.269
0.266
0.261
0.68
60.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Chr
ysen
em
g/kg
0.261
0.269
0.266
0.261
0.82
10.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.66
00.261
Ben
zo(b
)flu
oran
then
em
g/kg
0.261
0.269
0.266
0.261
0.74
30.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Ben
zo(k
)flu
oran
then
em
g/kg
0.261
0.269
0.266
0.261
0.74
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Ben
zo(a
)pyr
ene
mg/
kg0.261
0.269
0.266
0.261
0.58
20.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Inde
no(1
,2,3
-cd)
Pyre
nem
g/kg
0.261
0.269
0.266
0.261
0.278
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
Dib
enzo
(a,h
)ant
hrac
ene
mg/
kg0.261
0.269
0.266
0.261
0.278
0.255
0.329
0.309
0.309
0.301
0.301
0.305
0.275
0.329
0.313
0.301
0.298
0.272
0.263
0.263
0.272
0.258
0.255
0.269
0.263
0.313
0.261
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
Para
met
ers
C-3
Ris
k A
rea
3 - R
evis
ed F
inal
.xls
x/Ta
ble
6Pa
ge 1
of 2
Uni
tsT
otal
Met
als
Ant
imon
ym
g/kg
Ars
enic
mg/
kgB
ariu
mm
g/kg
Chr
omiu
mm
g/kg
Cob
alt
mg/
kgC
oppe
rm
g/kg
Lead
mg/
kgN
icke
lm
g/kg
Zinc
mg/
kg
EPH
C9-
C18
Alip
hatic
sm
g/kg
C19
-C36
Alip
hatic
sm
g/kg
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kgC
11-C
22 A
rom
atic
s, A
djus
ted
mg/
kg
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
2-M
ethy
lnap
htha
lene
mg/
kgA
cena
phth
ylen
em
g/kg
Ace
napt
hene
mg/
kgA
nthr
acen
em
g/kg
Fluo
rene
mg/
kgPh
enan
thre
nem
g/kg
Fluo
rant
hene
mg/
kgPy
rene
mg/
kgB
enzo
(g,h
,i)pe
ryle
nem
g/kg
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
Chr
ysen
em
g/kg
Ben
zo(b
)flu
oran
then
em
g/kg
Ben
zo(k
)flu
oran
then
em
g/kg
Ben
zo(a
)pyr
ene
mg/
kgIn
deno
(1,2
,3-c
d)Py
rene
mg/
kgD
iben
zo(a
,h)a
nthr
acen
em
g/kg
Para
met
ers
APP
EN
DIX
C-3
TA
BL
E 6
RIS
K A
RE
A 3
- M
AIN
RA
IL Y
AR
DSo
il St
atis
tical
Sum
mar
yD
eep
Subs
urfa
ce S
oil (
>3 fe
et) A
LL
DA
TA
(Exc
ludi
ng S
A/G
P-44
9-1
1')
MB
TA
Rea
dvill
e 5
Yar
d, D
edha
m, M
A.
His
tori
cal B
uild
ing
Loc
atio
ns
(Nat
ive
Soil)
Sum
mar
y St
atis
tics
CL
/GP-
22C
L/G
P-23
CL
/GP-
23H
B/G
P-45
HB
/GP-
45H
B/G
P-46
CL
/GP-
20C
L/G
P-21
CL
/GP-
2236
1-S1
/3-6
'69
6-S1
/3-8
'63
6-S1
/8-1
1'N
o. o
fN
o. o
f 95
th2
to 4
4 to
810
to 1
28
to 1
010
to 1
214
to 1
612
to 1
612
to 1
68
to 1
211
/28/
0512
/05/
0511
/29/
05Sa
mpl
esD
etec
tM
inM
axA
vera
get-
valu
ePe
rcen
tile
1.05
1.25
11.35
1.1
1.2
1.2
1.2
1.1
--
-36
411
%4.
810
05.
017
.12.
030
610
.814
.67
Yes
3Y
es2.
14.
51.
44.
60.
921.
11.
83
2.3
2.6
17.3
20.2
3938
97%
0.92
394.
67.
32.
024
27.
019
.120
Yes
2Y
es12
3721
3913
1412
2216
11.7
278
532
3939
100%
11.7
532
52.7
102.
82.
024
3386
.028
0.2
50Y
es5
Yes
8.1
5.7
7.3
124.
44.
85.
37.
57.
15.
9415
.366
.339
3910
0%4.
466
.311
.314
.32.
024
516
.045
.340
Yes
3Y
es4.
13.
23.
64
2.6
2.8
3.5
4.5
3.6
--
-36
3610
0%2.
612
4.3
1.9
2.03
01
4.9
6.9
4Y
es14
Yes
1825
1012
87.
69.
410
12-
--
3636
100%
6.7
1,10
062
.120
5.6
2.03
070
132
204.
020
0Y
es2
Yes
--
--
--
--
--
--
--
--
--
--
--
-60
0-
--
6.2
5.4
5.3
7.1
4.6
4.9
57.
55.
8-
--
3633
92%
4.6
290
14.9
47.4
2.03
016
30.9
15.8
30Y
es2
Yes
2312
1725
1114
1236
23-
--
3636
100%
112,
200
128.
443
2.2
2.03
014
627
4.6
465.
030
0Y
es2
Yes
5.25
145.15
6.85
5.55
66
6.1
5.45
--
-36
411
%14
507
82.
030
310
14N
A-
-Y
es5.25
47.8
5.15
6.85
5.55
66
6.1
5.45
--
-36
822
%22
.931
720
532.
030
1838
52N
A-
-Y
es5.25
67.4
5.15
6.85
5.55
66
6.1
5.45
--
-36
822
%27
.124
419
432.
030
1434
71N
A-
--
5.25
67.4
5.15
6.85
5.55
66
6.1
5.45
--
-36
822
%27
.123
619
412.
030
1433
71N
A-
-Y
es
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
00%
ND
ND
ND
ND
ND
ND
ND
ND
1N
D0
ND
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
00%
ND
ND
ND
ND
ND
ND
ND
ND
1N
D0
ND
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
00%
ND
ND
ND
ND
ND
ND
ND
ND
1N
D0
ND
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
00%
ND
ND
ND
ND
ND
ND
ND
ND
2N
D0
ND
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
00%
ND
ND
ND
ND
ND
ND
ND
ND
4N
D0
ND
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
00%
ND
ND
ND
ND
ND
ND
ND
ND
2N
D0
ND
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
13%
1.11
1.11
0.30
90.
140
2.03
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0.4
0.3
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0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
38%
0.63
21.
770
0.34
80.
260
2.03
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088
0.4
0.6
10N
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0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
26%
0.55
91.
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0.32
20.
175
2.03
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0.4
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0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
00%
ND
ND
ND
ND
ND
ND
ND
ND
3N
D0
ND
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
13%
0.68
60.
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0.29
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2.03
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0.3
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0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
26%
0.66
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0.31
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2.03
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0.3
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No
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
13%
0.74
30.
743
0.29
80.
080
2.03
00.
027
0.3
0.3
8N
o0
No
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
13%
0.74
0.74
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298
0.08
02.
030
0.02
70.
30.
34
No
0N
o0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
13%
0.58
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582
0.29
40.
055
2.03
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0.3
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0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
00%
ND
ND
ND
ND
ND
ND
ND
ND
3N
D0
ND
0.263
0.317
0.258
0.343
0.278
0.301
0.301
0.305
0.272
--
-36
00%
ND
ND
ND
ND
ND
ND
ND
ND
1N
D0
ND
NO
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APPENDIX C-4TABLE 1
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Surficial Soil (0 to 6 inches bgs) - All Data Sources (Excluding Hot Spots)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)WSE, Phase II, 2002:BC/SS-1/0-6" (24-JUL-02) 190BC/SS-2/0-6"(24-JUL-02) 580BC/SS-3/0-6"(24-JUL-02) 820
Rizzo, IH Data, 2000:SS02 Readville 590SS03 Readville 580SS04 Readville 9,600SS05 Readville 2,800SS06 Readville 92SS07 Readville 64SS08 Readville 1,200SS09 Readville 6,500SS10 Readville 46SS11 Readville 970SS12 Readville 3,500SS13 Readville 5,500SS14 Readville 610SS15 Readville 500SS16 Readville 410SS17 Readville 2,200SS18 Readville 180SS19 Readville 9,100SS20 Readville 5,100SS24 Readville 760SS25 Readville 570SS26 Readville 570SS27 Readville 410
DEP IH 2002 XRF Lead Screening DataRow C 2400 195Row C 2450 213Row C 2500 221Row C 2550 200Row C 2600 293Row C 2650 323Row C 2700 234Row C 2750 233Row C 2800 253Row C 2850 280Row C 2900 223Row C 2950 232Row C 3000 290Row C 3050 236Row C 3100 143Row D/E 2400 161Row D/E 2500 198Row D/E 2600 274Row D/E 2700 343Row D/E 2800 431Row D/E 2900 336Row F 2500 763Row F 2550 909
C-4 Risk Area 4 - Revised Final.xlsx/Table 1 Page 1 of 7
APPENDIX C-4TABLE 1
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Surficial Soil (0 to 6 inches bgs) - All Data Sources (Excluding Hot Spots)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
Row F 2600 871Row F 2650 1,576Row F 2700 2,113Row F 2750 1,906Row F 2800 2,230Row F 2850 3,460Row F 2900 2,810Row F 3000 3,820Row F 3050 2,563Row F 3100 1,456Row G 2450 432Row G 2500 2,030Row G 2550 1,283Row G 2800 2,373Row G 2850 3,490Row G 2900 2,283Row G 2950 2,746Row G 3000 8,076Row G 3050 5,150Row G 3100 754Row G 3150 463Row H 2450 2,350Row H 2900 2,116Row H 2950 999Row H 3000 1,330Row H 3050 2,969Row H 3100 3,833Row H 3150 415Row I 2400 2,210Row I 2450 2,003Row I 3000 691Row I 3050 435Row I 3100 919Row I 3150 370Row J 2650 2,813Row J 2700 1,516Row J 2950 1,470Row J 3000 1,042Row J 3050 670Row J 3100 2,400Row J 3150 1,019Row K 2400 681Row K 2450 1,380Row K 2650 2,550Row K 2700 1,873Row K 2750 1,313Row K 2800 1,163Row K 2850 2,106Row K 2900 1,813Row K 3000 524Row K 3050 949Row K 3100 7,810Row K 3150 2,036Row L 2400 630
C-4 Risk Area 4 - Revised Final.xlsx/Table 1 Page 2 of 7
APPENDIX C-4TABLE 1
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Surficial Soil (0 to 6 inches bgs) - All Data Sources (Excluding Hot Spots)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
Row L 2450 718Row L 2500 880Row L 2550 1,403Row L 2600 997Row L 2650 594Row L 2700 2,230Row L 2750 982Row L 2800 670Row L 2850 431Row L 2900 406Row L 3000 305Row L 3050 1,526Row L 3100 5,100Row M 2400 484Row M 2450 559Row M 2500 1,183Row M 2550 1,473Row M 2600 1,216Row M 2650 1,029Row M 2700 1,556Row M 2750 615Row M 3000 782Row M 3050 3,110Row M 3100 2,310Row M 3150 415Row N 2400 363Row N 2450 631Row N 2500 616Row N 2550 980Row N 2600 1,823Row N 2650 1,490Row N 2700 759Row N 2750 309Row N 2900 212Row N 2950 252Row N 3000 3,166Row N 3050 676Row O 2400 945Row O 2500 729Row O 2550 916Row O 2600 875Row O 2650 1,370Row O 2700 519Row O 2750 171Row O 2800 266Row O 2850 271Row O 2900 309Row P 2400 649Row P 2450 945Row P 2500 906Row P 2550 779Row Q 2400 330Row Q 2450 272Row Q 2500 505
C-4 Risk Area 4 - Revised Final.xlsx/Table 1 Page 3 of 7
APPENDIX C-4TABLE 1
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Surficial Soil (0 to 6 inches bgs) - All Data Sources (Excluding Hot Spots)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
Row Q 2550 513Row Q 2600 849Row Q 2700 714Row Q 2750 850Row Q 2800 726Row Q 2850 306Row Q 2900 190Row Q 2950 87Row R 2400 223Row R 2450 294Row R 2500 242Row R 2550 208Row R 2600 354Row R 2650 327Row R 2700 288Row R 2750 282Row R 2800 192Row R 2850 297Row S 2400 335Row S 2450 130Row S 2500 263Row S 2550 140Row S 2600 92Row S 2650 139Row S 2700 90Row S 2750 276Row S 2800 203
LFR XRF Data, November-December 2005240 153.6242 347.4292 267.4*293 136.5294 220.8295 174.1296 202.1297 3200*298 172.7346 400.2347 <26.7348 214349 268350 104.6351 837.6354 <25.2401 114.9402 188.5403 352.6404 440.4405 818406 590.4407 422410 527.2*457 352.6458 522.8459 825.6462 397.8463 973.6465 769.6466 774512 200
C-4 Risk Area 4 - Revised Final.xlsx/Table 1 Page 4 of 7
APPENDIX C-4TABLE 1
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Surficial Soil (0 to 6 inches bgs) - All Data Sources (Excluding Hot Spots)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)513 242.2514 544.8515 333.8516 1009.6517 2508.8*518 1580519 738521 656.8522 308.6568 157.5569 60.2570 74.8571 244.4572 231.4573 802574 1200*577 1129.6578 892623 366.2625 328.4626 119.2627 106.5628 253.2629 776.4633 2659.2634 2160679 416.8680 197.8681 95.1685 206.8686 589.2687 6598.4688 7520690 10899.2691 7686.4735 135739 234.2740 476.4742 2889.6743 4697.6*789 139.5790 4198.4*791 341795 786796 1620797 2329.6798 1649.6799 4809.6*800 6467.2803 3000845 305.2846 22297.6847 592848 <28.8849 208850 665.2852 2840854 406.8857 1340858 3427.2859 4208860 <37.05901 458.8902 4457.6903 491.6907 4988.8908 758.4913 1549.6
C-4 Risk Area 4 - Revised Final.xlsx/Table 1 Page 5 of 7
APPENDIX C-4TABLE 1
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Surficial Soil (0 to 6 inches bgs) - All Data Sources (Excluding Hot Spots)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)914 1609.6915 351.6916 <28.65959 185.7960 361.6962 1180964 407.8968 787.2969 275970 1040971 1300972 149.21014 288.21015 222.61016 7654.41017 888.81018 3417.61019 1089.61020 1849.61021 30489.61022 1549.61025 117.11026 58.51027 <40.651028 1561071 1689.61072 510.81073 6988.81074 4137.61075 8787.2*1078 25601079 326.21080 126.81081 213.61083 <26.11128 475.21129 3388.81130 344.21132 <31.651133 119.91134 127.41135 53.51136 43.11186 3609.6
LFR Laboratory Data, November-December 2005292 301297 5,580410 671457 345*517 4,550574 1,900743 7,930790 4,230
C-4 Risk Area 4 - Revised Final.xlsx/Table 1 Page 6 of 7
APPENDIX C-4TABLE 1
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Surficial Soil (0 to 6 inches bgs) - All Data Sources (Excluding Hot Spots)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)799 7,690846 21100*970 992*1016 5260*1075 10,000
Earth Tech XRF Data, June 2008297 (0-0.5) 348410 (0-0.5) 895463 (0-0.5) 1,623517 (0-0.5) 3,399634 (0-0.5) 4,000688 (0-0.5) 8,715690 (0-0.5) 8,126742 (0-0.5) 1,245790 (0-0.5) 24,627797 (0-0.5) 2,549799 (0-0.5) 8,630800 (0-0.5) 8,207846 (0-0.5) 4,235858 (0-0.5) 3,768908 (0-0.5) 3,1561018 (0-0.5) 1,2461020 (0-0.5) 2,9751022 (0-0.5) 1,1261073 (0-0.5) 8,7131075 (0-0.5) 2,6951078 (0-0.5) 4,888
Earth Tech Laboratory Data, June 20081016 (0-0.5) 1071130 (0-0.5) 553
Summary Statistics:No. of Samples (excluding SS01) 365No. of Detects 357Frequency of Detection 98%Minimum Concentration 13Maxiumum Concentration 30,490Average Concentration 1,688Standard Deviation 3,037t-value 1.96795% Confidence Interval 31395% UCL on the Mean 2,001
MassDEP Urban Background (Fill Soil) 600CA/T 95th Percentile Urban Background 1,100Max. Concentration Above Background? YesUCL of 6,000 ppm Exceeded? Yes
Notes:* - Duplicate sample analyzed by XRF and laboratory. Higher detected result of the duplicate analyses used in the summary statistics. Asterisk placed on result not used.mg/kg = milligrams per kilogram, which is equivalent to parts per million (ppm).UCL = Upper Confidence Limit.
C-4 Risk Area 4 - Revised Final.xlsx/Table 1 Page 7 of 7
APPENDIX C-4TABLE 2
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Shallow Subsurface Soil (0 to 3 feet) - All data Sources (Excluding Rizzo SS01)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)WSE, Phase II, 2002:
BC/SS-1/0-6" (24-JUL-02) 190BC/SS-2/0-6"(24-JUL-02) 580BC/SS-3/0-6"(24-JUL-02) 820BP/HA-1/0-1'(16-AUG-02) 100BP/HA-2/0-1'(16-AUG-02) 230
CL/GP-10/S-1/0-4' (23-JUL-02) 790HB/GP-14/S-1/0-4'(24-JUL-02) 26EZ/GP-2/S-1/0-4'(22-JUL-02) 95EZ/GP-4/S-1/0-4'(22-JUL-02) 3EZ/GP-7/S-1/0-4'(23-JUL-02) 540EZ/GP-8/S-1/0-4'(23-JUL-02) 1,200
EZ/GP-43/0-2'(26-JUL-02) 1,100HB/GP-15/S-1/1-3'(24-JUL-02) 400HB/GP-16/S-1/1-3'(24-JUL-02) 590BP/HA-1/2-2.5'(16-AUG-02) 25BP/HA-2/1.8-2'(16-AUG-02) 130
Rizzo, IH Data, 2000:SS02 Readville 590SS03 Readville 580SS04 Readville 9,600SS05 Readville 2,800SS06 Readville 92SS07 Readville 64SS08 Readville 1,200SS09 Readville 6,500SS10 Readville 46SS11 Readville 970SS12 Readville 3,500SS13 Readville 5,500SS14 Readville 610SS15 Readville 500SS16 Readville 410SS17 Readville 2,200SS18 Readville 180SS19 Readville 9,100SS20 Readville 5,100SS24 Readville 760SS25 Readville 570SS26 Readville 570SS27 Readville 410
DEP IH 2002 XRF Lead Screening DataRow C 2400 195Row C 2450 213Row C 2500 221Row C 2550 200Row C 2600 293Row C 2650 323Row C 2700 234Row C 2750 233Row C 2800 253Row C 2850 280Row C 2900 223
C-4 Risk Area 4 - Revised Final.xlsx/Table 2 Page 1 of 10
APPENDIX C-4TABLE 2
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Shallow Subsurface Soil (0 to 3 feet) - All data Sources (Excluding Rizzo SS01)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
Row C 2950 232Row C 3000 290Row C 3050 236Row C 3100 143
Row D/E 2400 161Row D/E 2500 198Row D/E 2600 274Row D/E 2700 343Row D/E 2800 431Row D/E 2900 336
Row F 2500 763Row F 2550 909Row F 2600 871Row F 2650 1,576Row F 2700 2,113Row F 2750 1,906Row F 2800 2,230Row F 2850 3,460Row F 2900 2,810Row F 3000 3,820Row F 3050 2,563Row F 3100 1,456Row G 2450 432Row G 2500 2,030Row G 2550 1,283Row G 2800 2,373Row G 2850 3,490Row G 2900 2,283Row G 2950 2,746Row G 3000 8,076Row G 3050 5,150Row G 3100 754Row G 3150 463Row H 2450 2,350Row H 2900 2,116Row H 2950 999Row H 3000 1,330Row H 3050 2,969Row H 3100 3,833Row H 3150 415Row I 2400 2,210Row I 2450 2,003Row I 3000 691Row I 3050 435Row I 3100 919Row I 3150 370Row J 2650 2,813Row J 2700 1,516Row J 2950 1,470Row J 3000 1,042Row J 3050 670Row J 3100 2,400Row J 3150 1,019Row K 2400 681Row K 2450 1,380
C-4 Risk Area 4 - Revised Final.xlsx/Table 2 Page 2 of 10
APPENDIX C-4TABLE 2
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Shallow Subsurface Soil (0 to 3 feet) - All data Sources (Excluding Rizzo SS01)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
Row K 2650 2,550Row K 2700 1,873Row K 2750 1,313Row K 2800 1,163Row K 2850 2,106Row K 2900 1,813Row K 3000 524Row K 3050 949Row K 3100 7,810Row K 3150 2,036Row L 2400 630Row L 2450 718Row L 2500 880Row L 2550 1,403Row L 2600 997Row L 2650 594Row L 2700 2,230Row L 2750 982Row L 2800 670Row L 2850 431Row L 2900 406Row L 3000 305Row L 3050 1,526Row L 3100 5,100Row M 2400 484Row M 2450 559Row M 2500 1,183Row M 2550 1,473Row M 2600 1,216Row M 2650 1,029Row M 2700 1,556Row M 2750 615Row M 3000 782Row M 3050 3,110Row M 3100 2,310Row M 3150 415Row N 2400 363Row N 2450 631Row N 2500 616Row N 2550 980Row N 2600 1,823Row N 2650 1,490Row N 2700 759Row N 2750 309Row N 2900 212Row N 2950 252Row N 3000 3,166Row N 3050 676Row O 2400 945Row O 2500 729Row O 2550 916Row O 2600 875Row O 2650 1,370Row O 2700 519Row O 2750 171
C-4 Risk Area 4 - Revised Final.xlsx/Table 2 Page 3 of 10
APPENDIX C-4TABLE 2
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Shallow Subsurface Soil (0 to 3 feet) - All data Sources (Excluding Rizzo SS01)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
Row O 2800 266Row O 2850 271Row O 2900 309Row P 2400 649Row P 2450 945Row P 2500 906Row P 2550 779Row Q 2400 330Row Q 2450 272Row Q 2500 505Row Q 2550 513Row Q 2600 849Row Q 2700 714Row Q 2750 850Row Q 2800 726Row Q 2850 306Row Q 2900 190Row Q 2950 87Row R 2400 223Row R 2450 294Row R 2500 242Row R 2550 208Row R 2600 354Row R 2650 327Row R 2700 288Row R 2750 282Row R 2800 192Row R 2850 297Row S 2400 335Row S 2450 130Row S 2500 263Row S 2550 140Row S 2600 92Row S 2650 139Row S 2700 90Row S 2750 276Row S 2800 203
LFR XRF Data, November-December 2005240 153.6240 146.8242 347.4242 47.5292 267.4*292 <24.75293 136.5293 <27.6294 220.8294 <29.1295 174.1295 27.6296 202.1296 59.9297 3200*297 26.7298 172.7298 125.3346 400.2346 <19.95
C-4 Risk Area 4 - Revised Final.xlsx/Table 2 Page 4 of 10
APPENDIX C-4TABLE 2
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Shallow Subsurface Soil (0 to 3 feet) - All data Sources (Excluding Rizzo SS01)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)347 <26.7347 <25.2348 214348 <29.7349 268349 <35.25350 104.6350 <19.95351 837.6351 <32.25354 <25.2354 1320401 114.9401 <20.85402 188.5402 <26.4403 352.6403 135.5404 440.4404 665.2404 38.9405 818405 <23.7406 590.4406 <17.7407 422407 768410 527.2*410 35.5457 352.6457 58.5458 522.8458 207.4459 825.6459 <26.55462 397.8462 54.1463 973.6463 974463 64.2465 769.6465 1120466 774512 200512 149.8513 242.2513 <28.5514 544.8514 <27.15515 333.8515 <25.05516 1009.6516 41.7517 2508.8*517 682518 1580518 257.2519 738519 140.4521 656.8521 61.9522 308.6522 612.8568 157.5568 <28.35569 60.2569 <29.4570 74.8
C-4 Risk Area 4 - Revised Final.xlsx/Table 2 Page 5 of 10
APPENDIX C-4TABLE 2
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Shallow Subsurface Soil (0 to 3 feet) - All data Sources (Excluding Rizzo SS01)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)570 <29.85571 244.4571 <27.6572 231.4572 <25.95573 802573 44.5574 1200*574 <28.65577 1129.6577 1100578 892578 1800623 366.2623 258.2625 328.4625 <29.25626 119.2626 <31.5627 106.5627 107627 <23.7628 253.2628 <33.15629 776.4629 451.6633 2659.2633 1320634 2160634 1080679 416.8679 51.8680 197.8680 26681 95.1681 <29.7685 206.8685 <26.7686 589.2686 141687 6598.4687 5059.2688 7520688 2129.6690 10899.2690 3449.6691 7686.4691 4137.6734 140.1735 135735 <25.65739 234.2739 <22.05740 476.4740 <35.1742 2889.6742 39.3743 4697.6*743 4057.6789 139.5789 <28.2790 4198.4*790 47.2791 341791 <20.85795 786795 1329.6796 1620
C-4 Risk Area 4 - Revised Final.xlsx/Table 2 Page 6 of 10
APPENDIX C-4TABLE 2
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Shallow Subsurface Soil (0 to 3 feet) - All data Sources (Excluding Rizzo SS01)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)797 2329.6797 3169.6798 1649.6798 1009.6799 4809.6*799 2468.8800 6467.2800 8716.8802 5040802 883.2803 3000803 <29.4845 305.2845 75.7846 22297.6846 22,298846 235847 592847 <25.95848 <28.8848 <33.9849 208849 <29.1850 665.2850 50.1852 2840852 8556.8854 406.8854 604857 1340857 <30.75858 3427.2858 <26.25859 4208859 44.2860 <37.05860 <28.8901 458.8901 <33.6902 4457.6902 <30903 491.6903 <28.5907 4988.8907 4560908 758.4908 3188.8913 1549.6913 464.4914 1609.6914 33.3915 <32.25916 <28.65916 40.1959 185.7959 <31.05960 361.6960 <23.4962 1180962 633.6964 407.8964 1569.6968 787.2968 34.5969 275969 115970 1040970 <31.65
C-4 Risk Area 4 - Revised Final.xlsx/Table 2 Page 7 of 10
APPENDIX C-4TABLE 2
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Shallow Subsurface Soil (0 to 3 feet) - All data Sources (Excluding Rizzo SS01)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)971 1300971 124.6972 149.2972 <32.7
1014 288.21014 35.31015 222.61015 32.91016 7654.41016 <31.051017 888.81017 <31.51018 3417.61018 92.31019 1089.61019 13990.41020 1849.61020 <24.31021 30489.61021 <31.651022 1549.61022 97.81025 117.11025 <28.651026 58.51026 <25.051027 <40.651027 34.81028 1561028 <22.051071 1689.61071 183.71072 510.81072 <32.551073 6988.81073 110.31074 4137.61074 72.61075 8787.2*1075 732.81078 25601078 75.71079 326.21079 <29.551080 126.81080 <24.31081 213.61081 29.61083 <26.11083 <32.851128 475.21128 <31.651129 3388.81129 <30.61130 344.21130 52.21132 <31.651132 210.21133 119.91133 <30.31134 127.41134 <33.751135 53.51135 <33.451136 43.11136 <27.751186 3609.61186 144.4
C-4 Risk Area 4 - Revised Final.xlsx/Table 2 Page 8 of 10
APPENDIX C-4TABLE 2
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Shallow Subsurface Soil (0 to 3 feet) - All data Sources (Excluding Rizzo SS01)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
LFR Laboratory Data, November-December 2005292 301297 5,580410 671457 345*517 4,550574 1,900743 7,930790 4,230799 7,690846 21100*970 992*
1016 5260*1075 10,000
Earth Tech XRF Data, June 2008297 (0-0.5) 348410 (0-0.5) 895463 (0-0.5) 1,623517 (0-0.5) 3,399634 (0-0.5) 4,000688 (0-0.5) 8,715690 (0-0.5) 8,126742 (0-0.5) 1,245790 (0-0.5) 24,627797 (0-0.5) 2,549799 (0-0.5) 8,630800 (0-0.5) 8,207846 (0-0.5) 4,235858 (0-0.5) 3,768908 (0-0.5) 3,1561018 (0-0.5) 1,2461020 (0-0.5) 2,9751022 (0-0.5) 1,1261073 (0-0.5) 8,7131075 (0-0.5) 2,6951078 (0-0.5) 4,888297 (0.5-3.0) 70410 (0.5-3.0) <13463 (0.5-3.0) 128517 (0.5-3.0) 161634 (0.5-3.0) 1,394688 (0.5-3.0) 477690 (0.5-3.0) 4,166790 (0.5-3.0) 15797 (0.5-3.0) 375799 (0.5-3.0) 7,922800 (0.5-3.0) 8,083846 (0.5-3.0) 18858 (0.5-3.0) 102908 (0.5-3.0) 2,384
1016 (0.5-3.0) 5941018 (0.5-3.0) 171022 (0.5-3.0) <131073 (0.5-3.0) 4811075 (0.5-3.0) 5521078 (0.5-3.0) 1361130 (0.5-2.5) <14
C-4 Risk Area 4 - Revised Final.xlsx/Table 2 Page 9 of 10
APPENDIX C-4TABLE 2
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Shallow Subsurface Soil (0 to 3 feet) - All data Sources (Excluding Rizzo SS01)MBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)Earth Tech Laboratory Data, June 2008
1016 (0-0.5) 1071130 (0-0.5) 553
Summary Statistics:No. of Samples 547No. of Detects 470Frequency of Detection 86%Minimum Concentration 3Maxiumum Concentration 30,490Average Concentration 1,380Standard Deviation 2,863t-value 1.96495% Confidence Interval 24095% UCL on the Mean 1,621
MassDEP Urban Background (Fill Soil) 600CA/T 95th Percentile Urban Background 1,100Max. Concentration Above Background? YesUCL of 6,000 ppm Exceeded? Yes
Notes:1. Note that two results in a given reference cell from the LFR XRF 2005 data are for depths of 0'-0.5' and 0.5'-3' below grade.* - Duplicate sample analyzed by XRF and laboratory. Higher detected result of the duplicate analyses used in the summary statistics. Asterisk placed on result not used.mg/kg = milligrams per kilogram, which is equivalent to parts per million (ppm).UCL = Upper Confidence Limit.
C-4 Risk Area 4 - Revised Final.xlsx/Table 2 Page 10 of 10
APPENDIX C-4TABLE 3
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Deep Soil sampling (>3 feet) - LFR and Earth Tech dataMBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)
LFR XRF Data, November-December 2005292 76.4296 <27.75*406 <24.45407 32.6512 <25.65*517 321.7518 291.1578 27.15633 <23.25634 21.2634 5049.6686 <29.7687 43.6688 45690 44.1691 2499.2691 78.6743 67.4748 306748 547.7795 89.7796 5280796 2510798 115.6798 472799 454.4*800 3708.8802 30.7850 79.6854 <25.05907 1859.2907 970.4908 3548.8908 <24.3962 <27.15964 1200964 1649.6964 1569.6969 <26.851019 <23.851021 81.21075 90.71130 86.1
LFR Laboratoy Data, November-December 20051075 (3-6') 85.5*296 (3-5') 15.4512 (3-5') 13690 (11-13') 37.8*790 (3-6') 909796 (13.5') 371*799 (10-15') 694
Earth Tech XRF Data, June 2008297 (3.0-6.0) 37355 (3.0-6.0) 71463 (3.0-6.0) 47517 (3.0-6.0) 231634 (3.0-6.0) 586688 (3.0-4.5) 3350690 (3.0-6.0) 2596742 (3.0-6.0) 9238790 (3.0-6.0) 83797 (3.0-6.0) 14521799 (3.0-6.0) 6322800 (3.0-6.0) 11464846 (3.0-6.0) <26858 (3.0-6.0) 122
C-4 Risk Area 4 - Revised Final.xlsx/Table 3 Page 1 of 2
APPENDIX C-4TABLE 3
Soil Statistical SummaryRISK AREA 4 (Exclusion Zone)
Deep Soil sampling (>3 feet) - LFR and Earth Tech dataMBTA Readville 5 Yard, Dedham, MA.
Sample ID Lead (mg/kg)908 (3.0-6.0) 306491020 (3.0-6.0) 1521022 (3.0-6.0) 161073 (3.0-4.0) <131075 (3.0-4.0) 36
Earth Tech Laboratory Data, June 2008410 (3-6') 19.51078 (3-6') 21.7
Summary Statistics:No. of Samples 71No. of Detects 61Frequency of Detection 86%Minimum Concentration 13Maxiumum Concentration 30,649Average Concentration 1,756Standard Deviation 4,560t-value 1.99495% Confidence Interval 107995% UCL on the Mean 2,835
MassDEP Urban Background (Fill Soil) 600CA/T 95th Percentile Urban Background 1,100Max. Concentration Above Background? YesUCL of 6,000 ppm Exceeded? Yes
Notes:1. Note that two results in a given reference cell from the LFR XRF 2005 data are for two different depths below grade.* - Duplicate sample analyzed by XRF and laboratory. Higher detected result of the duplicate analyses used in the summary statistics. Asterisk placed on result not used.mg/kg = milligrams per kilogram, which is equivalent to parts per million (ppm).UCL = Upper Confidence Limit.
C-4 Risk Area 4 - Revised Final.xlsx/Table 3 Page 2 of 2
APP
EN
DIX
C-4
TA
BL
E 4
RIS
K A
RE
A 4
- E
XC
LU
SIO
N Z
ON
ESt
atis
tical
Sum
mar
y - M
etal
s, E
PH P
aram
eter
s and
PA
Hs i
n Su
rfic
ial S
oil (
0 to
6 in
ch) E
xclu
ding
Lea
dM
BT
A R
eadv
ille
5 Y
ard,
Ded
ham
, MA
.
Sum
mar
y St
atis
tics
BC
/SS-
1/0-
6"B
C/S
S-2/
0-6"
B
C/S
S-3/
0-6"
29
7-S1
/0-6
"29
2-S1
-0-6
"41
0-S1
/0-6
"45
7-S1
/0-6
"51
7-S1
/0-6
"57
4-S1
/0-6
"84
6-S1
/0-6
"97
0-S1
/0-6
"10
16-S
1/0-
6"10
75-S
1/0-
6"74
3-S1
/0-6
"79
9-S1
/0-6
"10
16/0
-6"
1130
/0-6
"N
o. o
fU
nits
24-J
UL
-02
24-J
UL
-02
24-J
UL
-02
30-N
ov-0
530
-Nov
-05
2-D
ec-0
52-
Dec
-05
5-D
ec-0
55-
Dec
-05
5-D
ec-0
58-
Dec
-05
8-D
ec-0
58-
Dec
-05
12-D
ec-0
512
-Dec
-05
18-J
un-0
819
-Jun
-08
Sam
ples
Min
Max
Ave
rage
Tot
al M
etal
sA
ntim
ony
mg/
kg11
9.8
13-
--
--
--
--
--
--
-3
310
0%11
1311
.31.
64.
303
415
12.8
7Y
es3
Yes
Ars
enic
mg/
kg14
018
2618
.32.9
29.5
93.7
31.8
15.6
43.4
16.1
20.4
43.3
26.0
30.8
12.2
14.5
1716
94%
12.2
140
34.3
33.8
2.12
017
5210
3.0
20Y
es10
Yes
Bar
ium
mg/
kg34
100
150
226
8390
.059
.01,
910
357
5,43
019
251
270
82,
540
4,41
0-
-15
1510
0%34
5,43
01,
120.
01,
716.
42.
145
951
2071
4,71
6.0
50Y
es14
Yes
Chr
omiu
mm
g/kg
9.1
2023
89.8
8.31
25.7
16.6
076
.40
29.1
120
22.7
29.3
44.3
102
127
--
1515
100%
9.1
127
49.6
41.6
2.14
523
72.6
122.
140
Yes
6Y
esC
obal
tm
g/kg
6.3
5.8
7.3
--
--
--
--
--
--
--
33
100%
6.3
7.3
6.5
0.8
4.30
32
8.4
7.2
4Y
es3
Yes
Cop
per
mg/
kg70
240
200
--
--
--
--
--
--
--
33
100%
7024
017
0.0
88.9
4.30
322
139
123
6.0
200
Yes
1Y
esLe
adm
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
600
--
-
EPH
C9-
C18
Alip
ahtic
sm
g/kg
5.4
11.1
5.5
--
--
--
--
--
--
18.4
15.45
50
0%-
-11
.25.
82.
776
718
17.8
NA
--
No
C19
-C36
Alip
hatic
sm
g/kg
38.8
124
36.8
--
--
--
--
--
--
18.4
15.45
53
60%
36.8
124
46.7
44.5
2.77
655
102
107.
0N
A-
-Y
esC
11-C
22 A
rom
atic
s, U
nadj
uste
dm
g/kg
94.5
281
80.4
--
--
--
--
--
--
18.4
15.45
53
60%
80.4
281
98.0
108.
42.
776
135
232
243.
7N
A-
--
C11
-C22
Aro
mat
ic, A
djus
ted
mg/
kg83
.223
470
.6-
--
--
--
--
--
-18.4
15.45
53
60%
70.6
234
84.3
89.0
2.77
611
119
520
3.8
NA
--
Yes
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
0.269
0.555
0.275
--
--
--
--
--
--
0.3
0.1
51
20%
0.30
00.
300
0.30
00.
163
2.77
60.
203
0.5
0.5
1N
o0
No
2-M
ethy
lnap
htha
lene
mg/
kg0.269
0.555
0.275
--
--
--
--
--
--
0.3
0.1
51
20%
0.30
00.
300
0.30
00.
163
2.77
60.
203
0.5
0.5
1N
o0
No
Ace
naph
thyl
ene
mg/
kg0.269
0.555
0.275
--
--
--
--
--
--
0.3
0.1
51
20%
0.30
00.
300
0.30
00.
163
2.77
60.
203
0.5
0.5
1N
o0
No
Ace
naph
then
em
g/kg
0.269
0.555
0.275
--
--
--
--
--
--
0.1
0.1
50
0%N
DN
DN
DN
DN
DN
DN
DN
D2
ND
0N
DA
nthr
acen
em
g/kg
0.269
1.22
0.275
--
--
--
--
--
--
0.1
0.1
51
20%
1.22
01.
220
0.39
30.
470
2.77
60.
584
1.0
1.0
4N
o0
No
Fluo
rene
mg/
kg0.269
0.555
0.275
--
--
--
--
--
--
0.2
0.1
51
20%
0.20
00.
200
0.28
00.
169
2.77
60.
210
0.5
0.5
2N
o0
No
Phen
anth
rene
mg/
kg0.269
5.42
0.64
3-
--
--
--
--
--
-0.
70.1
53
60%
0.64
35.
420
1.42
62.
247
2.77
62.
790
4.2
4.5
20N
o0
No
Fluo
rant
hene
mg/
kg1.
396.
121.
44-
--
--
--
--
--
-1.
20.
45
510
0%0.
400
6.12
02.
110
2.28
02.
776
2.83
14.
95.
210
No
0N
oPy
rene
mg/
kg1.
628.
091.
51-
--
--
--
--
--
-1.
30.
45
510
0%0.
400
8.09
02.
584
3.11
52.
776
3.86
86.
56.
820
No
0N
oB
enzo
(g,h
,i)pe
ryle
nem
g/kg
0.86
83.
010.
606
--
--
--
--
--
--
0.4
0.1
54
80%
0.40
03.
010
0.99
71.
160
2.77
61.
440
2.4
2.6
3N
o0
No
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
1.03
3.49
0.81
5-
--
--
--
--
--
-0.
70.1
54
80%
0.7
3.49
1.22
71.
311
2.77
61.
628
2.9
3.0
9N
o0
No
Chr
ysen
em
g/kg
1.27
4.24
1.05
--
--
--
--
--
--
10.
35
510
0%0.
34.
241.
572
1.53
52.
776
1.90
63.
53.
67
No
0N
oB
enzo
(b)f
luor
anth
ene
mg/
kg1.
564.
831.
27-
--
--
--
--
--
-1.
20.
45
510
0%0.
44.
831.
852
1.71
92.
776
2.13
54.
04.
28
No
0N
oB
enzo
(k)f
luor
anth
ene
mg/
kg1.
794
1.24
--
--
--
--
--
--
0.4
0.1
54
80%
0.4
41.
506
1.54
72.
776
1.92
13.
43.
64
No
0N
oB
enzo
(a)p
yren
em
g/kg
0.97
3.43
0.69
6-
--
--
--
--
--
-0.
60.
25
510
0%0.
23.
431.
179
1.28
82.
776
1.59
92.
82.
97
No
0N
oIn
deno
(1,2
,3-c
d)Py
rene
mg/
kg0.
828
2.9
0.60
3-
--
--
--
--
--
-0.
50.1
54
80%
0.5
2.9
0.98
61.
102
2.77
61.
368
2.4
2.5
3N
o0
No
Dib
enzo
(a,h
)ant
hrac
ene
mg/
kg0.269
0.555
0.54
9-
--
--
--
--
--
-0.
20.1
52
40%
0.2
0.54
90.
335
0.20
72.
776
0.25
70.
60.
61
No
0N
o
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm)
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
CO
C=
Che
mic
al o
f Con
cern
for t
he S
iteEP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs
PAH
s = P
olyc
lycl
ic A
rom
atic
Hyd
roca
rbon
sU
CL
= U
pper
Con
fiden
ce L
imit
Italic
s ind
icat
e th
at a
naly
te w
as n
ot d
etec
ted
abov
e la
bora
tory
det
ectio
n lim
it. V
alue
show
n is
one
-hal
f the
repo
rtabl
e de
tect
ion
li m
Para
met
ers
No.
of
Det
ects
Freq
uenc
yof
Det
ectio
n
Ear
th T
ech,
200
8
Ret
aine
dA
s CO
C?
Site
Max
imum
Det
ecte
dC
once
ntra
tion
Abo
veB
ackg
roun
d?
Mas
sDE
PU
rban
Bac
kgro
und
Con
cent
ratio
n(F
ill S
oil
Upp
er95
% U
CL
of
Mea
n
Num
ber
Sam
ples
Abo
ve U
rban
B
ackg
roun
d95
thPe
rcen
tile
t-va
lue
Stan
dard
Dev
iatio
n
95%
Con
fiden
ceIn
terv
al
WSE
, 200
2 PH
ASE
IIL
FR, 2
005
C-4
Ris
k A
rea
4 - R
evis
ed F
inal
.xls
x/Ta
ble
4
APP
EN
DIX
C-4
TA
BL
E 5
RIS
K A
RE
A 4
- E
XC
LU
SIO
N Z
ON
ESt
atis
tical
Sum
mar
y - M
etal
s, E
PH P
aram
eter
s and
PA
Hs i
n Su
bsur
face
Soi
l (0
to 3
feet
)M
BT
A R
eadv
ille
5 Y
ard,
Ded
ham
, MA
.
WSE
, 200
2 PH
ASE
IIL
FR, D
ecem
ber
2005
BC
/SS-
1/0-
6"B
C/S
S-2/
0-6"
B
C/S
S-3/
0-6"
B
P/H
A-1
/0-1
BP/
HA
-2/0
-1C
L/G
P-10
/S-1
/0-4
HB
/GP-
14/S
-1/0
-4E
Z/G
P-2/
S-1/
0-4
EZ
/GP-
4/S-
1/0-
4E
Z/G
P-7/
S-1/
0-4
EZ
/GP-
8/S-
1/0-
4E
Z/G
P-43
/0-2
H
B/G
P-15
/S-1
/1-3
HB
/GP-
16/S
-1/1
-3B
P/H
A-1
/2-2
.5B
P/H
A-2
/1.8
-297
0-S1
/0.5
-3'
Uni
ts24
-JU
L-0
224
-JU
L-0
224
-JU
L-0
216
-AU
G-0
216
-AU
G-0
223
-JU
L-0
224
-JU
L-0
222
-JU
L-0
222
-JU
L-0
223
-JU
L-0
223
-JU
L-0
226
-JU
L-0
224
-JU
L-0
224
-JU
L-0
216
-AU
G-0
216
-AU
G-0
28-
Dec
-05
Tot
al M
etal
sA
ntim
ony
mg/
kg11
9.8
131
2.6
991
11
8.6
326
5.2
8.4
11
-A
rsen
icm
g/kg
140
1826
4.9
8.4
573.
12.
72.
28.
33.
118
7.7
32.
64.
22.6
Chr
omiu
mm
g/kg
9.1
2023
7.7
9.9
1247
9.8
6.2
1644
2610
205.
76
0.3
Cob
alt
mg/
kg6.
35.
87.
35
4.3
5.4
4.8
4.7
4.5
6.2
26.
47.
82.
54.
64.
49.
68C
oppe
rm
g/kg
7024
020
025
5051
012
2112
160
110
340
7327
2124
-Le
adm
g/kg
--
--
--
--
--
--
--
--
-
EPH
C9-
C18
Alip
ahtic
sm
g/kg
5.4
11.1
5.5
5.1
2636
.35.15
5.1
5.15
11.4
16.8
405.45
5.3
5.1
5.1
-C
19-C
36 A
lipha
tics
mg/
kg38
.812
436
.85.1
70.4
248
5.15
5.1
5.15
57.5
36.7
89.6
5.45
5.3
5.1
5.1
-C
11-C
22 A
rom
atic
s, U
nadj
uste
dm
g/kg
94.5
281
80.4
5.1
66.5
157
5.15
5.1
5.15
122
99.7
351
17.4
5.3
5.1
26.6
-C
11-C
22 A
rom
atic
s, A
djus
ted
mg/
kg83
.223
470
.65.1
66.5
130
5.15
5.1
5.15
116
96.3
317
16.7
5.3
5.1
26.6
-
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
0.269
0.555
0.275
0.253
0.255
0.89
60.258
0.255
0.258
0.278
0.64
10.555
0.272
0.266
0.255
0.255
-2-
Met
hyln
apht
hale
nem
g/kg
0.269
0.555
0.275
0.253
0.255
1.49
0.258
0.255
0.258
0.59
20.
966
1.3
0.272
0.266
0.255
0.255
-A
cena
phth
ylen
em
g/kg
0.269
0.555
0.275
0.253
0.255
0.58
50.258
0.255
0.258
0.278
0.261
0.555
0.272
0.266
0.255
0.255
-A
cena
pthe
nem
g/kg
0.269
0.555
0.275
0.253
0.255
0.291
0.258
0.255
0.258
0.278
0.261
0.555
0.272
0.266
0.255
0.255
-A
nthr
acen
em
g/kg
0.269
1.22
0.275
0.253
0.255
0.291
0.258
0.255
0.258
0.278
0.261
0.555
0.272
0.266
0.255
0.255
-Fl
uore
nem
g/kg
0.269
0.555
0.275
0.253
0.255
0.291
0.258
0.255
0.258
0.278
0.261
0.555
0.272
0.266
0.255
0.255
-Ph
enan
thre
nem
g/kg
0.269
5.42
0.64
30.253
0.255
1.66
0.258
0.255
0.258
1.01
0.58
92.
020.272
0.266
0.255
0.255
-Fl
uora
nthe
nem
g/kg
1.62
8.09
1.51
0.253
0.83
82.
070.258
0.255
0.258
1.38
0.261
3.98
0.72
30.266
0.255
0.255
-Py
rene
mg/
kg1.
396.
121.
440.253
0.68
11.
840.258
0.255
0.258
1.01
0.53
23.
360.272
0.266
0.255
0.255
-B
enzo
(g,h
,i)pe
ryle
nem
g/kg
0.86
83.
010.
606
0.253
0.255
1.55
0.258
0.255
0.258
0.278
0.261
2.26
0.272
0.266
0.255
0.255
-
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
1.03
3.49
0.81
50.253
0.255
1.84
0.258
0.255
0.258
0.61
30.261
2.72
0.272
0.266
0.255
0.255
-C
hrys
ene
mg/
kg1.
274.
241.
050.253
0.73
22.
550.258
0.255
0.258
0.74
10.261
3.72
0.272
0.266
0.255
0.255
-B
enzo
(b)f
luor
anth
ene
mg/
kg1.
564.
831.
270.253
1.03
4.16
0.258
0.255
0.258
0.278
0.261
4.33
0.272
0.266
0.255
0.255
-B
enzo
(k)f
luor
anth
ene
mg/
kg1.
794
1.24
0.253
0.64
52.
20.258
0.255
0.258
0.85
90.
669
4.61
0.272
0.266
0.255
0.255
-B
enzo
(a)p
yren
em
g/kg
0.97
3.43
0.69
60.253
0.255
1.99
0.258
0.255
0.258
0.278
0.261
2.63
0.272
0.266
0.255
0.255
-In
deno
(1,2
,3-c
d)Py
rene
mg/
kg0.
828
2.9
0.60
30.253
0.255
2.6
0.258
0.255
0.258
0.278
0.261
2.11
0.272
0.266
0.255
0.255
-D
iben
zo(a
,h)a
nthr
acen
em
g/kg
0.269
0.555
0.275
0.253
0.255
1.14
0.258
0.255
0.258
0.278
0.261
1.13
0.272
0.266
0.255
0.255
-
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
Para
met
ers
C-4
Ris
k A
rea
4 - R
evis
ed F
inal
.xls
x/Ta
ble
5Pa
ge 1
of 2
Uni
tsT
otal
Met
als
Ant
imon
ym
g/kg
Ars
enic
mg/
kgC
hrom
ium
mg/
kgC
obal
tm
g/kg
Cop
per
mg/
kgLe
adm
g/kg
EPH
C9-
C18
Alip
ahtic
sm
g/kg
C19
-C36
Alip
hatic
sm
g/kg
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kgC
11-C
22 A
rom
atic
s, A
djus
ted
mg/
kg
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
2-M
ethy
lnap
htha
lene
mg/
kgA
cena
phth
ylen
em
g/kg
Ace
napt
hene
mg/
kgA
nthr
acen
em
g/kg
Fluo
rene
mg/
kgPh
enan
thre
nem
g/kg
Fluo
rant
hene
mg/
kgPy
rene
mg/
kgB
enzo
(g,h
,i)pe
ryle
nem
g/kg
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
Chr
ysen
em
g/kg
Ben
zo(b
)flu
oran
then
em
g/kg
Ben
zo(k
)flu
oran
then
em
g/kg
Ben
zo(a
)pyr
ene
mg/
kgIn
deno
(1,2
,3-c
d)Py
rene
mg/
kgD
iben
zo(a
,h)a
nthr
acen
em
g/kg
Para
met
ers
APP
EN
DIX
C-4
TA
BL
E 5
RIS
K A
RE
A 4
- E
XC
LU
SIO
N Z
ON
ESt
atis
tical
Sum
mar
y - M
etal
s, E
PH P
aram
eter
s and
PA
Hs i
n Su
bsur
face
Soi
l (0
to 3
feet
)M
BT
A R
eadv
ille
5 Y
ard,
Ded
ham
, MA
.
Sum
mar
y St
atis
tics
742/
0.5-
3'10
16/0
-6"
1020
/0.5
-3'
1130
/0-6
"N
o. o
f
23-J
un-0
818
-Jun
-08
19-J
un-0
819
-Jun
-08
Sam
ples
Min
Max
Ave
rage
--
--
1610
63%
2.6
9912
.024
.12.
131
1325
44.3
7Y
es7
Yes
2.29
12.2
13.1
14.5
2119
90%
2.2
140
16.9
30.9
2.08
614
3157
.020
Yes
3Y
es-
--
-17
1694
%5.
747
.016
.013
.02.
120
722
.744
.640
Yes
2Y
es-
--
-17
1710
0%2
9.68
5.4
1.9
2.12
01
6.3
8.2
4Y
es15
Yes
--
--
1616
100%
1251
011
8.4
142.
02.
131
7619
438
2.5
200
Yes
3Y
es-
--
--
--
--
--
--
--
600
--
-
27.5
18.4
1615.45
205
25%
11.4
4013
.611
.02.
093
519
36.5
NA
--
Yes
27.5
18.4
1615.45
208
40%
36.7
248
41.0
58.7
2.09
327
6913
0.2
NA
--
Yes
27.5
18.4
1615.45
2010
50%
17.4
351
70.2
96.1
2.09
345
115
284.
5N
A-
--
27.5
18.4
1615.45
2010
50%
17.4
317
63.3
84.0
2.09
339
103
238.
2N
A-
-Y
es
0.1
0.3
0.1
0.1
203
15%
0.3
0.89
60.
320
0.19
62.
093
0.09
20.
40.
71
No
0N
o0.1
0.3
0.1
0.1
205
25%
0.3
1.49
0.41
90.
388
2.09
30.
182
0.6
1.3
1Y
es2
Yes
0.1
0.3
0.1
0.1
202
10%
0.3
0.58
50.
285
0.13
52.
093
0.06
30.
30.
61
No
0N
o0.1
0.1
0.1
0.1
200
0%N
DN
DN
DN
DN
DN
DN
DN
D2
ND
0N
D0.1
0.1
0.1
0.1
201
5%1.
221.
220.
294
0.24
02.
093
0.11
20.
40.
64
No
0N
o0.1
0.2
0.1
0.1
201
5%0.
20.
20.
265
0.11
62.
093
0.05
40.
30.
62
No
0N
o0.1
0.7
0.3
0.1
208
40%
0.3
5.42
0.75
71.
210
2.09
30.
566
1.3
2.2
20N
o0
No
0.1
1.2
0.3
0.4
2011
55%
0.3
8.09
1.21
41.
869
2.09
30.
875
2.1
4.2
10N
o0
No
0.1
1.3
0.4
0.4
2011
55%
0.4
6.12
1.03
21.
435
2.09
30.
672
1.7
3.5
20N
o0
No
0.1
0.4
0.1
0.1
206
30%
0.4
3.01
0.59
30.
781
2.09
30.
366
1.0
2.3
3Y
es1
Yes
0.1
0.7
0.1
0.1
207
35%
0.61
33.
490.
705
0.92
72.
093
0.43
41.
12.
89
No
0N
o0.1
10.
30.
320
1050
%0.
34.
240.
917
1.19
42.
093
0.55
91.
53.
77
No
0N
o0.1
1.2
0.2
0.4
209
45%
0.2
4.83
1.08
41.
510
2.09
30.
707
1.8
4.4
8N
o0
No
0.1
0.4
0.1
0.1
209
45%
0.4
4.61
0.93
91.
288
2.09
30.
603
1.5
4.0
4Y
es1
Yes
0.1
0.6
0.1
0.2
207
35%
0.2
3.43
0.67
90.
918
2.09
30.
430
1.1
2.7
7N
o0
No
0.1
0.5
0.1
0.1
206
30%
0.5
2.9
0.63
50.
847
2.09
30.
396
1.0
2.6
3N
o0
No
0.1
0.2
0.1
0.1
203
15%
0.2
1.14
0.33
70.
289
2.09
30.
135
0.5
1.1
1Y
es2
Yes
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
No.
of
Det
ects
Freq
uenc
yof
Det
ectio
n95
thPe
rcen
tile
Site
Max
imum
Det
ecte
dC
once
ntra
tion
Abo
veR
etai
ned
As C
OC
?
Ear
th T
ech,
Jun
e-Ju
ly 2
008
t-va
lue
95%
Con
fiden
ceIn
terv
al
Mas
sDE
PU
rban
Bac
kgro
und
Con
cent
ratio
n(F
ill S
oil
Stan
dard
Dev
iatio
n
Upp
er95
% U
CL
of
Mea
n
Num
ber
Sam
ples
Abo
ve U
rban
B
ackg
roun
d
C-4
Ris
k A
rea
4 - R
evis
ed F
inal
.xls
x/Ta
ble
5Pa
ge 2
of 2
APP
EN
DIX
C-4
TA
BL
E 6
RIS
K A
RE
A 4
- E
xclu
sion
Zon
eSt
atis
tical
Sum
mar
y - D
eep
Subs
urfa
ce S
oil (
>3 fe
et) -
AL
L D
AT
AM
etal
s, E
PH P
aram
eter
s and
PA
Hs
MB
TA
Rea
dvill
e 5
Yar
d, D
edha
m, M
A.
WSE
, 200
2 PH
ASE
II
HB
/GP-
14/S
-3/8
-12
EZ
/GP-
43/4
-8E
Z/G
P-8/
S-3/
8-12
EZ
/GP-
9/S-
2/4-
8SW
/GP-
11/S
-4/1
2-13
SW/G
P-12
/S-2
/4-5
EZ
/GP-
1/S-
2/4-
8E
Z/G
P-1/
S-4/
12-1
6EZ
/GP-
2/S-
4/12
-16
EZ
/GP-
3/S-
3/8-
12E
Z/G
P-3/
S-5/
16-2
0E
Z/G
P-4/
S-4/
12-1
6E
Z/G
P-5/
S-2/
4-8
EZ
/GP-
5/S-
4/12
-16
Uni
ts24
-JU
L-0
226
-JU
L-0
223
-JU
L-0
223
-JU
L-0
224
-JU
L-0
224
-JU
L-0
222
-JU
L-0
222
-JU
L-0
222
-JU
L-0
222
-JU
L-0
222
-JU
L-0
222
-JU
L-0
223
-JU
L-0
223
-JU
L-0
2M
etal
sA
ntim
ony
mg/
kg1.2
11
5.6
1.05
11
1.25
1.05
1.05
1.05
1.2
11.05
Ars
enic
mg/
kg3.
22.
31.
83.
43.
61.
62.
32.
11.
72.
75.
72.
62.
42
Bar
ium
mg/
kg70
1865
5122
3420
1536
2229
3225
20C
hrom
ium
mg/
kg15
743
8523
3.6
97.
27
7.6
7.3
117.
87
Cob
alt
mg/
kg6.
65.
55.
14.
63.
43.
25.
64.
23.
54
6.9
5.5
4.1
3.4
Cop
per
mg/
kg13
2444
6615
4.6
188.
311
1419
1019
12Le
adm
g/kg
--
--
--
--
--
--
--
EPH
C9-
C 18
Alip
ahtic
sm
g/kg
65.15
5.15
5.15
5.25
5.2
5.2
6.3
5.2
64.7
5.3
6.15
5.15
5.2
C19
-C36
Alip
hatic
sm
g/kg
65.15
93.4
5.15
5.25
5.2
5.2
6.3
5.2
5.2
5.3
6.15
5.15
5.2
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kg6
5.15
31.8
5.15
5.25
5.2
5.2
6.3
5.2
375.3
6.15
5.15
5.2
C11
-C22
Aro
mat
ics,
Adj
uste
dm
g/kg
65.15
31.8
5.15
5.25
5.2
5.2
6.3
5.2
375.3
6.15
5.15
5.2
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
2-M
ethy
lnap
htha
lene
mg/
kg0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Ace
naph
thyl
ene
mg/
kg0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Ace
naph
then
em
g/kg
0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Ant
hrac
ene
mg/
kg0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Fluo
rene
mg/
kg0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Phen
anth
rene
mg/
kg0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Fluo
rant
hene
mg/
kg0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Pyre
nem
g/kg
0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Ben
zo(g
,h,i)
pery
lene
mg/
kg0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Chr
ysen
em
g/kg
0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Ben
zo(b
)flu
oran
then
em
g/kg
0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Ben
zo(k
)flu
oran
then
em
g/kg
0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Ben
zo(a
)pyr
ene
mg/
kg0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Inde
no(1
,2,3
-cd)
Pyre
nem
g/kg
0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
Dib
enzo
(a,h
)ant
hrac
ene
mg/
kg0.301
0.258
0.258
0.258
0.263
0.261
0.261
0.317
0.261
0.261
0.266
0.309
0.258
0.261
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
Para
met
ers
C-4
Ris
k A
rea
4 - R
evis
ed F
inal
.xls
x/Ta
ble
6Pa
ge 1
of 3
Uni
tsM
etal
sA
ntim
ony
mg/
kgA
rsen
icm
g/kg
Bar
ium
mg/
kgC
hrom
ium
mg/
kgC
obal
tm
g/kg
Cop
per
mg/
kgLe
adm
g/kg
EPH
C9-
C 18
Alip
ahtic
sm
g/kg
C19
-C36
Alip
hatic
sm
g/kg
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kgC
11-C
22 A
rom
atic
s, A
djus
ted
mg/
kg
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
2-M
ethy
lnap
htha
lene
mg/
kgA
cena
phth
ylen
em
g/kg
Ace
naph
then
em
g/kg
Ant
hrac
ene
mg/
kgFl
uore
nem
g/kg
Phen
anth
rene
mg/
kgFl
uora
nthe
nem
g/kg
Pyre
nem
g/kg
Ben
zo(g
,h,i)
pery
lene
mg/
kg
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
Chr
ysen
em
g/kg
Ben
zo(b
)flu
oran
then
em
g/kg
Ben
zo(k
)flu
oran
then
em
g/kg
Ben
zo(a
)pyr
ene
mg/
kgIn
deno
(1,2
,3-c
d)Py
rene
mg/
kgD
iben
zo(a
,h)a
nthr
acen
em
g/kg
Para
met
ers
APP
EN
DIX
C-4
TA
BL
E 6
RIS
K A
RE
A 4
- E
xclu
sion
Zon
eSt
atis
tical
Sum
mar
y - D
eep
Subs
urfa
ce S
oil (
>3 fe
et) -
AL
L D
AT
AM
etal
s, E
PH P
aram
eter
s and
PA
Hs
MB
TA
Rea
dvill
e 5
Yar
d, D
edha
m, M
A.
WSE
, 200
2 PH
ASE
IIE
arth
Tec
h, J
une
& J
uly
2008
EZ
/GP-
6/S-
2/4-
8'H
B/G
P-13
/S-2
/4-5
HB
/GP-
14/S
-3/8
-12
EZ
/MW
104D
/10-
12'
EZ
/MW
104D
/14-
16'
P/M
W-1
06/1
0-12
'P/
MW
-107
/15-
17'
P/M
W-1
08/1
8-20
'29
6-S1
/3-5
'512
-S1/
3-5'
690-
S1/1
1-13
'79
6-S1
/13.
5'79
9-S1
/10-
15'1
075-
S1/3
-6'
410/
3-6'
1078
/3-6
'23
-Jul
-02
24-J
UL
-02
24-J
UL
-02
22-J
ul-0
222
-Jul
-02
23-J
ul-0
223
-Jul
-02
24-J
ul-0
230
-Nov
-05
2-D
ec-0
57-
Dec
-05
8-D
ec-0
512
-Dec
-05
8-D
ec-0
523
-Jun
-08
19-J
un-0
8
351
1.2
160
1.15
11.05
1.1
--
--
--
--
232.
23.
232
2.3
1.7
3.9
1.8
2.6
2.7
2.6
3.0
4.6
2.6
4.14
5.21
510
2170
460
1626
2619
16.9
52.4
20.3
73.5
87.0
38.1
--
8713
1564
5.3
8.1
8.6
4.8
0.3
0.3
0.3
0.3
0.5
0.3
--
7.6
5.2
6.6
103.
44.
13.
43.
39.
852.245
10.0
11.6
17.5
13.0
--
460
3313
2300
2316
107.
8-
--
--
--
--
--
--
--
--
--
--
--
-
53.7
5.1
6.25
72.8
5.8
5.1
5.3
11.4
--
--
--
15.45
15.4
5.4
5.1
6.25
178
5.8
12.4
2411
.4-
--
--
-15.45
15.4
765.1
6.25
182
5.8
5.1
5.3
5.7
--
--
--
15.45
15.4
65.5
5.1
6.25
175
5.8
5.1
5.3
5.7
--
--
--
15.45
15.4
0.269
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.269
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.269
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.269
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.269
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.269
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
1.39
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
1.91
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
1.62
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.54
40.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.86
30.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
1.12
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.89
60.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
1.32
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.84
40.255
0.313
7.16
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.269
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
0.269
0.255
0.313
0.347
0.291
0.255
0.266
0.284
--
--
--
0.1
0.1
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
LFR
, Dec
embe
r 20
05
C-4
Ris
k A
rea
4 - R
evis
ed F
inal
.xls
x/Ta
ble
6Pa
ge 2
of 3
Uni
tsM
etal
sA
ntim
ony
mg/
kgA
rsen
icm
g/kg
Bar
ium
mg/
kgC
hrom
ium
mg/
kgC
obal
tm
g/kg
Cop
per
mg/
kgLe
adm
g/kg
EPH
C9-
C 18
Alip
ahtic
sm
g/kg
C19
-C36
Alip
hatic
sm
g/kg
C11
-C22
Aro
mat
ics,
Una
djus
ted
mg/
kgC
11-C
22 A
rom
atic
s, A
djus
ted
mg/
kg
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
2-M
ethy
lnap
htha
lene
mg/
kgA
cena
phth
ylen
em
g/kg
Ace
naph
then
em
g/kg
Ant
hrac
ene
mg/
kgFl
uore
nem
g/kg
Phen
anth
rene
mg/
kgFl
uora
nthe
nem
g/kg
Pyre
nem
g/kg
Ben
zo(g
,h,i)
pery
lene
mg/
kg
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
Chr
ysen
em
g/kg
Ben
zo(b
)flu
oran
then
em
g/kg
Ben
zo(k
)flu
oran
then
em
g/kg
Ben
zo(a
)pyr
ene
mg/
kgIn
deno
(1,2
,3-c
d)Py
rene
mg/
kgD
iben
zo(a
,h)a
nthr
acen
em
g/kg
Para
met
ers
APP
EN
DIX
C-4
TA
BL
E 6
RIS
K A
RE
A 4
- E
xclu
sion
Zon
eSt
atis
tical
Sum
mar
y - D
eep
Subs
urfa
ce S
oil (
>3 fe
et) -
AL
L D
AT
AM
etal
s, E
PH P
aram
eter
s and
PA
Hs
MB
TA
Rea
dvill
e 5
Yar
d, D
edha
m, M
A.
Sum
mar
y St
atis
tics
No.
of
Sam
ples
Min
Max
Ave
rage
223
14%
5.6
160.
010
.034
2.08
015
2533
.57
Yes
2Y
es30
2480
%1.
632
.04.
56
2.04
52
715
.220
Yes
2Y
es28
2810
0%15
510.
067
.712
02.
052
4611
432
9.4
50Y
es9
Yes
2821
75%
3.6
87.0
16.0
242.
052
925
.377
.740
Yes
4Y
es28
2693
%3.
217
.56.
24
2.05
21
7.6
12.5
4Y
es19
Yes
2222
100%
4.6
2300
.014
2.8
491
2.08
021
836
044
0.3
200
Yes
2Y
es-
--
--
--
--
--
600
--
-
244
17%
11.4
72.8
13.8
202.
069
822
63.1
NA
--
Yes
245
21%
11.4
178.
018
.538
2.06
916
3583
.0N
A-
-Y
es24
417
%31
.818
2.0
19.0
382.
069
1635
70.1
NA
--
-24
417
%31
.817
5.0
18.3
362.
069
1534
61.2
NA
--
Yes
240
ND
ND
ND
ND
ND
ND
ND
ND
ND
1N
D0
ND
240
ND
ND
ND
ND
ND
ND
ND
ND
ND
1N
D0
ND
240
ND
ND
ND
ND
ND
ND
ND
ND
ND
1N
D0
ND
240
ND
ND
ND
ND
ND
ND
ND
ND
ND
2N
D0
ND
240
ND
ND
ND
ND
ND
ND
ND
ND
ND
4N
D0
ND
240
ND
ND
ND
ND
ND
ND
ND
ND
ND
2N
D0
ND
241
4%1.
390
1.39
00.
308
0.23
72.
069
0.10
00.
408
0.34
220
No
0N
o24
14%
1.91
01.
910
0.32
90.
341
2.06
90.
144
0.47
40.
342
10N
o0
No
241
4%1.
620
1.62
00.
317
0.28
32.
069
0.11
90.
437
0.34
220
No
0N
o24
14%
0.54
40.
544
0.27
30.
080
2.06
90.
034
0.30
60.
342
3N
o0
No
241
4%0.
863
0.86
30.
286
0.13
52.
069
0.05
70.
343
0.34
29
No
0N
o24
14%
1.12
01.
120
0.29
70.
184
2.06
90.
078
0.37
40.
342
7N
o0
No
241
4%0.
896
0.89
60.
287
0.14
12.
069
0.06
00.
347
0.34
28
No
0N
o24
14%
1.32
01.
320
0.30
50.
223
2.06
90.
094
0.39
90.
342
4N
o0
No
242
8%0.
844
7.16
00.
569
1.41
02.
069
0.59
51.
164
0.76
57
Yes
1Y
es24
0N
DN
DN
DN
DN
DN
DN
DN
DN
D3
ND
0N
D24
0N
DN
DN
DN
DN
DN
DN
DN
DN
D1
ND
0N
D
NO
TE
S:m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
C-P
AH
s = C
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
NA
= N
ot a
pplic
able
.N
D =
Not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.PA
Hs =
Pol
ycly
clic
Aro
mat
ic H
ydro
carb
ons.
UC
L =
Upp
er C
onfid
ence
Lim
it.Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
95%
Con
fiden
ceIn
terv
alR
etai
ned
As C
OC
?
Site
Max
imum
D
etec
ted
Con
cent
ratio
nA
bove
Bac
kgro
und?
Mas
sDE
PU
rban
Bac
kgro
und
Con
cent
ratio
n(F
ill S
oil
Upp
er95
% U
CL
of
Mea
n95
thPe
rcen
tile
Num
ber
Sam
ples
Abo
ve
Urb
anB
ackg
roun
dt-
valu
eSt
anda
rdD
evia
tion
No.
of D
etec
tsFr
eque
ncy
of
Det
ectio
n
C-4
Ris
k A
rea
4 - R
evis
ed F
inal
.xls
x/Ta
ble
6Pa
ge 3
of 3
APP
EN
DIX
C-5
TA
BL
E 1
SUM
MA
RY
OF
EX
POSU
RE
PO
INT
CO
NC
EN
TR
AT
ION
S - H
OT
SPO
TS
1,2
MB
TA R
eadv
ille
5 Y
ard
Site
Rea
dvill
e an
d D
edha
m, M
A
Para
met
ers
Uni
ts
VPH
Hot
Sp
ot(A
rea
3)
EPH
Hot
Sp
ot(A
rea
3)
Lea
d H
ot
Spot
1
(Are
a 4)
Lea
d H
ot S
pot 2
(Are
a 3)
Lea
d H
ot
Spot
3
(Are
a 4)
Soils
All
Dep
ths
Sam
ple
Dep
th (f
eet)=
==>
9-11
2-4
0-0.
50-
0.5
0.5-
30-
0.5
Sam
ple
ID==
=>SA
/GP-
44H
B/G
P-24
SS1
SS22
Cel
l 637
(ET)
Cel
l 637
(LFR
)C
ell 6
39C
ell 6
37C
ell 6
39C
ell 6
92C
ell 6
93C
ell 6
94C
ell 9
06N
o. o
fSa
mpl
esN
o. o
fD
etec
tsFr
eque
ncy
o fD
etec
tion
Min
Max
Met
als
Ars
enic
mg/
kg-
--
--
22.8
70.1
-63
.669
.5-
61.6
2020
Yes
5Y
es6
610
0%20
7020
Yes
5Y
esLe
adm
g/kg
--
20,0
0015
,000
20,0
1510
,000
37,9
004,
309
7,58
049
,100
6,51
827
,500
9,52
060
0Y
es11
Yes
1111
100%
4,30
949
,100
600
Yes
11Y
es
VPH
C5-
C8
Alip
hatic
sm
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
C9-
C12
Alip
hatic
sm
g/kg
193
--
--
--
--
--
--
--
--
11
100%
193
193
--
-Y
esC
9-C
10 A
rom
atic
sm
g/kg
154
--
--
--
--
--
--
--
--
11
100%
154
154
--
-Y
es
EPH
C9-
C18
Alip
hatic
sm
g/kg
1,52
060
.6-
--
-46
3-
210
83.8
-23
2-
--
-Y
es6
610
0%60
.61,
520.
0-
--
Yes
C19
-C36
Alip
hatic
sm
g/kg
500
5,60
0-
--
-3,
320
-1,
940
644
-61
099
8-
--
Yes
77
100%
500.
05,
600.
0-
--
Yes
C11
-C22
Aro
mat
ics
mg/
kg1,
660
1,19
0-
--
-1,
170
-64
919
0-
390
391
--
-Y
es7
710
0%19
0.0
1,66
0.0
--
-Y
es
Non
C-P
AH
s (m
g/kg
):N
apht
hale
nem
g/kg
1.92
1.29
--
--
0.7
-0.35
0.7
-2.
41.2
1Y
es2
Yes
74
57%
0.7
2.4
1Y
es4
Yes
2-M
ethy
lnap
htha
lene
mg/
kg5.
191.29
--
--
1.2
-0.35
0.4
-1.
51.2
1Y
es3
Yes
74
57%
0.4
5.19
1Y
es5
Yes
Ace
naph
thyl
ene
mg/
kg6.
261.29
--
--
0.3
-0.35
0.1
-0.
41.2
1Y
es1
Yes
72
29%
0.4
6.26
1Y
es3
Yes
Ace
naph
then
em
g/kg
4.67
1.29
--
--
0.3
-0.35
0.1
-0.
91.2
2Y
es1
Yes
72
29%
0.9
4.67
2Y
es1
Yes
Ant
hrac
ene
mg/
kg4.
261.29
--
--
0.3
-0.35
0.2
-0.
81.2
4Y
es1
Yes
73
43%
0.2
4.26
4Y
es1
Yes
Fluo
rene
mg/
kg5.
831.29
--
--
0.3
-0.35
0.4
-1.
81.2
2Y
es1
Yes
73
43%
0.4
5.83
2Y
es1
Yes
Phen
anth
rene
mg/
kg1.
221.29
--
--
0.6
-4
1.2
-6.
61.2
20N
o0
No
75
71%
0.6
6.6
20N
o0
No
Fluo
rant
hene
mg/
kg0.3245
1.29
--
--
0.8
-9.
91
-4
1.2
10N
o0
No
74
57%
0.8
9.9
10N
o0
No
Pyre
nem
g/kg
1.24
1.29
--
--
0.6
-9
1-
4.9
1.2
20N
o0
No
75
71%
0.6
920
No
0N
oB
enzo
(g,h
,i)pe
ryle
nem
g/kg
0.3245
1.29
--
--
0.3
-3.
20.1
-0.
61.2
3Y
es1
Yes
72
29%
0.6
3.2
3Y
es1
Yes
C-P
AH
s (m
g/kg
):B
enzo
(a)a
nthr
acen
em
g/kg
0.3245
1.29
--
--
0.3
-4.
10.
4-
0.9
1.2
9N
o0
No
73
43%
0.4
4.1
9N
o0
No
Chr
ysen
em
g/kg
0.3245
1.29
--
--
0.3
-5.
30.
5-
1.3
1.2
7N
o0
No
73
43%
0.5
5.3
7N
o0
No
Ben
zo(b
)flu
oran
then
em
g/kg
0.3245
1.29
--
--
0.3
-7.
50.
3-
0.9
1.2
8N
o0
No
73
43%
0.3
7.5
8N
o0
No
Ben
zo(k
)flu
oran
then
em
g/kg
0.3245
1.29
--
--
0.3
-2.
30.1
-0.1
1.2
4N
o0
No
71
14%
2.3
2.3
4N
o0
No
Ben
zo(a
)pyr
ene
mg/
kg0.3245
1.29
--
--
0.3
-4.
50.1
-0.
71.2
7N
o0
No
72
29%
0.7
4.5
7N
o0
No
Inde
no(1
,2,3
-cd)
Pyre
nem
g/kg
0.3245
1.29
--
--
0.3
-3.
20.1
-0.
61.2
3Y
es1
Yes
72
29%
0.6
3.2
3Y
es1
Yes
Dib
enzo
(a,h
)ant
hrac
ene
mg/
kg0.3245
1.29
--
--
1.1
-1.
40.1
-0.
31.2
1Y
es4
Yes
72
29%
0.3
1.4
1Y
es4
Yes
Not
es:
1. E
PH =
Ext
ract
able
pet
role
um h
ydro
carb
ons.
VPH
= V
olat
ile p
etro
leum
hyd
roca
rbon
s.
C
OC
= C
hem
ical
of C
once
rn fo
r the
Site
.
PA
Hs =
Pol
ycyc
lic a
rom
atic
hyd
roca
rbon
s.
C
-PA
Hs =
Car
cino
geni
c po
lycy
clic
aro
mat
ic h
ydro
carb
ons (
PAH
s).
Non
C-P
AH
s = N
on-c
arci
noge
nic
poly
cycl
ic a
rom
atic
hyd
roca
rbon
s (PA
Hs)
.
m
g/K
g =
Mill
igra
ms p
er k
ilogr
am.
NE
= N
ot e
stab
lishe
d.
Ita
lics i
ndic
ate
that
ana
lyte
was
not
det
ecte
d ab
ove
labo
rato
ry d
etec
tion
limit.
Val
ue sh
own
is o
ne-h
alf t
he re
porta
ble
dete
ctio
n lim
it.
(-)
= In
dica
tes n
ot a
naly
zed
for.
2. S
ee la
bora
tory
repo
rts fo
r add
ition
al in
form
atio
n.
Mas
sDE
PU
rban
Bac
kgro
und
Con
cent
ratio
n(F
ill S
oil
Con
tain
ing
Ash
)
Site
Max
imum
D
etec
ted
Con
cent
ratio
nA
bove
Bac
kgro
und?
Num
ber
Sam
ples
Abo
ve U
rban
B
ackg
roun
dR
etai
ned
As C
OC
?
Mas
sDE
PU
rban
Bac
kgro
und
Con
cent
ratio
n(F
ill S
oil
Con
tain
ing
Ash
)
Site
Max
imum
D
etec
ted
Con
cent
ratio
nA
bove
Bac
kgro
und?
Num
ber
Sam
ples
Abo
ve U
rban
B
ackg
roun
dR
etai
ned
As C
OC
?
C-5
Hot
Spo
t Are
as E
PCs -
Rev
ised
Fin
al.x
ls/H
ot S
pots
Page
1 o
f 1
APP
EN
DIX
C-6
TA
BL
E 1
Stat
istic
al S
umm
ary
- Sto
ckpi
le S
oil S
ampl
es -
AL
L S
AM
PLE
S ex
cept
hot
spot
s (R
-S1-
C1,
R-S
15-C
1 an
d S2
0-D
4)M
etal
s, PA
Hs,
VO
Cs a
nnd
PCB
sM
BT
A R
eadv
ille
5 Y
ard,
Ded
ham
, MA
Mas
sDE
P IH
200
2 X
RF
Lea
d D
ata
Uni
tsR
owF
2950
Row
G 2
600
Row
G 2
650
Row
G 2
700
Row
G 2
750
Row
H 2
500
Row
H 2
550
Row
H 2
600
Row
H 2
650
Row
H 2
700
Row
H 2
750
Row
H 2
8000
Row
H 2
850
Row
I 250
0R
owI 2
550
Row
I 260
0R
owI 2
650
Row
I 270
0R
owI 2
750
Row
I 280
0R
owI 2
850
Row
I 290
0R
owI 2
950
Row
J 26
00R
owJ
2750
Row
J 28
00R
owJ
2850
Row
J 29
00R
owK
250
0R
owK
255
0R
owK
260
0R
owK
295
0R
owL
295
0R
owM
280
0R
owM
285
0R
owM
290
0R
owM
295
0R
owN
280
0R
owN
285
0R
owP
2600
Row
Q 2
650
Met
als
Ars
enic
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Bar
ium
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Cad
miu
mm
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-C
hrom
ium
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Lead
mg/
kg28
3613
9316
7516
0614
8027
0017
1314
9312
0319
9613
7072
2625
3630
9358
5064
413
8653
495
528
1637
7032
9343
0010
4240
9033
2316
0633
0625
1324
5624
1052
6626
215
134
949
512
131
017
981
610
37M
ercu
rym
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-Se
leni
umm
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-Si
lver
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
TCLP
Lea
dm
g/l
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-
Non
C-P
AH
sN
apht
hale
nem
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-2-
Met
hyln
apht
hale
nem
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-A
cena
phth
ylen
em
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-A
cena
phth
ene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Ant
hrac
ene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Fluo
rene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Phen
anth
rene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Fluo
rant
hene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Pyre
nem
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-B
enzo
(g,h
,i)pe
ryle
nem
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-
C-P
AH
sB
enzo
(a)a
nthr
acen
em
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-C
hrys
ene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Ben
zo(b
)flu
oran
then
em
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-B
enzo
(k)f
luor
anth
ene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Ben
zo(a
)pyr
ene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Inde
no(1
,2,3
-cd)
pyre
nem
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-D
iben
zo(a
,h)a
nthr
acen
em
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-
Oth
er P
AH
sB
enzo
(e)p
yren
em
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-Pe
ryle
nem
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-To
tal P
AH
sm
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-
VO
Cs
Ben
zene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Tolu
ene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Ethy
lben
zene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Tota
l Xyl
enes
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Nap
htha
lene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Tric
hlor
oeth
ene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Tetra
chlo
roet
hene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
n-B
utyl
ben
zene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
sec-
But
yl b
enze
nem
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-Is
opro
pylb
enze
nem
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-p-
Isop
ropy
ltolu
ene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
n-Pr
opyl
benz
ene
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
1,2,
4-Tr
ichl
orob
enze
nem
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-Tr
imet
hylb
enze
nem
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-
PCB
sTo
tal P
CB
sm
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-
EPH
C9-
C18
Alip
hatic
sm
g/kg
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-C
19-C
36 A
lipha
tics
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Una
djus
ted
C11
-C22
Aro
mat
ics
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
C11
-C22
Aro
mat
ics
mg/
kg-
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
NO
TE
S:O
nly
resu
lts a
naly
tes r
etai
ned
as C
OC
s are
show
n. R
efer
to P
hase
II r
epor
t for
dis
cuss
ion
of C
OC
sele
ctio
n.m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
CO
C- C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
PAH
= P
olyc
lycl
ic A
rom
atic
Hyd
roca
rbon
s.C
-PA
H =
Car
cino
geni
c PA
Hs.
Non
C-P
AH
= N
on-c
arci
noge
nic
PAH
s.PC
Bs =
Pol
ychl
orin
ated
bip
heny
ls.
VO
Cs =
Vol
atile
Org
anic
Com
poun
ds.
UC
L - U
pper
Con
fiden
ce L
imit.
Italic
s ind
icat
e th
at a
naly
te w
as n
ot d
etec
ted
abov
e la
bora
tory
det
ectio
n lim
it. V
alue
show
n is
one
-hal
f the
repo
rtabl
e de
tect
ion
limit.
C-6
Sto
ckpi
les -
Rev
ised
Fin
al.x
ls/T
1 A
ll sa
mpl
esP
age
1 of
4
APP
EN
DIX
C-6
TA
BL
E 1
Stat
istic
al S
umm
ary
- Sto
ckpi
le S
oil S
ampl
es -
AL
L S
AM
PLE
S ex
cept
hot
spot
s (R
-S1-
C1,
R-S
15-C
1 an
d S2
0-D
4)M
etal
s, PA
Hs,
VO
Cs a
nnd
PCB
sM
BT
A R
eadv
ille
5 Y
ard,
Ded
ham
, MA
Uni
tsM
etal
sA
rsen
icm
g/kg
Bar
ium
mg/
kgC
adm
ium
mg/
kgC
hrom
ium
mg/
kgLe
adm
g/kg
Mer
cury
mg/
kgSe
leni
umm
g/kg
Silv
erm
g/kg
TCLP
Lea
dm
g/l
Non
C-P
AH
sN
apht
hale
nem
g/kg
2-M
ethy
lnap
htha
lene
mg/
kgA
cena
phth
ylen
em
g/kg
Ace
naph
then
em
g/kg
Ant
hrac
ene
mg/
kgFl
uore
nem
g/kg
Phen
anth
rene
mg/
kgFl
uora
nthe
nem
g/kg
Pyre
nem
g/kg
Ben
zo(g
,h,i)
pery
lene
mg/
kg
C-P
AH
sB
enzo
(a)a
nthr
acen
em
g/kg
Chr
ysen
em
g/kg
Ben
zo(b
)flu
oran
then
em
g/kg
Ben
zo(k
)flu
oran
then
em
g/kg
Ben
zo(a
)pyr
ene
mg/
kgIn
deno
(1,2
,3-c
d)py
rene
mg/
kgD
iben
zo(a
,h)a
nthr
acen
em
g/kg
Oth
er P
AH
sB
enzo
(e)p
yren
em
g/kg
Pery
lene
mg/
kgTo
tal P
AH
sm
g/kg
VO
Cs
Ben
zene
mg/
kgTo
luen
em
g/kg
Ethy
lben
zene
mg/
kgTo
tal X
ylen
esm
g/kg
Nap
htha
lene
mg/
kgTr
ichl
oroe
then
em
g/kg
Tetra
chlo
roet
hene
mg/
kgn-
But
yl b
enze
nem
g/kg
sec-
But
yl b
enze
nem
g/kg
Isop
ropy
lben
zene
mg/
kgp-
Isop
ropy
ltolu
ene
mg/
kgn-
Prop
ylbe
nzen
em
g/kg
1,2,
4-Tr
ichl
orob
enze
nem
g/kg
Trim
ethy
lben
zene
mg/
kg
PCB
sTo
tal P
CB
sm
g/kg
EPH
C9-
C18
Alip
hatic
sm
g/kg
C19
-C36
Alip
hatic
sm
g/kg
Una
djus
ted
C11
-C22
Aro
mat
ics
mg/
kgC
11-C
22 A
rom
atic
sm
g/kg
Wes
ton
& S
amps
on, 2
002
Ear
th T
ech,
200
8
R-S
2-C
1R
-S3-
C1
R-S
4-C
1R
-S4-
C2
R-S
5-C
1R
-S5-
C2
R-S
5-C
3R
-S6-
C1
R-S
6-C
2R
-S7-
C1
R-S
8-C
4R
-S8-
C5
R-S
8-C
6R
-S8-
C7
R-S
8-C
8R
-S8-
C9
R-S
8-C
10R
-S8-
C12
R-S
9-C
1R
-S10
-C3
R-S
11-C
1R
-S12
-C1
R-S
13-C
1R
-S14
-C1
S03-
A-1
S03-
A-2
S04-
A-1
S04-
A-2
S04-
A-3
S04-
A-4
S05-
A-1
S05-
A-2
S05-
A-3
S05-
A-4
S05-
B-1
S05-
B-2
S05-
B-3
S05-
B-4
S05-
C-1
S05-
C-2
S05-
C-3
S06-
A-1
S06-
A-2
S06-
A-3
S06-
A-4
S06-
B-1
S06-
B-2
3.6
219.
611
912
6.5
4020
1622
1514
1932
2221
1227
6.2
1617
104.
716
.714
.424
.627
.929
.427
.37.
27.
97.
918.
9310
.511
.310
.110
.56.
238.
028.
0411
.510
.913
.514
.620
.422
.960
6648
4433
5232
7270
220
310
330
300
700
770
630
490
290
250
7039
077
6225
--
--
--
--
--
--
--
--
--
--
--
-0.21
0.69
0.22
0.48
0.205
0.46
0.21
0.75
0.79
1.2
5.9
4.3
3.9
1212
1116
4.9
0.57
0.64
3.8
0.76
0.68
0.21
--
--
--
--
--
--
--
--
--
--
--
-12
1112
1215
1415
2115
3244
3540
6510
011
011
034
1611
3418
216
--
--
--
--
--
--
--
--
--
--
--
-11
038
019
024
012
022
013
063
048
025
0050
0013
001,
400
3600
12,0
005,
200
3,00
01,
600
3100
340
1400
280
350
5439
243
117
935
654
153
620
423
625
625
425
326
223
120
211
618
112
123
915
032
224
145
361
20.
160.
130.
180.
190.
290.
170.
090.
130.
290.
180.
854.
70.
921.
11.
44
20.
810.
120.
110.
330.
220.
190.04
--
--
--
--
--
--
--
--
--
--
--
-0.42
0.42
0.445
0.435
0.415
0.425
0.42
0.48
0.42
0.43
0.55
1.15
1.15
1.25
2.6
2.45
2.2
0.415
0.47
0.415
0.43
0.44
0.435
0.415
--
--
--
--
--
--
--
--
--
--
--
-0.21
0.21
0.22
0.22
0.205
0.21
0.21
0.24
0.21
0.47
1.2
0.94
12.
42.6
2.45
2.2
10.235
0.205
0.74
0.22
0.215
0.21
--
--
--
--
--
--
--
--
--
--
--
-
0.25
0.53
0.65
0.25
0.25
0.25
0.25
0.25
0.69
3.2
3.6
1.5
0.89
1.3
2.9
4.3
2.8
4.7
200.
513
0.25
0.25
-0.
295
0.21
40.
280.
328
0.74
60.
467
0.28
30.
181
0.72
60.
187
1.86
0.30
80.
164
0.16
50.
129
0.06
60.
128
0.12
80.
106
0.94
40.
259
0.33
10.
647
0.550
0.130
0.550
0.550
0.500
0.265
0.550
0.600
0.550
0.550
1.700
0.550
0.600
0.650
0.650
0.600
0.550
0.650
0.300
0.50
0.55
0.55
0.55
0.50
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.15
0.1
0.15
0.15
0.1
0.1
0.1
0.15
0.15
0.1
0.1
0.1
0.1
0.850
0.850
0.900
0.900
0.850
0.425
0.850
1.000
0.850
0.850
2.750
0.900
0.950
1.000
1.050
1.000
0.900
1.1
0.475
0.85
0.85
0.90
0.90
0.85
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.15
0.1
0.15
0.15
0.1
0.1
0.1
0.15
0.15
0.1
0.1
0.2
0.1
0.550
0.550
1.8
0.550
0.500
0.265
0.550
0.600
0.550
0.550
1.700
0.550
3.1
0.650
0.650
0.600
0.550
1.7
0.300
0.50
0.55
0.55
0.55
0.50
0.1
0.1
0.5
0.5
0.3
0.3
0.3
0.3
0.2
0.3
0.15
0.3
0.15
0.15
0.1
0.3
0.3
0.15
0.15
0.1
0.1
0.3
0.2
0.550
0.650
0.550
0.550
0.500
0.265
0.550
0.600
0.550
0.550
1.700
0.550
0.600
0.650
0.650
0.600
0.550
0.500
0.300
0.50
0.55
0.55
0.55
0.55
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.3
0.1
0.3
0.3
0.1
0.1
0.1
0.15
0.15
0.1
0.1
0.1
0.1
0.550
0.550
2.1
1.3
0.500
0.78
0.550
0.600
0.550
0.550
1.700
1.5
3.3
0.650
0.650
1.7
1.9
3.9
0.300
0.50
1.2
1.3
0.55
0.50
0.1
0.1
0.4
0.5
0.4
0.3
0.6
0.5
0.3
0.3
0.4
0.5
0.6
0.4
0.2
0.3
0.3
0.15
0.15
0.1
0.2
0.6
0.2
0.550
0.550
0.550
0.550
0.500
0.265
0.550
0.600
0.550
0.550
1.700
0.550
0.600
0.650
0.650
0.600
0.550
0.500
0.300
0.50
0.55
0.55
0.55
0.50
0.1
0.1
0.1
0.1
0.1
0.1
0.3
0.1
0.1
0.1
0.15
0.2
0.15
0.15
0.1
0.1
0.1
0.15
0.15
0.1
0.1
0.2
0.1
0.550
0.550
7.5
5.3
0.500
2.1
0.550
0.600
20.550
3.5
2.7
4.1
2.8
2.6
5.9
3.3
121.
30.50
2.1
2.2
0.55
0.50
0.3
0.2
1.1
1.2
20.
92.
21.
70.
90.
91.
41.
92.
41.
30.
40.
50.
60.
91
0.6
0.6
1.8
0.7
32.
412
82.
84.
81.
51.
93.
72.
66.
26.
814
5.9
5.5
1211
212.
11.
66.
45.
60.55
1.8
0.8
0.5
4.1
54.
72.
94.
23.
52.
42.
52.
83.
74.
32.
81.
52.
12.
42.
12.
41.
51.
64.
12.
12.
92.
312
8.1
2.6
4.1
1.5
1.8
3.2
2.2
1.700
5.9
135.
44.
711
9.5
201.
71.
46
5.3
0.55
1.9
0.8
0.5
4.1
5.2
4.6
3.2
3.9
3.4
2.4
2.4
2.7
3.6
4.4
2.7
1.6
2.4
2.7
2.1
2.3
1.5
1.6
3.6
1.9
1.5
0.55
3.4
2.2
1.2
1.3
0.550
0.60
1.1
0.55
1.700
2.6
5.4
2.1
1.6
3.2
2.5
4.6
0.7
0.50
21.
80.55
0.50
0.3
0.1
1.3
1.4
11.
21.
21.
21
0.9
0.8
1.2
1.4
0.7
0.9
1.1
1.4
11
0.5
0.6
0.8
0.5
1.8
1.8
6.3
3.7
1.5
2.1
0.550
0.60
1.7
1.1
1.700
3.6
7.3
3.3
2.8
5.6
5.7
8.8
10.50
3.1
2.5
0.55
0.50
0.4
0.3
1.9
2.1
1.7
1.7
21.
81.
31.
31.
31.
82.
11.
31
1.5
1.7
1.1
1.3
0.8
0.9
1.6
0.9
2.1
27.
44.
31.
82.
40.550
1.4
2.1
1.6
4.3
4.3
8.6
3.8
3.1
6.3
6.1
101.
30.50
4.2
3.3
0.55
1.3
0.6
0.4
2.4
2.7
2.3
2.2
2.2
2.1
1.6
1.5
1.5
2.1
2.4
1.5
1.1
1.6
1.8
1.3
1.5
11.
12
1.2
2.2
1.9
6.1
3.3
1.9
2.1
1.2
1.4
1.9
1.5
44.
18.
63.
52.
85.
65
9.9
1.2
0.50
3.6
3.2
0.55
10.
80.
63.
74.
63.
12.
83
2.9
2.3
2.2
22.
73
21.
82.
63
22.
41.
41.
42.
41.
52.
11.
85.
73.
51.
62
0.550
1.3
1.7
1.2
1.700
3.8
7.3
3.7
2.5
4.9
4.8
7.4
10.50
3.7
2.7
0.55
1.2
0.3
0.1
1.4
1.6
1.1
11
10.
80.
80.
80.
91.
20.
70.
70.
91.
10.
70.
80.
50.
60.
90.
62
1.5
4.8
3.3
1.5
1.9
0.550
0.60
1.4
1.1
1.700
3.4
6.7
3.3
2.3
54.
27.
30.
90.50
2.9
2.3
0.55
1.1
0.4
0.3
22.
41.
71.
61.
91.
91.
41.
31.
31.
72
1.2
1.1
1.5
1.8
11.
20.
80.
81.
30.
81.
60.55
3.5
2.2
1.1
1.2
0.550
0.60
1.1
0.550
1.700
2.5
4.9
2.1
1.6
32.
747
0.7
0.50
1.9
1.8
0.55
0.50
0.3
0.1
1.3
1.5
11.
11.
51.
41.
11.
10.
91.
21.
30.
81
1.2
1.5
0.9
10.
60.
61
0.6
0.550
0.550
1.2
0.550
0.50
0.265
0.550
0.60
0.550
0.550
1.700
0.55
1.6
0.65
0.650
0.600
0.550
1.6
0.30
0.50
0.55
0.55
0.55
0.50
0.1
0.1
0.3
0.4
0.3
0.4
0.4
0.4
0.3
0.3
0.15
0.4
0.5
0.15
0.3
0.4
0.4
0.4
0.3
0.1
0.2
0.3
0.1
1.7
1.4
4.5
2.7
1.3
1.5
0.55
0.60
1.4
0.55
0.17
32
2.6
23.
83.
56.
10.
80.50
2.6
2.2
0.55
0.50
--
--
--
--
--
--
--
--
--
--
--
-0.550
0.550
1.2
0.550
0.50
0.265
0.55
0.60
0.550
0.550
0.17
0.55
60.65
0.650
1.3
0.550
20.30
0.50
0.55
0.55
0.55
0.50
--
--
--
--
--
--
--
--
--
--
--
-15
1241
2412
146
812
917
2653
2418
3633
100
85
2319
57
32
1315
1111
1212
99
811
138
710
117
95
610
6
0.06
10.026
0.032
0.035
0.0285
0.033
0.032
0.0245
0.345
0.0495
0.07
0.0405
0.048
0.042
0.0495
0.0415
0.034
0.029
0.035
0.0285
0.365
0.0405
0.0295
0.0285
--
--
--
--
--
--
--
--
--
--
--
-0.
10.039
0.1
0.055
0.043
0.05
0.048
0.0365
0.11
0.075
0.105
0.06
0.07
0.06
0.075
0.06
0.05
0.0435
0.05
0.12
0.055
0.55
0.044
0.0425
--
--
--
--
--
--
--
--
--
--
--
-0.0295
0.026
0.032
0.035
0.0285
0.033
0.032
0.0245
0.345
0.0495
0.07
0.0405
0.048
0.042
0.0495
0.0415
0.034
0.029
0.035
0.0285
0.365
0.11
0.0295
0.0285
--
--
--
--
--
--
--
--
--
--
--
-0.
061
0.026
0.08
90.035
0.0285
0.033
0.032
0.0245
0.09
10.0495
0.07
0.0405
0.048
0.042
0.0495
0.0415
0.034
0.029
0.035
0.08
30.
095
0.84
0.0295
0.0285
--
--
--
--
--
--
--
--
--
--
--
-0.
630.13
0.78
0.18
0.14
0.165
0.16
0.12
0.67
0.25
0.355
0.74
3.3
0.91
0.25
0.75
0.17
0.145
0.175
0.145
0.185
0.20
0.145
0.14
--
--
--
--
--
--
--
--
--
--
--
-0.0295
0.026
0.032
0.14
0.0285
0.033
0.032
0.0245
0.345
0.0495
0.07
0.0405
0.048
0.042
0.0495
0.0415
0.034
0.029
0.035
0.0285
0.365
0.0405
0.0295
0.0285
--
--
--
--
--
--
--
--
--
--
--
-0.0295
0.026
0.032
0.035
0.0285
0.033
0.032
0.0245
0.345
0.0495
0.62
0.0405
0.048
0.042
0.0495
0.0415
0.034
0.029
0.035
0.0285
0.365
0.0405
0.0295
0.0285
--
--
--
--
--
--
--
--
--
--
--
-0.0295
0.026
0.032
0.035
0.0285
0.033
0.032
0.0245
0.345
0.0495
0.07
0.0405
0.048
0.042
0.0495
0.0415
0.034
0.029
0.035
0.0285
0.365
0.0405
0.0295
0.0285
--
--
--
--
--
--
--
--
--
--
--
-0.0295
0.026
0.032
0.035
0.0285
0.033
0.032
0.0245
0.345
0.0495
0.07
0.0405
0.048
0.042
0.0495
0.0415
0.034
0.029
0.035
0.0285
0.365
0.0405
0.0295
0.0285
--
--
--
--
--
--
--
--
--
--
--
-0.0295
0.026
0.032
0.035
0.0285
0.033
0.032
0.0245
0.345
0.0495
0.07
0.0405
0.048
0.042
0.0495
0.0415
0.034
0.029
0.035
0.0285
0.365
0.0405
0.0295
0.0285
--
--
--
--
--
--
--
--
--
--
--
-0.0295
0.026
0.032
0.035
0.0285
0.033
0.032
0.0245
0.345
0.0495
0.07
0.0405
0.048
0.042
0.0495
0.0415
0.034
0.029
0.035
0.0285
0.365
0.0405
0.0295
0.0285
--
--
--
--
--
--
--
--
--
--
--
-0.0295
0.026
0.032
0.035
0.0285
0.033
0.032
0.0245
0.345
0.0495
0.07
0.0405
0.048
0.042
0.0495
0.0415
0.034
0.029
0.035
0.0285
0.365
0.0405
0.0295
0.0285
--
--
--
--
--
--
--
--
--
--
--
-0.145
0.13
0.61
0.18
0.14
0.165
0.16
0.12
0.175
0.25
0.355
0.205
0.24
0.21
0.25
0.205
0.17
0.145
0.175
0.145
0.185
0.20
0.145
0.14
--
--
--
--
--
--
--
--
--
--
--
-0.145
0.13
0.16
0.18
0.14
0.165
0.16
0.12
0.175
0.25
0.355
0.205
0.24
0.21
0.25
0.205
0.17
0.145
0.175
0.145
0.185
0.20
0.145
0.14
--
--
--
--
--
--
--
--
--
--
--
-
0.1075
0.1065
9.5
3.9
1.1
0.3
0.1065
0.122
0.1065
0.1085
0.137
0.115
0.93
0.128
24.2
2.9
2.2
2.2
0.119
0.104
0.1085
0.111
0.11
0.105
--
--
--
--
--
--
--
--
--
--
--
-
--
--
--
--
--
--
--
--
--
-15.9
15.65
15.55
15.55
16.7
16.5
15.55
15.75
15.65
15.6
32.2
16.3
33.05
31.95
15.75
15.75
15.95
31.75
31.55
15.9
1616
15.75
--
--
--
--
--
--
--
--
--
-31
.915.65
15.55
38.9
37.4
16.5
15.55
70.7
15.65
31.2
117
38.2
69.6
69.3
15.75
42.9
40.2
8273
.233
.741
.542
.432
.2-
--
--
--
--
--
--
--
--
--
76.6
57.5
112
141
140
108
104
153
97.2
91.6
165
130
199
170
94.4
114
122
179
169
81.9
9612
289
.3-
--
--
--
--
--
--
--
--
--
71.1
54.2
86.7
112
115
88.6
79.1
131
8175
.414
910
817
315
482
.597
.210
316
615
471
.585
.610
077
.5
NO
TE
S:O
nly
resu
lts a
naly
tes r
etai
ned
as C
OC
s are
show
n. R
efer
to P
hase
II r
epor
t for
dis
cuss
ion
of C
OC
sele
ctio
n.m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
CO
C- C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
PAH
= P
olyc
lycl
ic A
rom
atic
Hyd
roca
rbon
s.C
-PA
H =
Car
cino
geni
c PA
Hs.
Non
C-P
AH
= N
on-c
arci
noge
nic
PAH
s.PC
Bs =
Pol
ychl
orin
ated
bip
heny
ls.
VO
Cs =
Vol
atile
Org
anic
Com
poun
ds.
UC
L - U
pper
Con
fiden
ce L
imit.
Italic
s ind
icat
e th
at a
naly
te w
as n
ot d
etec
ted
abov
e la
bora
tory
det
ectio
n lim
it. V
alue
show
n is
one
-hal
f the
repo
rtabl
e de
tect
ion
limit.
C-6
Sto
ckpi
les -
Rev
ised
Fin
al.x
ls/T
1 A
ll sa
mpl
esP
age
2 of
4
APP
EN
DIX
C-6
TA
BL
E 1
Stat
istic
al S
umm
ary
- Sto
ckpi
le S
oil S
ampl
es -
AL
L S
AM
PLE
S ex
cept
hot
spot
s (R
-S1-
C1,
R-S
15-C
1 an
d S2
0-D
4)M
etal
s, PA
Hs,
VO
Cs a
nnd
PCB
sM
BT
A R
eadv
ille
5 Y
ard,
Ded
ham
, MA
Uni
tsM
etal
sA
rsen
icm
g/kg
Bar
ium
mg/
kgC
adm
ium
mg/
kgC
hrom
ium
mg/
kgLe
adm
g/kg
Mer
cury
mg/
kgSe
leni
umm
g/kg
Silv
erm
g/kg
TCLP
Lea
dm
g/l
Non
C-P
AH
sN
apht
hale
nem
g/kg
2-M
ethy
lnap
htha
lene
mg/
kgA
cena
phth
ylen
em
g/kg
Ace
naph
then
em
g/kg
Ant
hrac
ene
mg/
kgFl
uore
nem
g/kg
Phen
anth
rene
mg/
kgFl
uora
nthe
nem
g/kg
Pyre
nem
g/kg
Ben
zo(g
,h,i)
pery
lene
mg/
kg
C-P
AH
sB
enzo
(a)a
nthr
acen
em
g/kg
Chr
ysen
em
g/kg
Ben
zo(b
)flu
oran
then
em
g/kg
Ben
zo(k
)flu
oran
then
em
g/kg
Ben
zo(a
)pyr
ene
mg/
kgIn
deno
(1,2
,3-c
d)py
rene
mg/
kgD
iben
zo(a
,h)a
nthr
acen
em
g/kg
Oth
er P
AH
sB
enzo
(e)p
yren
em
g/kg
Pery
lene
mg/
kgTo
tal P
AH
sm
g/kg
VO
Cs
Ben
zene
mg/
kgTo
luen
em
g/kg
Ethy
lben
zene
mg/
kgTo
tal X
ylen
esm
g/kg
Nap
htha
lene
mg/
kgTr
ichl
oroe
then
em
g/kg
Tetra
chlo
roet
hene
mg/
kgn-
But
yl b
enze
nem
g/kg
sec-
But
yl b
enze
nem
g/kg
Isop
ropy
lben
zene
mg/
kgp-
Isop
ropy
ltolu
ene
mg/
kgn-
Prop
ylbe
nzen
em
g/kg
1,2,
4-Tr
ichl
orob
enze
nem
g/kg
Trim
ethy
lben
zene
mg/
kg
PCB
sTo
tal P
CB
sm
g/kg
EPH
C9-
C18
Alip
hatic
sm
g/kg
C19
-C36
Alip
hatic
sm
g/kg
Una
djus
ted
C11
-C22
Aro
mat
ics
mg/
kgC
11-C
22 A
rom
atic
sm
g/kg
Ear
th T
ech,
200
8
S06-
B-3
S07-
A-1
S07-
A-2
S07-
A-3
S07-
B-1
S07-
B-2
S07-
B-3
S08-
A-1
S08-
A-2
S08-
A-3
S09-
A-1
S09-
A-2
S09-
B-1
S10-
A-1
S10-
A-2
S10-
A-3
S10-
A-4
S10-
B-1
S10-
B-2
S10-
B-3
S10-
C-1
S10-
C-2
S10-
C-3
S09-
B-2
S16-
A-1
S16-
A-2
S16-
B-1
S16-
B-2
S16-
C-1
S16-
C-2
S16-
D-1
S16-
D-2
S16-
E-1
S16-
E-2
S16-
F-1
S16-
F-2
S17-
A-1
S17-
A-2
S17-
A-3
S18-
A-1
S18-
A-2
S18-
A-3
S19-
A-1
S19-
A-2
S20-
A-1
S20-
A-2
S20-
A-3
S20-
A-4
S20-
B-1
S20-
B-2
21.6
21.8
16.7
2122
.414
.919
.117
.923
.213
.841
.643
.524
.515
.316
22.9
15.5
8.88
9.28
11.6
13.2
13.6
14.5
23.4
33.4
3624
.320
.618
.417
.524
.120
.531
.919
.513
.914
.823
.716
.615
.320
.828
.620
.116
.521
.223
23.5
15.8
29.1
17.8
15.7
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
469
228
192
1350
496
267
395
4110
1670
1090
3500
3520
7220
1290
3540
1340
1110
590
1730
710
1350
1160
2260
3510
3390
7830
1270
987
793
1050
1310
1300
1200
1080
1110
2220
3420
2120
2240
1250
1520
2390
2080
2100
8180
2980
1480
1760
1880
1720
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
0.74
40.
060.
447
1.42
0.10
60.
216
0.60
79.
61.
870.
583
3.98
6.61
11.3
1.48
1.29
2.54
1.12
4.23
3.43
31.8
0.18
32.
431.
2311
.83.
791.
711.
850.
867
1.38
1.25
1.96
1.87
3.97
1.59
2.06
1.77
6.03
2.34
3.86
1.71
4.86
34.4
3.45
3.46
2.57
11.9
3.64
1.87
1.27
2.01
0.1
0.5
0.55
0.3
4.6
0.3
0.3
0.4
0.3
0.5
0.4
0.3
0.2
0.3
0.3
0.3
0.3
0.55
0.55
0.6
0.25
0.3
0.3
0.2
0.3
0.2
0.2
0.3
0.2
0.2
20.
30.1
0.1
0.5
0.3
0.4
0.3
0.4
0.1
0.3
0.5
0.5
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.1
0.5
0.55
0.4
1.2
0.3
0.6
0.4
0.3
0.5
0.3
0.2
0.2
0.3
0.3
0.3
0.3
0.55
0.55
0.6
0.25
0.3
0.3
0.2
0.3
0.2
0.2
0.3
0.2
0.2
0.8
0.3
0.1
0.1
0.5
0.4
0.4
0.3
0.4
0.1
0.3
0.4
0.6
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.2
1.1
1.5
0.3
3.3
1.9
2.5
0.5
0.5
10.
50.
60.
31
0.9
0.3
0.3
0.55
0.55
0.6
0.6
0.6
0.3
0.2
0.7
0.5
0.4
0.5
0.4
0.4
0.5
0.4
0.4
0.2
10.
90.
40.
70.
70.
30.
80.
40.
90.
40.3
0.3
0.3
0.3
0.3
0.6
0.1
0.1
0.55
0.1
0.6
0.3
0.6
0.1
0.1
0.1
0.1
0.1
0.1
0.3
0.3
0.3
0.3
0.55
0.55
0.6
0.25
0.3
0.3
0.1
0.2
0.1
0.1
0.1
0.1
0.1
2.5
0.3
0.1
0.1
0.1
0.15
0.1
0.1
0.1
0.1
0.3
0.1
0.5
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.2
1.2
1.6
0.2
6.4
2.8
4.1
0.5
0.7
0.9
0.6
0.7
0.4
2.3
0.8
0.3
0.3
0.55
0.55
1.2
0.5
0.3
0.3
0.3
0.9
0.5
0.4
0.6
0.4
0.5
4.8
1.1
0.4
11.
20.
70.
30.
60.
60.
40.
70.
50.
80.
30.
70.3
0.8
0.3
1.2
0.8
0.1
0.4
0.55
0.2
1.6
1.2
2.4
0.3
0.4
0.4
0.2
0.2
0.2
0.6
0.3
0.3
0.3
0.55
0.55
0.6
0.25
0.3
0.3
0.1
0.6
0.3
0.2
0.3
0.2
0.3
2.9
0.5
0.2
0.3
0.4
0.2
0.1
0.2
0.3
0.1
0.3
0.2
0.25
0.2
0.3
0.3
0.3
0.3
0.6
0.3
0.8
3.2
2.7
1.1
12.1
10.6
17.1
1.7
2.7
2.5
1.9
2.4
1.5
7.7
1.7
1.3
1.4
0.55
0.55
1.2
1.4
1.5
1.7
14.
42
1.3
2.4
1.4
1.9
34.5
51.
53.
72.
62.
11
1.5
1.9
1.1
21.
92.
11.
12.
70.
93.
11.
36.
33.
71.
512
.313
.32.
527
.827
29.6
4.9
5.1
9.7
5.5
6.7
4.1
24.8
8.5
5.6
5.7
2.7
3.2
5.5
7.1
6.3
62.
38.
55.
33.
95.
63.
54.
340
.18.
24.
15.
311
.47.
12.
95
5.9
3.2
54.
45.
13
6.2
2.6
5.8
2.4
11.4
81.
412
.412
.82.
622
.124
.826
.24.
84.
88.
85.
36.
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126
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15.
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16.
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47.
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13.
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43.
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336
83.
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.56.
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25.
14.
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16.
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.57.
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63.
76.
71.
31.
32.
31.
41.
61.
15.
72.
91.
41.
40.55
0.55
1.6
1.7
1.7
1.7
0.8
1.9
1.4
1.1
1.4
1.2
1.2
6.7
21.
11
2.4
2.2
0.9
1.5
1.6
0.9
21.
22
0.9
1.9
0.9
1.6
0.7
2.8
2.4
0.7
5.5
4.8
111
.79.
713
.41.
81.
83.
62.
33.
32.
212
.94.
62.
72.
71.
51.
73
2.6
32.
71.
23.
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11.
62.
11.
72.
213
.33.
62
2.3
5.1
2.8
1.3
22.
31.
22.
91.
92.
81.
43
1.3
2.7
1.2
4.5
3.6
0.9
6.5
5.6
1.4
1410
.814
.52.
62.
44.
42.
83.
82.
615
.45.
83.
43.
61.
82.
13.
63.
63.
93.
61.
54.
72.
82.
12.
72.
22.
715
.84.
32.
42.
85.
93.
71.
62.
52.
91.
73.
42.
53.
51.
73.
61.
63.
31.
65.
74.
51.
17.
58.
52.
115
.815
16.5
4.1
3.8
7.2
4.7
4.9
3.2
20.2
7.6
4.3
4.4
2.5
2.8
4.9
5.6
5.1
4.4
2.1
64.
43.
54.
23
3.5
16.7
5.4
3.1
3.3
7.7
6.5
2.5
45
2.6
5.2
44.
72.
94.
52.
13.
91.
96.
95.
70.
52.
92.
90.
85.
35.
66.
81.
41.
52.
81.
52
1.2
7.1
2.9
1.6
1.5
0.55
0.55
1.9
1.9
1.8
1.5
0.7
2.1
1.8
1.4
1.3
1.1
1.2
6.2
1.9
1.2
1.2
2.8
2.3
11.
61.
81.
11.
71.
31.
71
1.5
0.8
1.4
0.7
2.5
2.1
0.6
3.6
4.3
1.1
7.1
7.8
9.7
2.1
2.1
3.6
2.5
2.8
1.8
9.5
42.
32.
20.55
0.55
2.4
2.9
2.6
2.3
1.2
3.2
2.3
1.8
2.2
1.6
1.9
11.3
3.3
1.8
1.9
43.
11.
42.
12.
41.
42.
52.
12.
51.
62.
61.
22.
21.
14.
13.
30.
42.
72.
70.
75.
54.
27.
31.
41.
42.
51.
62
1.5
7.2
2.7
1.4
1.4
0.55
0.55
1.6
1.9
1.9
1.6
0.8
2.2
1.5
1.2
1.5
1.4
1.7
8.4
2.7
1.2
1.5
32.
20.
91.
51.
70.
81.
91.
31.
90.5
1.8
0.8
1.5
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32.
50.1
0.8
0.55
0.2
2.4
12.
70.
50.
40.
60.
40.
60.
52
0.3
0.3
0.3
0.55
0.55
0.6
0.5
0.6
0.3
0.1
0.7
0.4
0.3
0.4
0.6
0.5
2.1
0.8
0.4
0.5
0.9
0.6
0.3
0.4
0.5
0.3
0.8
0.4
0.25
0.3
0.6
0.3
0.3
0.3
0.9
0.7
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
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--
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--
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--
--
--
--
--
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--
--
--
430
297
6254
7114
1325
1619
1374
2816
168
918
1919
168
2315
1214
1214
7422
1214
2921
914
179
1814
179
188
158
2822
--
--
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15.7
16.15
163.5
15.75
79.5
16.15
8216
1616.2
16.2
16.3
15.75
8686
8685
159.5
160.5
165.5
67.5
88.5
85.5
15.8
15.7
15.7
15.95
15.65
15.45
15.5
15.45
15.5
15.45
15.45
17.3
3416.65
16.6
16.95
17.5
82.5
17.15
69.5
32.2
8685.5
87.5
8482.5
8133
.653
.916
3.5
15.75
79.5
16.15
8214
750
.374
.516.2
16.3
43.5
8686
8685
159.5
160.5
165.5
67.5
88.5
85.5
52.5
35.2
32.5
15.95
15.65
3440
.752
.254
.612
250
.464
.310
754
.659
.791
.777
.629
362
.115
533.65
8685.5
87.5
8482.5
8196
.224
938
910
051
954
852
819
615
823
815
313
312
749
833
823
322
334
334
4165.5
192
252
251
115
195
155
124
148
139
148
447
175
144
148
249
257
139
170
205
151
386
146
326
143
232
171
214
168
179
226
8718
632
885
372
422
368
167
129
186
121
95.1
102
354
287
203
193
331
329
165.5
155
216
219
99.6
147
124
100
116
116
121
243
127
120
117
189
215
120
141
171
132
353
118
291
124
197
171
182
168
165
180
NO
TE
S:O
nly
resu
lts a
naly
tes r
etai
ned
as C
OC
s are
show
n. R
efer
to P
hase
II r
epor
t for
dis
cuss
ion
of C
OC
sele
ctio
n.m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
CO
C- C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
PAH
= P
olyc
lycl
ic A
rom
atic
Hyd
roca
rbon
s.C
-PA
H =
Car
cino
geni
c PA
Hs.
Non
C-P
AH
= N
on-c
arci
noge
nic
PAH
s.PC
Bs =
Pol
ychl
orin
ated
bip
heny
ls.
VO
Cs =
Vol
atile
Org
anic
Com
poun
ds.
UC
L - U
pper
Con
fiden
ce L
imit.
Italic
s ind
icat
e th
at a
naly
te w
as n
ot d
etec
ted
abov
e la
bora
tory
det
ectio
n lim
it. V
alue
show
n is
one
-hal
f the
repo
rtabl
e de
tect
ion
limit.
C-6
Sto
ckpi
les -
Rev
ised
Fin
al.x
ls/T
1 A
ll sa
mpl
esP
age
3 of
4
APP
EN
DIX
C-6
TA
BL
E 1
Stat
istic
al S
umm
ary
- Sto
ckpi
le S
oil S
ampl
es -
AL
L S
AM
PLE
S ex
cept
hot
spot
s (R
-S1-
C1,
R-S
15-C
1 an
d S2
0-D
4)M
etal
s, PA
Hs,
VO
Cs a
nnd
PCB
sM
BT
A R
eadv
ille
5 Y
ard,
Ded
ham
, MA
Uni
tsM
etal
sA
rsen
icm
g/kg
Bar
ium
mg/
kgC
adm
ium
mg/
kgC
hrom
ium
mg/
kgLe
adm
g/kg
Mer
cury
mg/
kgSe
leni
umm
g/kg
Silv
erm
g/kg
TCLP
Lea
dm
g/l
Non
C-P
AH
sN
apht
hale
nem
g/kg
2-M
ethy
lnap
htha
lene
mg/
kgA
cena
phth
ylen
em
g/kg
Ace
naph
then
em
g/kg
Ant
hrac
ene
mg/
kgFl
uore
nem
g/kg
Phen
anth
rene
mg/
kgFl
uora
nthe
nem
g/kg
Pyre
nem
g/kg
Ben
zo(g
,h,i)
pery
lene
mg/
kg
C-P
AH
sB
enzo
(a)a
nthr
acen
em
g/kg
Chr
ysen
em
g/kg
Ben
zo(b
)flu
oran
then
em
g/kg
Ben
zo(k
)flu
oran
then
em
g/kg
Ben
zo(a
)pyr
ene
mg/
kgIn
deno
(1,2
,3-c
d)py
rene
mg/
kgD
iben
zo(a
,h)a
nthr
acen
em
g/kg
Oth
er P
AH
sB
enzo
(e)p
yren
em
g/kg
Pery
lene
mg/
kgTo
tal P
AH
sm
g/kg
VO
Cs
Ben
zene
mg/
kgTo
luen
em
g/kg
Ethy
lben
zene
mg/
kgTo
tal X
ylen
esm
g/kg
Nap
htha
lene
mg/
kgTr
ichl
oroe
then
em
g/kg
Tetra
chlo
roet
hene
mg/
kgn-
But
yl b
enze
nem
g/kg
sec-
But
yl b
enze
nem
g/kg
Isop
ropy
lben
zene
mg/
kgp-
Isop
ropy
ltolu
ene
mg/
kgn-
Prop
ylbe
nzen
em
g/kg
1,2,
4-Tr
ichl
orob
enze
nem
g/kg
Trim
ethy
lben
zene
mg/
kg
PCB
sTo
tal P
CB
sm
g/kg
EPH
C9-
C18
Alip
hatic
sm
g/kg
C19
-C36
Alip
hatic
sm
g/kg
Una
djus
ted
C11
-C22
Aro
mat
ics
mg/
kgC
11-C
22 A
rom
atic
sm
g/kg
Ear
th T
ech,
200
8Su
mm
ary
Stat
istic
s
S20-
B-3
S20-
B-4
S20-
C-1
S20-
C-2
S20-
C-3
S20-
D-1
S20-
D-2
S20-
D-3
S21-
A-1
S21-
A-2
S21-
A-3
S22-
A-1
S22-
A-2
S22-
A-3
No.
of
Sam
ples
No.
of
Det
ects
Freq
uenc
yof
Det
ectio
nM
inM
axA
vera
geSt
anda
rdD
evia
tion
t-va
lue
95%
Con
fiden
ceIn
terv
al
Upp
er95
% U
CL
of
Mea
n95
thPe
rcen
tile
1720
.815
.213
.816
.316
.817
.218
.719
.421
.414
.924
.121
.332
.811
111
110
0%3.
643
.518
.27.
71.
982
1.46
19.6
32.4
20Y
es43
Yes
--
--
--
--
--
--
--
2424
100%
2577
022
4.6
227.
82.
069
96.1
932
0.8
689.
550
Yes
19Y
es-
--
--
--
--
--
--
-24
1979
%0.
4616
3.4
4.7
2.06
91.
975.
412
.03
Yes
9Y
es-
--
--
--
--
--
--
-24
2410
0%6
110
33.5
31.4
2.06
913
.27
46.7
108.
540
Yes
5Y
es18
7030
8012
0013
0011
7019
5022
8023
1026
2015
6018
4036
0027
2047
4015
215
210
0%54
12,0
001,
776.
21,
814.
51.
976
290.
792,
067.
05,
090.
060
0Y
es10
3Y
es-
--
--
--
--
--
--
-24
2396
%0.
094.
70.
81.
22.
069
0.51
1.3
3.7
1Y
es5
Yes
--
--
--
--
--
--
--
240
0%-
--
--
--
-1
--
No
--
--
--
--
--
--
--
245
21%
0.47
2.6
0.8
0.8
2.06
90.
351.
12.
45
No
0N
o
1.95
2.77
1.29
2.54
1.52
2.37
2.81
1.62
4.35
3.15
2.8
0.59
28.
422.
0511
010
293
%0.
0634
.42.
85.
11.
982
0.96
3.7
10.5
--
-N
o
0.2
0.2
0.2
0.2
0.2
0.5
0.5
0.6
0.1
0.1
0.1
0.1
0.2
0.2
111
3733
%0.
24.
60.
40.
51.
982
0.09
0.5
0.6
1Y
es3
Yes
0.2
0.2
0.2
0.2
0.2
0.5
0.25
0.6
0.1
0.1
0.1
0.2
0.2
0.3
111
3935
%0.
22.
750.
40.
41.
982
0.07
0.5
1.0
1Y
es4
Yes
0.3
0.3
0.3
0.2
0.3
1.2
0.9
1.3
0.5
0.3
0.4
0.3
0.3
0.4
111
6962
%0.
23.
30.
60.
51.
982
0.10
0.7
1.7
1Y
es11
Yes
0.2
0.3
0.1
0.1
0.1
0.25
0.25
0.5
0.1
0.1
0.1
0.1
0.1
0.1
111
1413
%0.
22.
50.
30.
31.
982
0.06
0.4
0.6
2Y
es1
Yes
0.6
0.8
0.3
0.4
0.9
1.1
0.8
2.9
0.6
0.4
0.5
0.4
0.5
0.6
111
8072
%0.
26.
40.
91.
01.
982
0.18
1.0
2.9
4Y
es3
Yes
0.3
0.4
0.1
0.2
0.2
0.25
0.25
1.2
0.2
0.1
0.1
0.1
0.2
0.2
111
3935
%0.
22.
90.
40.
41.
982
0.08
0.5
0.9
2Y
es2
Yes
3.2
4.3
0.9
1.8
1.1
2.9
2.5
9.8
1.7
1.2
1.2
1.5
2.6
211
110
090
%0.
234
.52.
74.
01.
982
0.76
3.5
8.8
20Y
es1
Yes
6.4
8.3
3.3
4.3
4.8
14.3
9.9
20.2
4.7
3.5
4.4
3.9
5.4
5.4
111
110
99%
0.5
40.1
6.4
6.4
1.98
21.
207.
620
.610
Yes
16Y
es6.
28
3.4
4.4
4.7
15.2
9.8
19.6
4.6
3.4
4.4
3.8
5.2
5.3
111
109
98%
0.5
366.
15.
91.
982
1.10
7.2
19.8
20Y
es5
Yes
1.6
1.9
11.
11.
33.
92.
64.
81.
41.
11.
31.
11.
31.
411
198
88%
0.3
6.7
1.7
1.3
1.98
20.
241.
94.
73
Yes
11Y
es
2.9
3.7
1.7
2.1
2.3
5.7
3.5
7.1
2.4
1.7
2.2
1.6
22.
211
110
595
%0.
313
.42.
82.
61.
982
0.48
3.3
8.1
9Y
es5
Yes
3.6
4.5
2.2
2.5
2.9
7.6
4.7
9.5
2.7
22.
62
2.6
2.7
111
108
97%
0.4
15.8
3.5
3.0
1.98
20.
564.
09.
87
Yes
10Y
es4.
55.
32.
93.
23.
612
.47.
414
.13.
72.
83.
33
3.5
4.2
111
109
98%
0.6
20.2
4.4
3.5
1.98
20.
675.
113
.38
Yes
10Y
es1.
62
1.1
1.1
1.2
4.6
2.9
5.1
1.4
0.9
1.3
1.1
1.2
1.6
111
104
94%
0.3
7.4
1.9
1.6
1.98
20.
302.
25.
74
Yes
12Y
es2.
63.
11.
51.
81.
86.
13.
87.
62.
21.
51.
91.
72.
12.
411
110
494
%0.
311
.32.
52.
01.
982
0.37
2.9
7.2
7Y
es7
Yes
22.
41.
11.
31.
43.
92.
64.
91.
71.
21.
41.
11.
31.
411
199
89%
0.3
472.
24.
51.
982
0.85
3.0
4.9
3Y
es10
Yes
0.6
0.7
0.4
0.4
0.4
1.1
0.7
1.2
0.5
0.4
0.4
0.3
0.4
0.4
111
6760
%0.
22.
70.
60.
41.
982
0.08
0.6
1.6
1Y
es10
Yes
--
--
--
--
--
--
--
2417
71%
0.8
6.1
1.9
1.5
2.06
90.
622.
64.
4--
----
No
--
--
--
--
--
--
--
244
17%
1.2
60.
91.
22.
069
0.49
1.4
1.9
----
--N
o18
2211
1214
4126
5015
1113
1113
1511
122
20%
510
0.1
18.5
16.1
1.98
23.
0321
.553
.6--
----
No
--
--
--
--
--
--
--
241
4%0.
061
0.06
10.
10.
12.
069
0.04
0.1
0.3
----
--N
o-
--
--
--
--
--
--
-24
521
%0.
10.
550.
10.
12.
069
0.04
0.1
0.1
----
--Y
es-
--
--
--
--
--
--
-24
14%
0.11
0.11
0.1
0.1
2.06
90.
040.
10.
3--
----
No
--
--
--
--
--
--
--
246
25%
0.06
10.
840.
10.
22.
069
0.07
0.1
0.1
----
--Y
es-
--
--
--
--
--
--
-24
729
%0.
633.
30.
50.
72.
069
0.28
0.7
0.9
1Y
es1
Yes
--
--
--
--
--
--
--
241
4%0.
140.
140.
10.
12.
069
0.04
0.2
0.9
----
--N
o-
--
--
--
--
--
--
-24
14%
0.62
0.62
0.1
0.1
2.06
90.
060.
10.
4--
----
No
--
--
--
--
--
--
--
240
0%-
--
--
--
---
----
No
--
--
--
--
--
--
--
240
0%-
--
--
--
---
----
No
--
--
--
--
--
--
--
240
0%-
--
--
--
---
----
No
--
--
--
--
--
--
--
240
0%-
--
--
--
---
----
No
--
--
--
--
--
--
--
240
0%-
--
--
--
---
----
No
--
--
--
--
--
--
--
241
4%0.
610.
610.
20.
12.
069
0.04
0.2
0.3
----
--N
o-
--
--
--
--
--
--
-24
00%
--
--
--
--
----
--N
o
--
--
--
--
--
--
--
249
38%
0.3
24.2
2.0
5.2
2.06
92.
184.
28.
7--
----
Yes
16.85
16.8
16.25
16.65
16.5
67.5
67.5
7016.55
16.6
16.75
32.8
16.35
16.3
871
1%32
.232
.239
.138
.21.
988
8.14
47.3
88.2
----
--Y
es16.85
16.8
16.25
16.65
16.5
252
206
190
54.3
47.1
54.1
64.3
109
83.2
8751
59%
31.2
293
69.0
53.6
1.98
811
.43
80.4
164.
9--
----
Yes
134
164
110
119
124
453
352
510
153
134
153
117
173
163
8786
99%
57.5
422
198.
211
4.2
1.98
824
.35
222.
648
4.5
----
--N
o76
.111
789
.694
96.2
373
298
400
124
113
127
9514
313
287
8699
%54
.242
216
2.5
88.2
1.98
818
.80
181.
336
3.8
----
--Y
es
NO
TE
S:O
nly
resu
lts a
naly
tes r
etai
ned
as C
OC
s are
show
n. R
efer
to P
hase
II r
epor
t for
dis
cuss
ion
of C
OC
sele
ctio
n.m
g/kg
= m
illig
ram
s per
kilo
gram
, whi
ch is
equ
ival
ent t
o pa
rts p
er m
illio
n (p
pm).
CO
C- C
hem
ical
of C
once
rn fo
r the
Site
.EP
H =
Ext
ract
able
Pet
role
um H
ydro
carb
ons.
PAH
= P
olyc
lycl
ic A
rom
atic
Hyd
roca
rbon
s.C
-PA
H =
Car
cino
geni
c PA
Hs.
Non
C-P
AH
= N
on-c
arci
noge
nic
PAH
s.PC
Bs =
Pol
ychl
orin
ated
bip
heny
ls.
VO
Cs =
Vol
atile
Org
anic
Com
poun
ds.
UC
L - U
pper
Con
fiden
ce L
imit.
Italic
s ind
icat
e th
at a
naly
te w
as n
ot d
etec
ted
abov
e la
bora
tory
det
ectio
n lim
it. V
alue
show
n is
one
-hal
f the
repo
rtabl
e de
tect
ion
limit.
Ret
aine
d A
s C
OC
?
Mas
sDE
P U
rban
B
ackg
roun
dC
once
ntra
tion
(Fill
So
il C
onta
inin
g A
sh)
Site
Max
imum
D
etec
ted
Con
cent
ratio
nA
bove
Bac
kgro
und?
Num
ber
Sam
ples
Abo
ve U
rban
B
ackg
roun
d
C-6
Sto
ckpi
les -
Rev
ised
Fin
al.x
ls/T
1 A
ll sa
mpl
esP
age
4 of
4
APPENIDX C-7TABLE 1
Statistical Summary - Site Wide Surface Soil & Stockpile Soil Samples EPCs for Fugitive Dust EvaluationsMBTA Readville 5 Yard, Dedham, MA.
Summary StatisticsNo. of Standard
Units Samples Min Max Average Deviation
MetalsAntimony mg/kg 8 7 88% 4.3 39.0 11.9 11.6 2.365 9.7 21.6 7 Yes YesArsenic mg/kg 199 197 99% 3.6 330.0 35.6 46.7 1.972 6.5 42.2 20 Yes YesBarium mg/kg 57 57 100% 42.0 5,430.0 441.2 965.3 2.003 256.1 697.3 50 Yes YesCadmium mg/kg 26 20 77% 0.2 16.0 3.2 4.5 2.060 1.8 5.0 3 Yes YesChromium mg/kg 57 57 100% 6.0 127.0 38.0 32.2 2.003 8.5 46.5 40 Yes YesCobalt mg/kg 18 18 100% 2.6 7.3 4.8 1.2 2.110 0.6 5.4 4 Yes YesCopper mg/kg 8 8 100% 29.0 290.0 151.9 111.7 2.365 93.4 245.3 200 Yes YesLead mg/kg 1032 1005 97% 12.6 37,900.0 1,227.4 2,534.8 1.962 154.8 1,382.2 600 Yes YesMercury mg/kg 26 25 96% 0.1 4.7 0.7 1.2 2.060 0.5 1.2 1 Yes YesNickel mg/kg 5 5 100% 7.8 15.0 12.0 2.8 2.8 3.5 15.5 30 No NoSelenium mg/kg 26 0 0% ND ND ND ND ND ND ND 1 - NoSilver mg/kg 26 0 0% ND ND ND ND ND ND ND 5 - NoZinc mg/kg 5 5 100% 46.0 1,100.0 400.8 467.9 2.8 580.9 981.7 300 Yes Yes
VPHC5-C8 Aliphatics mg/kg - - - - - - - - - - NA - NoC9-C12 Aliphatics mg/kg - - - - - - - - - - NA - NoC9-C10 Aromatics mg/kg - - - - - - - - - - NA - No
EPHC9-C18 Aliphatics mg/kg 109 5 5% 13 463 41 67 1.982 12.7 54.2 NA - YesC19-C36 Aliphatics mg/kg 110 67 61% 31 3,320 109 329 1.982 62.2 171.2 NA - YesC11-C22 Aromatics mg/kg 110 106 96% 54 2,760 185 282 1.982 53.2 238.7 NA - Yes
Non C-PAHsNaphthalene mg/kg 136 40 29% 0.2 10.6 0.5 1.0 1.978 0.2 0.6 1 Yes Yes2-Methylnaphthalene mg/kg 136 43 32% 0.2 5.6 0.5 0.6 1.978 0.1 0.6 1 Yes YesAcenaphthylene mg/kg 136 75 55% 0.2 7.9 0.6 0.9 1.978 0.1 0.8 1 Yes YesAcenaphthene mg/kg 136 15 11% 0.2 35.4 0.6 3.0 1.978 0.5 1.1 2 Yes YesAnthracene mg/kg 136 87 64% 0.2 64.4 1.4 5.6 1.978 1.0 2.3 4 Yes YesFluorene mg/kg 136 42 31% 0.2 34.4 0.7 3.0 1.978 0.5 1.2 2 Yes YesPhenanthrene mg/kg 136 115 85% 0.2 245.0 4.6 21.3 1.978 3.6 8.3 20 Yes YesFluoranthene mg/kg 136 131 96% 0.4 278.0 8.6 24.9 1.978 4.2 12.8 10 Yes YesPyrene mg/kg 136 129 95% 0.4 269.0 8.0 23.8 1.978 4.0 12.1 20 Yes YesBenzo(g,h,i)perylene mg/kg 136 113 83% 0.3 41.9 2.0 3.9 1.978 0.7 2.6 3 Yes Yes
C-PAHsBenzo(a)anthracene mg/kg 136 122 90% 0.3 116.0 3.8 10.4 1.978 1.8 5.5 9 Yes YesChrysene mg/kg 136 127 93% 0.3 125.0 4.4 11.2 1.978 1.9 6.3 7 Yes YesBenzo(b)flouranthene mg/kg 136 129 95% 0.4 134.0 5.2 11.9 1.978 2.0 7.2 8 Yes YesBenzo(k)flouranthene mg/kg 136 122 90% 0.3 49.4 2.5 4.9 1.978 0.8 3.4 4 Yes YesBenzo(a)pyrene mg/kg 136 122 90% 0.2 90.9 3.2 8.1 1.978 1.4 4.6 7 Yes YesIndeno(1,2,3-cd)pyrene mg/kg 136 115 85% 0.3 53.3 2.5 6.1 1.978 1.0 3.5 3 Yes YesDibenzo(a,h)anthracene mg/kg 136 79 58% 0.2 15.1 0.7 1.4 1.978 0.2 1.0 1 Yes Yes
VOCsBenzene mg/kg 26 1 4% 0.061 0.365 0.062 0.087 2.060 0.035 0.097 NA - NoToluene mg/kg 26 5 19% 0.1 0.55 0.082 0.099 2.060 0.040 0.122 NA - YesEthylbenzene mg/kg 26 1 4% 0.11 0.365 0.063 0.088 2.060 0.035 0.099 NA - NoTotal Xylenes mg/kg 26 6 23% 0.061 0.84 0.077 0.157 2.060 0.064 0.140 NA - YesNaphthalene mg/kg 26 8 31% 0.43 3.3 0.441 0.634 2.060 0.256 0.697 NA - YesTrichloroethene mg/kg 26 1 4% 0.14 0.365 0.065 0.089 2.060 0.036 0.100 NA - NoTetrachloroethene mg/kg 26 1 4% 0.62 0.62 0.082 0.140 2.060 0.057 0.138 NA - Non-Butyl benzene mg/kg 26 0 0% ND ND ND ND ND ND ND NA - Nosec-Butyl benzene mg/kg 26 0 0% ND ND ND ND ND ND ND NA - NoIsopropylbenzene mg/kg 26 0 0% ND ND ND ND ND ND ND NA - Nop-Isopropyltoluene mg/kg 26 0 0% ND ND ND ND ND ND ND NA - Non-Propylbenzene mg/kg 26 0 0% ND ND ND ND ND ND ND NA - No1,2,4-Trichlorobenzene mg/kg 26 1 4% 0.61 0.61 0.197 0.099 2.060 0.040 0.237 NA - NoTrimethylbenzene mg/kg 26 0 0% ND ND ND ND ND ND ND NA - No
PCBsTotal PCBs mg/kg 26 9 35% 0.3 24.2 1.9 5.0 2.1 2.0 3.9 NA - Yes
NOTES:Surface soil only includes soil at depths of 0-0.5 feet gelow grade, except for Area 1 (0-3 feet) and stockpiles (all depthsmg/kg = milligrams per kilogram, which is equivalent to parts per million (ppm)COC- Chemical of Concern for the SiteEPCs = Exposure Point Concentrations.EPH = Extractable Petroleum HydrocarbonsPAH = Polyclyclic Aromatic HydrocarbonsC-PAH = Carcinogenic PAHsNon C-PAH = Non-carcinogenic PAHsPCBs = Polychlorinated biphenylsVOCs = Volatile Organic CompoundsEVH = Volatile Petroleum HydrocarbonsUCL - Upper Confidence Limit
95%Confidence
Interval
Upper95% UCL of Mean
Retained As COC for
Fugitive Dust?
Site MaximumDetected
ConcentrationAbove
Background?No. of
DetectsFrequency
of Detection
MassDEP Urban Background
Concentration (Fill Soil Containing Ash)t-value
Soil EPCs For Fug Dust Eval - 0-0.5 Revised.xls