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Groundwater Sampling Event Summary Report No. 5 May 2014

10thFloor TwoTowerCenterBlvd.EastBrunswick,NewJersey08816

Transmitted Via Federal Express & Electronic Mail May 2, 2014 U.S. Environmental Protection Agency, Region II Emergency and Remedial Response Division 290 Broadway, 19th Floor New York, NY 10007-1866 Attention: Ms. Elizabeth Butler Remedial Project Manager Re: Civil Action Nos. 89-5064 [JNB] and 89-5025 [AET] Groundwater Sampling Event Report No. 5 Diamond Alkali Superfund Site Newark, New Jersey

Dear Ms. Butler: Tierra Solutions, Inc. (Tierra) herby submits four copies of our Groundwater Sampling Event Report (GWSER) No. 5 in accordance with the Quality Assurance Project Plan (QAPP) (Environmental Data Services, Ltd, May 2008), which was approved by the United States Environmental Protection Agency (USEPA) in June 2008. The purpose of this GWSER No. 5 is to document the groundwater monitoring activities that were performed at the Diamond Alkali Superfund Site in Newark, New Jersey during December 2013, which includes a summary of the groundwater sampling activities performed and the corresponding analytical results. Field sampling activities, documentation, laboratory analysis, and data validation were performed in accordance with the approved May 2008 QAPP. Sincerely, Paul J. Bluestein, P.E. Project Coordinator Tierra Solutions, Inc. On behalf of Occidental Chemical Corporation (as successor to Diamond Shamrock Chemicals Company)

Groundwater Sampling Event Summary Report No. 5

1c: Office of Regional Counsel U.S. Environmental Protection Agency, Region 2 290 Broadway, 17th Floor New York, New York 10007-1866 Attn: Diamond Alkali Site Attorney

1c: New Jersey Department of Environmental Protection

Office of Brownfield Reuse Site Remediation Program 401 E. State Street P.O. Box 028 Trenton, New Jersey 08265-0028 Attn: Mr. Jay Nickerson

1c: U.S. Army Corps of Engineers, KC District 601 E. 12th Street Kansas City, MO 64106-2896 Attn: Bob Pender

Groundwater Sampling Event Report No. 5

Tierra Solutions, Inc. Groundwater Sampling Event Report No. 5 Diamond Alkali Superfund Site Newark, New Jersey April 2014


Groundwater Sampling Event Report No. 5 Diamond Alkali Superfund Site

Newark, New Jersey

Paul Bluestein, P.E. Facility Coordinator

Prepared by:

Tierra Solutions 2 Tower Center Blvd. East Brunswick New Jersey 08816

Date:

April 29, 2014

https://trust.docusign.com


Contents

1. Introduction .................................................................................................................................... 1

1.1. Report Organization ....................................................................................................................... 1

2. Summary of Groundwater Monitoring Activities ........................................................................ 1

3. Groundwater Level Elevations ..................................................................................................... 2

4. Groundwater Monitoring Analytical Results ............................................................................... 2

4.1. Volatile Organic Compounds ........................................................................................................ 3

4.2. Metals .............................................................................................................................................. 3

4.3. 2,3,7,8-Tetrachlorodibenzo-p-dixon (2,3,7,8-TCDD) ................................................................... 4

5. References ...................................................................................................................................... 5

Tables 1. December 2013 Groundwater Elevation Data 2. December 2013 and 12-Month Gradient Comparison 3. Volatile Organic Compounds Results 4. Metals Results 5. 2,3,7,8-TCDD Results

Figures

1. Groundwater Elevation and Contours - December 2013 2. Groundwater Elevation and Contours - 12-Month Average January 2013 through December

2013 3. 2013 Groundwater Concentrations- VOC 4. 2013 Groundwater Concentrations- Metals 5. 2013 Groundwater Concentrations – 2,3,7,8-TCDD

Appendices A. December 2013 Groundwater Purge Logs


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1. Introduction Groundwater Sampling Event Report (GWSER) No. 5 has been prepared by Tierra Solutions, Inc. for the Diamond Alkali Superfund Site (the Site) located at 80-120 Lister Avenue in Newark, New Jersey. The purpose of this GWSER is to document the groundwater monitoring activities that were performed at the Site in December 2013 and provide a summary of the results. Field sampling activities, documentation, laboratory analysis, and data validation were performed in accordance with the Quality Assurance Project Plan (QAPP) (Environmental Data Services, Ltd., May 2008), which was approved by the United States Environmental Protection Agency (USEPA) in June 2008. As stated in the May 2008 QAPP, the objective of this program is to monitor possible changes in groundwater quality at the Site through time. No interpretation of the data with respect to changes or trends in analytical observations is presented herein. 1.1. Report Organization The remainder of this report is organized as follows:

• Section 2 summarizes the December 2013 groundwater monitoring activities

• Section 3 discusses the December 2013 groundwater elevations

• Section 4 discusses the December 2013 groundwater monitoring analytical results 2. Summary of Groundwater Monitoring Activities Groundwater gauging and sampling activities were initiated at the Site with a synoptic round of water-level measurements collected from all nineteen Gradient Control Pair (GCP) and Interior Piezometer (IP) monitoring wells on December 9, 2013. In accordance with the methods and procedures outlined in Appendix A of the QAPP, groundwater samples were collected from the GCP monitoring wells on December 10 through December 12, 2013. Groundwater samples were collected using USEPA low-flow purge and sampling (LFPS) methods, as described in Appendix A of the May 2008 QAPP (Field Standard Operating Procedure No. 1-LFPS). Groundwater samples were shipped under proper chain-of-custody protocol by overnight courier to CompuChem Lab (Cary, North Carolina) for analysis of volatile organic compounds (VOCs) and metals. Additional sample aliquots were sent by overnight courier to Vista Analytical Laboratory (El Dorado Hills, California) for analysis of 2,3,7,8-tetrachlorodibenzo-p-dioxin (2,3,7,8-TCDD). Groundwater samples collected from the Site on December 10, and December 11, 2013 were delivered to the laboratories as sample delivery group (SDG) LSGW009. Groundwater samples collected from the Site on December 12,


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2013 were delivered to the laboratories as SDG LSGW010. Groundwater samples were analyzed by the respective laboratories in accordance with Appendix B of the May 2008 QAPP (Analytical Methods). Field quality control samples were collected in accordance with Worksheets #20 and #28-1 in the May 2008 QAPP. A duplicate groundwater sample was collected from monitoring well GCP7-2 on December 11, 2013 (identified as sample LSGWDUP01E). Groundwater sampling logs for the December sampling event are provided in Appendix A. 3. Groundwater Level Elevations Groundwater levels are measured and recorded monthly at the Site using GCPs and IPs (IP-1 through IP-4 were removed from monthly gauging by USEPA approval in 2009). The data are recorded in an electronic spreadsheet, and form the basis for Figures 1 and 2. Monthly data evaluations are performed to compare the vertical flow direction (across organic silt) and horizontal flow direction (across slurry wall) groundwater movement. This is an internal control used by Tierra to evaluate the effectiveness of the remedy. December 2013 water level data is provided in Table 1. Groundwater elevations and a 12 month average are shown in Table 2, which illustrates the comparison between yearly average data and month to month data. The December 2013 groundwater contour map and a 12-month average contour map are provided as Figures 1 and 2, respectively. Due to variability observed in the monthly water level elevations, annual average water level elevations provide a method to observe long-term trends in the data that are not subject to short-term changes. Short-term tidal variations in water levels in the Passaic River have been shown to exert a significant influence on groundwater elevations near the river. The GCPs completed in glaciofluvial sediments exhibit a greater response to the tidal fluctuations observed in the Passaic River than the wells completed in the fill adjacent to the Passaic River. The groundwater responses to tidal fluctuations account for the variations in vertical upward flow direction observed in GCP 1-1/GCP1-2 and GCP3-1/GCP3-2; specifically, at low tide the groundwater elevations indicate a downward flow direction between the fill and glaciofluvial sand unit and at high tide the groundwater elevations indicate an upward flow direction between the glaciofluvial sand unit and the fill. The effects of tidal influence on the groundwater elevations observed at the Site were presented in the Groundwater Flow Model Analysis, Attachment 1 to Appendix A-Sediment Excavation Enclosure Design Analysis Memorandum of the Design Analysis Report, Phase I Removal Action, CERCLA Non-Time-Critical Removal Action-Lower Passaic River Study Area provided to USEPA in October 2010. 4. Groundwater Monitoring Analytical Results Validated laboratory analytical results are summarized in the following sections by analytical parameter. The results are shown in Tables 3 through 5. Constituents that were detected above the May 2008 QAPP Project Quantitation Limit (PQL) Goal are shown on Figures 3 through 5. Highlights of VOCs, metals, and 2,3,7,8-TCDD concentrations reported above the May QAPP PQL are presented below.


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4.1. Volatile Organic Compounds Results for VOC analysis are shown in Table 3 and presented in Figure 3. VOCs were not detected at concentrations above the Site PQLs in six GCP monitoring wells at the Site. These wells included GCP4-1, GCP4-2, GCP5-2, GCP 7-1, GCP7-2, and GCP8-1. VOCs were detected at concentrations above the Site PQLs in samples collected from thirteen GCP monitoring wells. A summary of the VOCs that were detected at concentrations exceeding the Site PQLs is presented below.

• Benzene: Benzene was detected at concentrations above the Site PQL in seven of the 19 GCP wells sampled. Analytical results above the PQL for benzene ranged from 9900 micrograms per liter (µg/L) in GCP2-1 to 22 µg/L in GCP8-3.

• Chlorobenzene: Chlorobenzene was detected at 12 of the 19 GCP wells sampled. Analytical

results above the PQL for chlorobenzene ranged from 40000 µg/L in GCP1-2 to 16 µg/L in GCP6-2.

• Ethylbenzene: Ethylbenzene was detected at a concentration above the Site PQL in only one of the 19 GCP wells sampled (1200 µg/L in GCP 1-1).

• Toluene: Toluene was detected at concentrations above the Site PQL in 4 of the 19 GCP wells

sampled. Analytical results above the PQL for toluene ranged from 4600 µg/L in GCP1-2 to 5.4 µg/L in GCP6-3.

• 1,2-Dichlorobenzene: 1,2-dichlorobenzene was detected at concentrations above the Site PQL

in 3 of the 19 GCP wells sampled. Analytical results above the PQL for 1,2-dichlorobenzene ranged from 1200 µg/L in GCP1-1 to 150 µg/L in GCP8-3.

• 1,3-Dichlorobenzene: 1,3-dichlorobenzene was detected at a concentration above the PQL in 3

of the 19 GCP wells sampled. Analytical results above the PQL for 1,3-dichlorobenzene ranged from 5,000 µg/L in GCP 6-3 to 84 µg/L in GCP8-3.

• 1,4-Dichlorobenzene: 1,4-dichlorobenzene was detected at a concentration above the PQL in 9

of the 19 GCP wells sampled. Analytical results above the PQL for 1,4-dichlorobenzene ranged from 24,000 µg/L in GCP 6-3 to 9.0 µg/L in GCP 9-1.

4.2. Metals Analytical results for metals are summarized in Table 4 and presented on Figure 4. Metals were not detected above PQLs in samples collected from three GCP monitoring wells at the Site. These wells included GCP2-1, GCP5-1, and GCP9-2. Metals were detected at concentrations exceeding the Site PQLs in samples collected from 16 GCP monitoring wells. A summary of the metals that were detected at the concentrations exceeding the Site PQLs is presented below.


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• Arsenic: Arsenic was detected at concentrations above the Site PQL in 11 of the 19 GCP wells sampled. Analytical results above the PQL for arsenic range from 180 µg/L in GCP6-1 to 20 µg/L in GCP 9-1.

• Chromium: Chromium was detected at a concentration above the Site PQL in only one of the 19

GCP wells sampled (14 µg/L at GCP3-1).

• Lead: Lead was detected at a concentration above the PQL in only one of the 19 wells sampled (27 µg/L at CGP9-1).

• Zinc: Zinc was detected at concentrations above the Site PQL in nine out of 19 GCP wells

sampled. Analytical results above the PQL for zinc ranged from 170 µg/L at GCP6-2 to 22 at GCP3-2.

4.3. 2,3,7,8-Tetrachlorodibenzo-p-dixon (2,3,7,8-TCDD) 2,3,7,8-TCDD analytical results are summarized in Table 5 and presented on Figure 5. 2,3,7,8-TCDD was not detected above the Site PQL in samples collected from 14 GCP monitoring wells at the Site. These wells include GCP1-1, GCP2-1, GCP3-2, GCP4-1, GCP4-2, GCP5-1, GCP5-2, GCP6-1, GCP6-2, GCP6-3, GCP7-1, GCP7-2, GCP8-1, and GCP8-2. 2,3,7,8-TCDD was detected at concentrations above the Site PQL in samples collected from five of 19 GCP monitoring wells. Analytical results above the PQL for 2,3,7,8-TCDD are presented in the table below and ranged from 16000 picograms per liter (pg/L) at GCP9-1 to 189 pg/L at GCP3-1.

Well 2,3,7,8-TCDD Concentration

(pg/L) GCP1-2 608 GCP3-1 189 GCP8-3 369 GCP9-1 16,000 GCP9-2 211


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5. References Environmental Data Services, Ltd. Final Quality Assurance Project Plan, Groundwater Quality Monitoring Program, Diamond Alkali Superfund Site, Newark NJ. May 2008. ARCADIS-US, Hydraulic Performance Evaluation Summary Report, September 2008 (Attachment B, Civil Action Nos. 89-5064 [JNB] and 89-5025 [AET], Responses to Compiled Comments for Remedy Evaluation Work Plan, September 19, 2008). ARCADIS-US, Groundwater Sampling Event Report No. 1, Diamond Alkali Superfund Site, Newark, NJ. January 2009. ARCADIS-US, Groundwater Sampling Event Report No. 2, Diamond Alkali Superfund Site, Newark, NJ. December 2009. ARCADIS-US, Groundwater Sampling Event Report No. 3, Diamond Alkali Superfund Site, Newark, NJ. November 2010. ARCADIS-US. Groundwater Sampling Event Report No.4, Diamond Alkali Superfund Site, Newark, NJ. November 2011 Tierra. Groundwater Flow Model Analysis. Attachment 1 to Appendix A - Sediment Excavation Enclosure Design Analysis Memorandum of the Design Analysis Report, Phase I Removal Action, CERCLA Non-Time-Critical Removal Action – Lower Passaic River Study Area. Tierra Solutions, Inc., East Brunswick, New Jersey. October 2010

Tables

GCP 1-1 GCP 2-1 GCP 3-1 GCP 4-1 GCP 5-1 GCP 6-1 GCP 7-1 GCP 8-1 GCP 9-114.14 15.72 13.86 12.90 12.86 14.17 13.84 13.76 15.0724.3 28 24.90 14.07 13.00 16.5 14.65 14.9 16.4

Monitoring Date Monitoring Time Groundwater Elevations (feet NGVD)12/9/2013 14:08-15:20 0.45 0.75 1.77 3.40 3.43 3.62 2.96 2.96 2.33

GCP 1-2 GCP 3-2 GCP 4-2 GCP 5-2 GCP 6-2 GCP 7-2 GCP 8-2 GCP 9-214.06 13.78 12.38 12.91 13.37 13.55 12.62 11.9843.9 44.1 13.98 12.94 44.1 14.03 13.8 13.83

Monitoring Date Monitoring Time Groundwater Elevations (feet NGVD)12/9/2013 14:08-15:20 -0.14 0.48 2.95 5.42 0.11 4.25 3.25 3.95

GCP 6-3 GCP 8-3 IP-1 IP-2 IP-3 IP-4 IP-5 IP-613.24 12.96 0.00 0.00 0.00 0.00 23.17 22.6514.53 41.17 na na na na 24.37 24.86

Monitoring Date Monitoring Time Groundwater Elevations (feet NGVD)12/9/2013 14:08-15:20 5.47 3.25 2.70 2.98

Notes:* - TOIC is referenced to final PVC riser pipe elevations surveyed on August 31, 2009 by DPK Consulting.Elevations refer to groundwater levels in monitoring wells and piezometers based on NGVD 29 in feet above mean sea level (ft-amsl).The depths of GCP 6-2 and GCP 6-3 differ from the design drawings. GCP 6-2 is screened in the glaciofluvial sand and GCP 6-3 is screened in fill material. "-" - no reading. "na" - not applicable. These four points are Vibrating Wire Piezometers and are sealed in place beneath the cap layers.NGVD - National Geodetic Vertical Datum 1929

Table 1

Total Depth

December 2013 Groundwater Elevation Data

Total Depth

Well ID8/31/2009 TOIC Elevation*

Total Depth


Diamond Alkali Superfund SiteNewark, New Jersey


Fill Sand Fill Sand Water Level Fill

Water Level Sand

Elevation Delta

Elevation Top of

Confining Layer

Elevation Bottom

Confining Layer

1-1 1-2 1-2 > 1-1 NO 0.45 -0.14 0.59 -0.8 -9.52-1 3-2 > 3-1 NO 1.77 0.48 1.29 -10 -113-1 3-2 6-2 > 6-1 NO 3.62 0.11 3.51 -1.5 -11.54-1 4-2 8-3 > 8-1 YES 2.96 3.25 -0.29 -1 -125-1 5-2 * Elevations for top and bottom of silt/organic layer from Figure 9-1 and 9-3 of Final 100% Design Report (source, Eckenfelder)

6-1 6-3 6-2

7-1 7-2Water Level

OutsideWater Level

InsideElevation

Delta8-1 8-2 8-3 4-2 > 4-1 NO 2.95 3.40 -0.459-1 9-2 5-2 > 5-1 YES 5.42 3.43 1.99

6-3 > 6-1 YES 5.47 3.62 1.85Notes: 7-2 > 7-1 YES 4.25 2.96 1.29GCP 1,2,3 along north side from east to west 8-2 > 8-1 YES 4.14 2.96 1.18GCP 5,6,7,8 along south side from west to east 9-2 > 9-1 YES 3.95 2.33 1.62GCP 4 on east side (center)GCP 9 on west side (center)

Water Level Fill

Water Level Sand

Elevation Delta

Elevation Top of

Confining Layer

Elevation Bottom

Confining Layer

1-2 > 1-1 YES 2.45 5.53 -3.08 -8 -9.53-2 > 3-1 YES 2.24 4.43 -2.19 -10 -116-2 > 6-1 YES 2.23 6.01 -3.78 -1.5 -11.58-3 > 8-1 NO 5.07 3.63 1.44 -1 -12

Water Level Outside

Water Level Inside

Elevation Delta

4-2 > 4-1 YES 3.90 3.69 0.215-2 > 5-1 NO 4.14 5.46 -1.326-3 > 6-1 YES 3.86 2.23 1.637-2 > 7-1 NO 3.92 4.96 -1.048-2 > 8-1 YES 5.59 5.07 0.529-2 > 9-1 NO 0.00 4.74 -4.74

Horizontal Water Level Observations

Outside Fill > Inside Fill

Sand Unit > Inside Fill

Outside Fill > Inside Fill

Water Level Observations - Past 12 Months

Vertical Water Level Observations

* According to www.saltwatertides.com, water levels were between low and high tides.

Sand Unit > Inside Fill

GCPs Inside Containment

GCPs Outside Containment Vertical Water Level Observations

Horizontal Water Level Observations

Table 2December 2013 and 12-Month Gradient Comparison

Diamond Alkali Superfund SiteNewark, New Jersey

Summary of Gradient Control Pairs (GCPs) Water Level Observations-December 13, 2013

Table 3 - Concentrations of Volatile Organic Compounds in Groundwater Samples Collected at the Diamond Alkali Superfund Site Newark, New Jersey, Tierra Solutions, Inc.

Location ID: GCP1-1 GCP1-1 GCP1-1 GCP1-1 GCP1-1 GCP1-1 GCP1-2 GCP1-2 GCP1-2 GCP1-2 GCP1-2Sample ID: LSGWGCP1-1A LSGWGCP1-1B LSGWGCP11-1B(1) LSGWGCP1-1C LSGWGCP1-1D LSGWGCP1-1E LSGWGCP1-2A-R LSGWGCP1-2B LSGWGCP1-2C LSGWGCP1-2D LSGWGCP1-2ESampling Date: 8/14/08 8/26/09 8/26/09 8/12/10 7/21/11 12/12/13 10/14/08 8/26/09 8/12/10 7/21/11 12/12/13Matrix: Water Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

VOLATILE COMPOUNDS

5.0* 61 UD 36 U 63 U 160 UD 150 U 250 U 140 UD 110 U 270 UD 500 U 1000 U5.0* 61 UD 36 U 63 U 160 UD 150 U 250 U 140 UD 110 U 270 UD 500 U 1000 U5.0* 61 UD 36 U 63 U 160 UD 150 U 250 U 140 UD 110 U 270 UD 500 U 1000 U5.0* 61 UD 36 U 63 U 160 UD 150 U 250 U 140 UD 110 U 270 UD 500 U 1000 U5.0* 61 UD 49 63 U 160 UD 150 U 250 U 230 D 140 270 UD 500 U 1000 U5.0* 61 UD 36 U 63 U 160 UD 150 U 250 U 140 UD 110 U 270 UD 500 U 1000 U5.0* 210 D 160 160 180 D 150 U 250 U 4100 D J 3400 J 3200 D 3500 33005.0* 61 UD 36 U 63 U 160 UD 150 U 250 U 140 UD 110 U 270 UD 500 U 1000 U5.0* 61 UD 36 U 63 U 160 UD 150 U 250 U 140 UD 110 U 270 UD 500 U 1000 U5.0* 900 D 930 870 960 D 700 780 4400 D 3400 3800 D 4800 46005.0* 19000 D 16000 D 20000 D 18000 D 15000 D 19000 D 41000 D 30000 D 32000 D 37000 D 400005.0* 830 D 1000 930 980 D 780 1200 170 D 130 270 UD 500 U 1000 U5.0* 74 D 76 75 160 UD 150 U 250 U 140 D 130 270 UD 500 U 1000 U5.0* 950 D 960 970 880 D 900 1300 1900 D 1500 1400 D 1800 21005.0* 880 D 860 860 850 D 780 1200 860 D 630 640 D 890 1000 U5.0* 100 D 100 100 160 UD 150 U 250 U 190 D 140 270 UD 500 U 1000 U UJ

Notes:(1) Duplicate Sample LSGWGCP11-1B - is referred to on the figures as DUP082609PQL Practical Quantitation Levelug/L Micrograms per liter* - Indicates a practical quantitation limit as defined in QAPP Worksheet 15 of the Final Quality Assurance Project Plan (dated May 2008).Validation QualifiersJ Estimated value (bias undetermined) - The analyte was positively identified; but the associated numerical value is the approximate concentration of the analyte in the sample.JH Estimated value (potential high bias)- The analyte was positively identified; but the associated numerical value is the approximate concentration, with a potential high bias, of

the analyte in the sample.JL Estimated value (potential low bias)- The analyte was positively identified; but the associated numerical value is the approximate concentration, with a potential low bias, of

the analyte in the sample.U Non-detected value - The result initially reported as positive by the laboratory was qualified as not detected per USEPA Region II validation guidance due to an associated

quality control failure.UJ Estimated non-detect - The analyte was not detected above the reported sample quanititation limit. However, the reported quanititation limit is approximate and may or may not represent the actual limit of quantitation necessary to accurately and precisely measure the analyte in the sample.UJL Estimated non-detect (potential low bias)- The analyte was not detected and the report sample quanititation limit is biased low.UJH Estimated non-detect (potential high bias)- The analyte was not detected and the report sample quanititation limit is biased high.

Laboratory QualifiersD The organic analyte was quantitated from a diluted analysis.U The analyte was analyzed for, but was not detected above the reported sample quanititation limit.

Based on preliminary screenings performed by Test America, it was determined that straight-run analyses could not be performed on several groundwater samples due to the presence of both target and non-target analytes at high concentrations. In these situations, two dilutions were performed. Both analyses were reported by the laboratory. After validation by EDS, results were blended from these separate analyses to achieve one set of results for each sample. High level concentration values were reported from the most-diluted analyses to ensure an instrument response that is within the established linear range. Low level or non-detect values were reported from lessor un-diluted analyses in order to achieve the lowest project quantitation limit (PQL) possible for the sample matrix. Note, due to significant levels of target and non-target constituents in the volatile fraction, some samples could not be analyzed without dilution and therefore exhibit PQLs in excess if those in the GWQMP.

Project Quantitation Limit Goal (ug/L)

Vinyl chloridetrans-1,2-Dichloroethene1,1-Dichloroethanecis-1,2-Dichloroethene

TolueneChlorobenzeneEthylbenzene1,3-Dichlorobenzene1,4-Dichlorobenzene

Chloroform1,1,1-TrichloroethaneBenzene1,2-DichloroethaneTrichloroethene

1,2-Dichlorobenzene1,2,4-Trichlorobenzene


Location ID: GCP2-1 GCP2-1 GCP2-1 GCP2-1 GCP2-1 GCP3-1 GCP3-1 GCP3-1 GCP3-1 GCP3-1Sample ID: LSGWGCP2-1A LSGWGCP2-1B LSGWGCP2-1C LSGWGCP2-1D LSGWGCP2-1E LSGWGCP3-1A-R LSGWGCP3-1B LSGWGCP3-1C LSGWGCP3-1D LSGWGCP3-1ESampling Date: 8/14/08 8/20/09 8/12/10 7/21/11 12/12/13 10/14/08 8/20/09 8/12/10 7/21/11 12/11/13Matrix: Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

VOLATILE COMPOUNDS

5.0* 49 UD 46 U UJ 76 UD 100 U 130 U 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 49 UD 46 U UJ 76 UD 100 U 130 U 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 49 UD 46 U UJ 76 UD 100 U 130 U 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 49 UD 46 U UJ 76 UD 100 U 130 U 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 49 UD 46 U UJ 76 UD 100 U 130 U 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 49 UD 46 U UJ 76 UD 100 U 130 U 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 14000 D 11000 D 3800 D 6500 D 9900 D 36 D 7.8 12 D 5.0 U 5.0 U5.0* 49 UD 46 U UJ 76 UD 100 U 130 U 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 49 UD 46 U UJ 76 UD 100 U 130 U 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 15000 D 12000 D 5400 D 8700 D 13000 D 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 6300 D 9700 D 8700 D 8600 D 9200 D 2500 D 570 D 960 D 180 535.0* 49 UD 46 U UJ 76 UD 100 U 130 U 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 49 UD 46 U UJ 76 UD 100 U 130 U 24 D 5.4 9.2 UD 5.0 U 5.0 U5.0* 300 D 300 J 200 D 300 460 110 D 25 9.2 UD 5.0 U 5.0 U5.0* 170 D 190 J 140 D 170 220 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U5.0* 66 D 61 J 76 UD 100 U 130 U 9.6 UD 5 U 9.2 UD 5.0 U 5.0 U

Notes:(1) Duplicate Sample LSGWGCP11-1B - is referred to on the figures as DUP082609PQL Practical Quantitation Levelug/L Micrograms per liter* - Indicates a practical quantitation limit as defined in QAPP Worksheet 15 of the Final Quality Assurance Project Plan (dated May 2008).Validation QualifiersJ Estimated value (bias undetermined) - The analyte was positively identified; but the associated numerical value is the approximate concentration of the analyte in the sample.JH Estimated value (potential high bias)- The analyte was positively identified; but the associated numerical value is the approximate concentration, with a potential high bias, of






TrichloroetheneTolueneChlorobenzeneEthylbenzene1,3-Dichlorobenzene1,4-Dichlorobenzene1,2-Dichlorobenzene1,2,4-Trichlorobenzene


Vinyl chloridetrans-1,2-Dichloroethene1,1-Dichloroethanecis-1,2-DichloroetheneChloroform1,1,1-TrichloroethaneBenzene1,2-Dichloroethane


Location ID: GCP3-2 GCP3-2 GCP3-2 GCP3-2 GCP3-2 GCP4-1 GCP4-1 GCP4-1 GCP4-1 GCP4-1Sample ID: LSGWGCP3-2A LSGWGCP3-2B LSGWGCP3-2C LSGWGCP3-2D LSGWGCP3-2E LSGWGCP4-1A LSGWGCP4-1B LSGWGCP4-1C LSGWGCP4-1D LSGWGCP4-1ESampling Date: 8/14/08 8/20/09 8/12/10 7/21/11 12/11/13 8/13/08 8/18/09 8/10/10 7/20/11 12/11/13Matrix: Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

VOLATILE COMPOUNDS

5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 48.0 D 31.0 92.0 UD 110.0 U 39.0 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 6.3 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 3900.0 D 5600.0 D 11000.0 D 11000.0 D 8400.0 D 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 55.0 D 95.0 160.0 D 290.0 180.0 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 230.0 D 420.0 780.0 D 1200.0 880.0 D 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 14.0 UD 22.0 U 92.0 UD 110.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U

Notes:

PQL Practical Quantitation Levelug/L Micrograms per liter* - Indicates a practical quantitation limit as defined in QAPP Worksheet 15 of the Final Quality Assurance Project Plan (dated May 2008).Validation QualifiersJ Estimated value (bias undetermined) - The analyte was positively identified; but the associated numerical value is the approximate concentration of the analyte in the sample.JH Estimated value (potential high bias)- The analyte was positively identified; but the associated numerical value is the approximate concentration, with a potential high bias, of






1,2-Dichlorobenzene



1,2,4-Trichlorobenzene





VOLATILE COMPOUNDS

5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 180.0 110.0 100.0 79.0 120.05.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U UJ

Notes:







TrichloroetheneTolueneChlorobenzeneEthylbenzene1,3-Dichlorobenzene

cis-1,2-DichloroetheneChloroform1,1,1-TrichloroethaneBenzene1,2-Dichloroethane


Vinyl chloridetrans-1,2-Dichloroethene1,1-Dichloroethane

1,4-Dichlorobenzene1,2-Dichlorobenzene1,2,4-Trichlorobenzene



VOLATILE COMPOUNDS

5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 15.0 18.0 21.0 17 5.0 U 200 J 220 D 200 D 200 1405.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.6 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 10 16 12 11 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U UJ 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U

Notes:








1,1-Dichloroethanecis-1,2-DichloroetheneChloroform1,1,1-TrichloroethaneBenzene1,2-DichloroethaneTrichloroetheneTolueneChlorobenzeneEthylbenzene1,3-Dichlorobenzene1,4-Dichlorobenzene1,2-Dichlorobenzene


Vinyl chloridetrans-1,2-Dichloroethene



VOLATILE COMPOUNDS

5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 720.0 D 600.0 790.0 D 660 950 D5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 5.45.0* 76 50 JH 49 34 16 1200 D 1000 900 D 1100 1500 D JL5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 5.0 U5.0* 5.4 5.0 U 5.0 U 5.0 U 5.0 U 4800.0 D 5300.0 D 4400.0 D 4700 5000 D JL5.0* 10 9.6 JH 8.3 7.7 5.8 20000 D 20000 D 19000 D 18000 D 24000 D5.0* 6.3 5.0 JH 5.0 U 5.0 U 5.0 U 69.0 UD 220.0 210.0 D 180 U 500 U UJL5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 69.0 UD 76.0 U 180.0 UD 180 U 20 JH

Notes:








Vinyl chloridetrans-1,2-Dichloroethene1,1-Dichloroethanecis-1,2-DichloroetheneChloroform1,1,1-TrichloroethaneBenzene1,2-DichloroethaneTrichloroetheneTolueneChlorobenzeneEthylbenzene1,3-Dichlorobenzene1,4-Dichlorobenzene1,2-Dichlorobenzene1,2,4-Trichlorobenzene


Location ID: GCP7-1 GCP7-1 GCP7-1 GCP7-1 GCP7-1 GCP7-2 GCP7-2 GCP7-2 GCP7-2 GCP7-2Sample ID: LSGWGCP7-1A LSGWGCP7-1B LSGWGCP7-1C LSGWGCP7-1D LSGWGCP7-1E LSGWGCP7-2A LSGWGCP7-2B LSGWGCP7-2C LSGWGCP7-2D LSGWGCP7-2E Sampling Date: 8/13/08 8/18/09 8/10/10 7/20/11 12/11/13 8/13/08 8/18/09 8/10/10 7/20/11 12/11/13Matrix: Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

VOLATILE COMPOUNDS

5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U

Notes:







Chlorobenzene

trans-1,2-Dichloroethene1,1-Dichloroethanecis-1,2-DichloroetheneChloroform1,1,1-Trichloroethane

TrichloroetheneToluene


Vinyl chloride

Benzene1,2-Dichloroethane

Ethylbenzene1,3-Dichlorobenzene1,4-Dichlorobenzene1,2-Dichlorobenzene1,2,4-Trichlorobenzene


Location ID: GCP8-1 GCP8-1 GCP8-1 GCP8-1 GCP8-1 GCP8-1 GCP8-2 GCP8-2 GCP8-2 GCP8-2 GCP8-2 GCP8-2Sample ID: LSGWGCP8-1A LSGWGCP10-1A LSGWGCP8-1B LSGWGCP8-1C LSGWGCP8-1D LSGWGCP8-1E LSGWGCP8-2A LSGWGCP8-2B LSGWGCP10-1B(1) LSGWGCP8-2C LSGWGCP8-2D LSGWGCP8-2ESampling Date: 8/12/08 8/12/08 8/18/09 8/11/10 7/19/11 12/10/13 8/12/08 8/19/09 8/19/09 8/11/10 7/19/11 12/10/13Matrix: Water Water Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

VOLATILE COMPOUNDS

5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 6.0 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 170 19 18 160 54 615.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U

Notes:()1) Duplicate Sample LSGWGCP10-1B - is referred to on the figures as DUP081909PQL Practical Quantitation Levelug/L Micrograms per liter* - Indicates a practical quantitation limit as defined in QAPP Worksheet 15 of the Final Quality Assurance Project Plan (dated May 2008).Validation QualifiersJ Estimated value (bias undetermined) - The analyte was positively identified; but the associated numerical value is the approximate concentration of the analyte in the sample.JH Estimated value (potential high bias)- The analyte was positively identified; but the associated numerical value is the approximate concentration, with a potential high bias, of






Ethylbenzene1,3-Dichlorobenzene1,4-Dichlorobenzene1,2-Dichlorobenzene1,2,4-Trichlorobenzene


Vinyl chloride

Benzene1,2-DichloroethaneTrichloroetheneTolueneChlorobenzene

trans-1,2-Dichloroethene1,1-Dichloroethanecis-1,2-DichloroetheneChloroform1,1,1-Trichloroethane


Location ID: GCP8-3 GCP8-3 GCP8-3 GCP8-3 GCP8-3 GCP8-3 GCP9-1 GCP9-1 GCP9-1 GCP9-1 GCP9-1Sample ID: LSGWGCP8-3A LSGWGCP8-3B LSGWGCP8-3C LSGWDUP01C LSGWGCP8-3D LSGWGCP8-3E LSGWGCP9-1A LSGWGCP9-1B LSGWGCP9-1C LSGWGCP9-1D LSGWGCP9-1ESampling Date: 8/12/08 8/19/09 8/11/10 8/11/10 7/19/11 12/10/13 8/14/08 8/20/09 8/11/10 7/20/11 12/12/13Matrix: Water Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

VOLATILE COMPOUNDS

5.0* 6.5 UD 8.5 U 31.0 UD 31.0 UD 20 U 5.0 U 12 UD 5 U 5 U 5 U 5 U5.0* 6.5 UD 8.5 U 31.0 UD 31.0 UD 20 U 5.0 U 12 UD 5 U 5 U 5 U 5 U5.0* 6.5 UD 8.5 U 31.0 UD 31.0 UD 20 U 5.0 U 12 UD 5 U 5 U 5 U 5 U5.0* 6.5 UD 8.5 U 31.0 UD 31.0 UD 20 U 5.0 U 12 UD 5 U 5 U 5 U 5 U5.0* 6.5 UD 8.5 U 31.0 UD 31.0 UD 20 U 5.0 U 12 UD 5 U 5 U 5 U 5 U5.0* 6.5 UD 8.5 U 31.0 UD 31.0 UD 20 U 5.0 U 12 UD 5 U 5 U 5 U 5 U5.0* 6.5 UD UJL 11.0 50.0 D 50.0 D 20 U 22.0 1900 D 180 190 170 1205.0* 6.5 UD 8.5 U 31.0 UD 31.0 UD 20 U 5.0 U 12 UD 5 U 5 U 5 U 5 U5.0* 6.5 UD UJL 8.5 U 31.0 UD 31.0 UD 20 U 5.0 U 12 UD 5 U 5 U 5 U 5 U5.0* 6.5 UD UJL 8.5 U 31.0 UD 31.0 UD 20 U 5.0 U 12 UD 5 U 5 U 5 U 5 U5.0* 1800 D 2100 D 3200 D 3200 D 1900 D 3900 D 3700 D 370 D 350 D 320 D 230 D5.0* 6.5 UD UJL 8.5 U 31.0 UD 31.0 UD 20 U 5.0 U 12 UD 5 U 5 U 5 U 5 U5.0* 6.5 UD 64.0 31.0 UD 31.0 UD 44 84 12 UD 5 U 5 U 5 U 5 U5.0* 1200.0 D 1500.0 D 1700.0 D 1600.0 D 1100 D 2400 D 38 D 21 17 17 95.0* 150.0 D 320.0 500.0 D 510.0 D 39 150 12 UD 5 U 5 U 5 U 5 U5.0* 6.5 UD 8.5 U 31.0 UD 31.0 UD 20 U 5 U 12 UD 5 U 5 U 5 U 5 U UJ

Notes:









1,2-Dichlorobenzene1,2,4-Trichlorobenzene




Location ID: GCP9-2 GCP9-2 GCP9-2 GCP9-2 GCP9-2Sample ID: LSGWGCP9-2A LSGWGCP9-2B LSGWGCP9-2C LSGWGCP9-2D LSGWGCP9-2E LSGWRB-07192011 LSGWRB-07202011 LSGWRB-07212011 LSGWRB-12102013 LSGWRB-12112013 LSGWRB-12122013 TB-07192011 TB-07202011 TB-07212011 TB-12102013 TB-12112013 TB-12122013Sampling Date: 8/14/08 8/20/09 8/11/10 7/20/11 12/12/13 7/19/11 7/20/11 7/21/11 12/10/13 12/11/13 12/12/13 7/19/11 7/20/11 7/21/11 12/10/13 12/11/13 12/12/13Matrix: Water Water Water Water Water Water Water Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

VOLATILE COMPOUNDS

5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 940 D 230 D 430 D 350 D 330 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 740 D 300 D 380 D 300 D 760 JL 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U5.0* 5 U 5 U 5 U 5.0 U 25.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U 5.0 U

Notes:








Vinyl chloridetrans-1,2-Dichloroethene1,1-Dichloroethanecis-1,2-DichloroetheneChloroform1,1,1-TrichloroethaneBenzene1,2-Dichloroethane


ChlorobenzeneEthylbenzene1,3-Dichlorobenzene1,4-Dichlorobenzene1,2-Dichlorobenzene

TrichloroetheneToluene

Table 4 - Concentrations of Metals in Groundwater Samples Collected at the Diamond Alkali Superfund Site Newark, New Jersey, Tierra Solutions, Inc.

Location ID: GCP1-1 GCP1-1 GCP1-1 GCP1-1 GCP1-1 GCP1-1 GCP1-2 GCP1-2 GCP1-2 GCP1-2 GCP1-2Sample ID: LSGWGCP1-1A LSGWGCP1-1B LSGWGCP11-1B(1) LSGWGCP1-1C LSGWGCP1-1D LSGWGCP1-1E LSGWGCP1-2A LSGWGCP1-2B LSGWGCP1-2C LSGWGCP1-2D LSGWGCP1-2ESampling Date: 8/14/08 8/26/09 8/26/09 8/12/10 7/21/11 12/12/13 8/14/08 8/26/09 8/12/10 7/21/11 12/12/13Matrix: Water Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

METALS

69* 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U60 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U10 10 U 10 U 10 U 11 10 U 10 U 15 15 10 18 14

8.6* 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U31* 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U10 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U62* 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U3.4* 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U UJ 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U UJ 3.4 U73* 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U18* 18 U 18 UN 18 UN 18 U 18 U 18 U 18 U 18 UN 18 U 18 U 18 U20 157 J 36 40 20 U 340 D 78 52 J 20 U 26 20 U 20 U

Notes:(1) Duplicate Sample LSGWGCP11-1B - is referred to on the figures as DUP082609ID IdentificationPQL Practical Quantitation LevelU The compound was not detected at the indicated concentration.J Indicates an estimated value. The compound was detected at a value below the method detection limit but greater than zero.ND The compound was not detected at the indicated concentration.ug/L Micrograms per liter

LeadZinc

CadmiumChromiumCopperMercuryNickel


SilverAntimonyArsenicBeryllium


Location ID: GCP1-2 GCP1-2 GCP2-1 GCP2-1 GCP2-1 GCP2-1 GCP2-1 GCP3-1 GCP3-1 GCP3-1 GCP3-1 GCP3-1Sample ID: LSGWGCP1-2C LSGWGCP1-2D LSGWGCP2-1A LSGWGCP2-1B LSGWGCP2-1C LSGWGCP2-1D LSGWGCP2-1E LSGWGCP3-1A LSGWGCP3-1B LSGWGCP3-1C LSGWGCP3-1D LSGWGCP3-1ESampling Date: 8/12/10 7/21/11 8/14/08 8/20/09 8/12/10 12/12/13 8/14/08 8/20/09 8/12/10 7/21/11 12/11/13Matrix: Water Water Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

METALS

69* 69 U 69 U 69 U 69 U 69 U 69 U 69.0 U 69 U 69 U 69 U 69 U 69 U60 60 U 60 U 60 U 60 U 60 U 60 U 60.0 U 60 U 60 U 60 U 60 U 60 U10 10 18 10 U 12 10 U 13 10.0 U 41 26 36 25 10 U

8.6* 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U31* 31 U 31 U 31 U 31 U 31 U 31 U 31.0 U 31 U 31 U 31 U 31 U 31 U10 10 U 10 U 10 U 10 U 10 U 18 10.0 U 105 95 104 119 1462* 62 U 62 U 62 U 62 U 62 U 62 U 62.0 U 62 U 62 U 62 U 62 U 62 U3.4* 3.4 U 3.4 U UJ 3.4 U 3.4 U 3.4 U 3.4 U UJ 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U UJ 3.4 U73* 73 U 73 U 73 U 73 U 73 U 73 U 73.0 U 73 U 73 U 73 U 73 U 73 U18* 18 U 18 U 18 U 18 U 18 U 18 U 18.0 U 57 25 32 29 18 U20 26 20 U 38 J 27 20 U 77 J 20.0 U 620 146 113 39 J 20 U

Notes:(1) Duplicate Sample LSGWGCP11-1B - is referred to on the figures as DUP082609ID IdentificationPQL Practical Quantitation LevelU The compound was not detected at the indicated concentration.J Indicates an estimated value. The compound was detected at a value below the method detection limit but greater than zero.ND The compound was not detected at the indicated concentration.ug/L Micrograms per liter

LeadZinc






METALS

69* 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U60 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U10 156 195 250 153 140 10 U 10 U 10 U 10 U 23

8.6* 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U31* 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U10 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U62* 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U3.4* 3.4 U 3.4 U 3.4 U 3.4 U UJ 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U73* 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U18* 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U20 122 J 96 80 32 22 255 20 U 469 617 D 46

Notes:ID IdentificationPQL Practical Quantitation LevelU The compound was not detected at the indicated concentration.J Indicates an estimated value. The compound was detected at a value below the method detection limit but greater than zero.ND The compound was not detected at the indicated concentration.ug/L Micrograms per liter* - Indicates a practical quantitation limit as defined in QAPP Worksheet 15 of the Final Quality Assurance Project Plan (dated May 2008).

LeadZinc






METALS

69* 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U60 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U10 39 22 28 30 10 U 10 U 10 U 10 U 10 U 10 U

8.6* 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U31* 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U10 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U62* 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U3.4* 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U UJ 3.4 U73* 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U18* 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U20 165 20 U 36 96 130 20 U 20 U 20 U 20 U 20 U


Zinc

ChromiumCopperMercuryNickelLead

SilverAntimonyArsenicBerylliumCadmium




METALS

69* 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U60 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U10 22 20 23 20 20 111 57 81 181 180

8.6* 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U31* 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U10 13 10 U 10 U 10 U 22 10 U 10 U 10 U 10 U 10 U62* 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U3.4* 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U73* 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U18* 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U20 20 U 20 U 20 U 20 U 20 U 291 20 U 20 U 20 U 20 U


MercuryNickelLeadZinc

ArsenicBerylliumCadmiumChromiumCopper


SilverAntimony



METALS

69* 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U60 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U10 15 33 27 21 34 173 176 269 170 130

8.6* 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U31* 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U10 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U62* 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U3.4* 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U73* 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U18* 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U20 80 33 242 41 J 170 54 102 212 99 J 31



SilverAntimonyArsenicBerylliumCadmiumChromiumCopperMercuryNickelLeadZinc


Location ID: GCP7-1 GCP7-1 GCP7-1 GCP7-1 GCP7-1 GCP7-2 GCP7-2 GCP7-2 GCP7-2 GCP7-2 GCP7-2Sample ID: LSGWGCP7-1A LSGWGCP7-1B LSGWGCP7-1C LSGWGCP7-1D LSGWGCP7-1E LSGWGCP7-2A LSGWGCP7-2B LSGWGCP7-2C LSGWGCP7-2D LSGWDUP01D LSGWDUP01ESampling Date: 8/13/08 8/18/09 8/10/10 7/20/11 12/11/13 8/13/08 8/18/09 8/10/10 7/20/11 7/20/11 12/11/13Matrix: Water Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

METALS

69* 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U60 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U10 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U

8.6* 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U31* 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U10 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U62* 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U3.4* 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U73* 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U18* 18 U 26 18 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U20 20 U 119 47 20 U 25 24 20 U 20 U 20 U 20 U 35





Location ID: GCP8-1 GCP8-1 GCP8-1 GCP8-1 GCP8-1 GCP8-1 GCP8-2 GCP8-2 GCP8-2 GCP8-2 GCP8-2 GCP8-2Sample ID: LSGWGCP8-1A LSGWGCP10-1A LSGWGCP8-1B LSGWGCP8-1C LSGWGCP8-1D LSGWGCP8-1E LSGWGCP8-2A LSGWGCP8-2B LSGWGCP10-1B(1) LSGWGCP8-2C LSGWGCP8-2D LSGWGCP8-2ESampling Date: 8/12/08 8/12/08 8/18/09 8/11/10 7/19/11 12/10/13 8/12/08 8/19/09 8/19/09 8/11/10 7/19/11 12/10/13Matrix: Water Water Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

METALS

69* 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U60 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U10 127 133 127 134 150 160 32 30 27 43 74 27

8.6* 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U31* 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U10 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 22 10 U62* 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U3.4* 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U73* 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U18* 18 U 18 U 18 U 18 U 22 18 U 18 U 18 U 18 U 22 102 18 U20 20 U 20 U 20 U 20 U 22 R 20 U 20 U 66 59 84 426 D J 20 U


Zinc

ChromiumCopperMercuryNickelLead


SilverAntimonyArsenicBerylliumCadmium


Location ID: GCP8-3 GCP8-3 GCP8-3 GCP8-3 GCP8-3 GCP8-3 GCP9-1 GCP9-1 GCP9-1 GCP9-1 GCP9-1Sample ID: LSGWGCP8-3A LSGWGCP8-3B LSGWGCP8-3C LSGWDUP01C LSGWGCP8-3D LSGWGCP8-3E LSGWGCP9-1A LSGWGCP9-1B LSGWGCP9-1C LSGWGCP9-1D LSGWGCP9-1ESampling Date: 8/12/08 8/19/09 8/11/10 8/11/10 7/19/11 12/10/13 8/14/08 8/20/09 8/11/10 7/20/11 12/12/13Matrix: Water Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

METALS

69* 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U60 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U10 129 134 134 136 93 120 22 33 16 18 20

8.6* 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U31* 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U10 10 U 10 U 10 U 10 U 10 U 10 U 47 10 U 10 U 10 U 10 U62* 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U3.4* 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U73* 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U18* 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 30 2720 20 U 20 U 20 U 20 U 22 R 20 20 U 20 U 20 U 26 30

Notes:(1) Duplicate Sample LSGWGCP10-1B - is referred to on the figures as DUP081909ID IdentificationPQL Practical Quantitation LevelU The compound was not detected at the indicated concentration.J Indicates an estimated value. The compound was detected at a value below the method detection limit but greater than zero.ND The compound was not detected at the indicated concentration.ug/L Micrograms per liter* - Indicates a practical quantitation limit as defined in QAPP Worksheet 15 of the Final Quality Assurance Project Plan (dated May 2008).




Location ID: GCP9-2 GCP9-2 GCP9-2 GCP9-2 GCP9-2Sample ID: LSGWGCP9-2A LSGWGCP9-2B LSGWGCP9-2C LSGWGCP9-2D LSGWGCP9-2E LSGWRB-07192011 LSGWRB-07202011 LSGWRB-07212011 LSGWRB-12222013 LSGWRB-12102013 LSGWRB-12112013Sampling Date: 8/14/08 8/20/09 8/11/10 7/20/11 12/12/13 7/19/11 7/20/11 7/21/11 12/22/13 12/10/13 12/11/13Matrix: Water Water Water Water Water Water Water Water Water Water WaterUnits: ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

METALS

69* 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U 69 U60 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U 60 U10 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U

8.6* 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U 8.6 U31* 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U 31 U10 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U 10 U62* 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U 62 U3.4* 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U 3.4 U UJ 3.4 U 3.4 U 3.4 U73* 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U 73 U18* 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U 18 U20 20 U 20 U 20 U 20 U 20 U 23.7 20 U 20 U 20 U 20 U 20 U


CopperMercury


SilverAntimonyArsenic

NickelLeadZinc

BerylliumCadmiumChromium

Table 5 - Concentrations of 2,3,7,8-TCDD in Groundwater Samples Collected at the Diamond Alkali Superfund Site Newark, New Jersey, Tierra Solutions, Inc.

Location ID: GCP1-1 GCP1-1 GCP1-1 GCP1-1 GCP1-1 GCP1-1 GCP1-1 GCP1-2 GCP1-2 GCP1-2 GCP1-2 GCP1-2Sample ID: LSGWGCP1-1A LSGWGCP1-1B LSGWGCP11-1B(1) LSGWGCP1-1C LSGWGCP1-1DR LSGWDUP01DR LSGWGCP1-1E LSGWGCP1-2A LSGWGCP1-2B LSGWGCP1-2C LSGWGCP1-2DR LSGWGCP1-2ESampling Date: 8/14/08 8/26/09 8/26/09 8/12/10 10/10/11 10/10/11 12/11/13 8/14/08 8/26/09 8/12/10 10/10/11 12/12/13Matrix: Water Water Water Water Water Water Water Water Water Water Water Water

Units: pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L

DIOXINS

81* 167 81 ND 94 81 ND 193 D 227 D 81 ND 524 639 1960 620 D 608

Notes:(1) Duplicate Sample LSGWGCP11-1B - is referred to on the figures as DUP082609ID IdentificationPQL Practical Quantitation LevelD The compound was reported from the Diluted analysisND The compound was not detected at the indicated concentration.pg/L Picograms per liter* - Indicates a practical quantitation limit as defined in QAPP Worksheet 15 of the Final Quality Assurance Project Plan (dated May 2008).

2,3,7,8-TCDD

Project Quantitation Limit

Goal (pg/L)


Location ID: GCP2-1 GCP2-1 GCP2-1 GCP2-1 GCP2-1 GCP3-1 GCP3-1 GCP3-1 GCP3-1 GCP3-1Sample ID: LSGWGCP2-1A LSGWGCP2-1B LSGWGCP2-1C LSGWGCP2-1D LSGWGCP2-1E LSGWGCP3-1A LSGWGCP3-1B LSGWGCP3-1C LSGWGCP3-1D LSGWGCP3-1E

Duplicate Sam Sampling Date: 8/14/08 8/20/09 8/12/10 7/21/11 12/12/13 8/14/08 8/20/09 8/12/10 7/21/11 12/11/13Matrix: Water Water Water Water Water Water Water Water Water WaterUnits: pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L

DIOXINS

81* 227 261 184 406 81 ND 2330 D 1210 1340 991 189

Notes:ID IdentificationPQL Practical Quantitation LevelD The compound was reported from the Diluted analysisND The compound was not detected at the indicated concentration.pg/L Picograms per liter* - Indicates a practical quantitation limit as defined in QAPP Worksheet 15 of the Final Quality Assurance Project Plan (dated May 2008).


Goal (pg/L)

2,3,7,8-TCDD


Location ID: GCP3-2 GCP3-2 GCP3-2 GCP3-2 GCP3-2 GCP4-1 GCP4-1 GCP4-1 GCP4-1 GCP4-1Sample ID: LSGWGCP3-2A LSGWGCP3-2B LSGWGCP3-2C LSGWGCP3-2D LSGWGCP3-2E LSGWGCP4-1A LSGWGCP4-1B LSGWGCP4-1C LSGWGCP4-1D LSGWGCP4-1ESampling Date: 8/14/08 8/20/09 8/12/10 7/21/11 12/11/13 8/13/08 8/18/09 8/10/10 7/20/11 12/11/13Matrix: Water Water Water Water Water Water Water Water Water WaterUnits: pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L

DIOXINS

81* 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 87.2 81 ND 81 ND



Goal (pg/L)

2,3,7,8-TCDD



DIOXINS

81* 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND



Goal (pg/L)

2,3,7,8-TCDD



DIOXINS




Goal (pg/L)

2,3,7,8-TCDD



DIOXINS


Notes:(1) Duplicate Sample LSGWGCP10-1B - is referred to on the figures as DUP081909ID IdentificationPQL Practical Quantitation LevelD The compound was reported from the Diluted analysisND The compound was not detected at the indicated concentration.pg/L Picograms per liter* - Indicates a practical quantitation limit as defined in QAPP Worksheet 15 of the Final Quality Assurance Project Plan (dated May 2008).


Goal (pg/L)

2,3,7,8-TCDD

Table 5- Concentrations of 2,3,7,8-TCDD in Groundwater Samples Collected at the Diamond Alkali Superfund Site Newark, New Jersey, Tierra Solutions, Inc.

Location ID: GCP7-1 GCP7-1 GCP7-1 GCP7-1 GCP7-1 GCP7-2 GCP7-2 GCP7-2 GCP7-2 GCP7-2 GCP7-2 GCP7-2Sample ID: LSGWGCP7-1A LSGWGCP7-1B LSGWGCP7-1C LSGWGCP7-1D LSGWGCP7-1E LSGWGCP7-2A LSGWGCP7-2B LSGWGCP7-2C LSGWGCP7-2D LSGWGCP7-2E LSGWDUP01D LSGWDUP01ESampling Date: 8/13/08 8/18/09 8/10/10 7/20/11 12/11/13 8/13/08 8/18/09 8/10/10 7/20/11 12/11/13 7/20/11 12/11/13Matrix: Water Water Water Water Water Water Water Water Water Water Water WaterUnits: pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L

DIOXINS

81* 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND



Goal (pg/L)

2,3,7,8-TCDD


Location ID: GCP8-1 GCP8-1 GCP8-1 GCP8-1 GCP8-1 GCP8-1 GCP8-2 GCP8-2 GCP8-2 GCP8-2 GCP8-2 GCP8-2Sample ID: LSGWGCP8-1A LSGWGCP10-1A LSGWGCP8-1B LSGWGCP8-1C LSGWGCP8-1D LSGWGCP8-1E LSGWGCP8-2A LSGWGCP8-2B LSGWGCP10-1B(1) LSGWGCP8-2C LSGWGCP8-2D LSGWGCP8-2ESampling Date: 8/12/08 8/12/08 8/18/09 8/11/10 7/19/11 12/10/13 8/12/08 8/19/09 8/19/09 8/11/10 7/19/11 12/10/13Matrix: Water Water Water Water Water Water Water Water Water Water Water WaterUnits: pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L

DIOXINS

81* 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND



Goal (pg/L)

2,3,7,8-TCDD


Location ID: GCP8-3 GCP8-3 GCP8-3 GCP8-3 GCP8-3 GCP8-3 GCP9-1 GCP9-1 GCP9-1 GCP9-1 GCP9-1Sample ID: LSGWGCP8-3A LSGWGCP8-3B LSGWGCP8-3C LSGWDUP01C LSGWGCP8-3D LSGWGCP8-3E LSGWGCP9-1A LSGWGCP9-1B LSGWGCP9-1C LSGWGCP9-1D LSGWGCP9-1ESampling Date: 8/12/08 8/19/09 8/11/10 8/11/10 7/19/11 12/10/13 8/14/08 8/20/09 8/11/10 7/20/11 12/12/13Matrix: Water Water Water Water Water Water Water Water Water Water WaterUnits: pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L

DIOXINS

81* 81 ND 81 ND 81 ND 81 ND 81 ND 369 949 2030 6500 D 24700 D 16000 D



Goal (pg/L)

2,3,7,8-TCDD


Location ID: GCP9-2 GCP9-2 GCP9-2 GCP9-2 GCP9-2Sample ID: LSGWGCP9-2A LSGWGCP9-2B LSGWGCP9-2C LSGWGCP9-2D LSGWGCP9-2E LSGWGRB-07192011 LSGWGRB-07202011 LSGWRB-07212011 LSGWRB-12102013 LSGWRB-12112013 LSGWRB-12122013Sampling Date: 8/14/08 8/20/09 8/11/10 7/20/11 12/12/13 7/19/11 7/20/11 7/21/11 12/10/13 12/11/13 12/12/13Matrix: Water Water Water Water Water Water Water Water Water Water WaterUnits: pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L pg/L

DIOXINS

81* 1110 440 248 763 211 J 81 ND 81 ND 81 ND 81 ND 81 ND 81 ND



Goal (pg/L)

2,3,7,8-TCDD

Figures

Appendix A

December 2013 LFPS Purge Logs

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