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Dallas-Fort Worth Air Quality Update Air Quality Division Office of Air Air Quality Division David Brymer, Director State Implementation Plan Public Information Meeting Arlington, Texas September 5, 2013

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Dallas-Fort Worth Air Quality Update

Air Quality Division

Office of Air Air Quality Division

David Brymer, Director

State Implementation Plan Public Information Meeting Arlington, Texas

September 5, 2013

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 2

Dallas-Fort Worth (DFW) Area Trends in Ozone Design Values and Human Population from 1991-2012

0

1

2

3

4

5

6

7

8

0

20

40

60

80

100

120

140

160

1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012

Millionsppb

Population

Eight-Hour Ozone Design Values

One-Hour Ozone Design Values

1997 Eight-Hour Ozone NAAQS: 84 ppb

2008 Eight-Hour Ozone NAAQS: 75 ppb

*Design Values are from EPA's AQS. **Population from US Census Bureau.

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 3

Eight-Hour Ozone Regulatory Design Value (DVR) Changes by Monitor - 2003 / 9-4-2013

Greenville NA / 72

Rockwall Heath 81 / 77

Kaufman 73 / 72

Italy NA / 72

Cleburne 90 / 78

Granbury 84 / 75

Parker 89 / 79

Pilot Point NA / 84

Denton Airport 97 / 87

Midlothian NA / 76

Arlington NA / 80

Dallas Exec. 85 / 78

Hinton 90 / 84

Dallas North 86 / 83

Grapevine 100 / 85

Keller 100 / 84

Fort Worth NW 96 / 79

Eagle Mountain Lake 96 / 80

Frisco 88 / 84

Corsicana NA / 71

Color Coding:

• Monitors in red were operational prior to 2000

• Monitors in blue began operation in 2000

• Monitors in green began operation after 2000

Note: • 2013 values

were updated on September 4 and are subject to change by the end of the ozone season.

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 4

DFW Area Fourth-Highest Eight-Hour Ozone Levels Current Monitors That Began Operation Before 2000

50

60

70

80

90

100

110

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

Dallas Executive Airport Dallas Hinton Street

Dallas North #2 Denton Airport South

Frisco Fort Worth Northwest

Keller 75 ppb Standard

84 ppb Standard

ppb

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 5

DFW Eight-Hour Ozone Regulatory Design Values Current Monitors That Began Operation Before 2000

Monitored regulatory ozone design value (DVR): three-year rolling average of the fourth highest reading per year. Example: The 2012 monitored design value is an average of the fourth highest monitored levels from 2010, 2011, and 2012.

50

60

70

80

90

100

110

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

Dallas Executive Airport Dallas Hinton Street

Dallas North #2 Denton Airport South

Frisco Fort Worth Northwest

Keller 75 ppb Standard

84 ppb Standard

ppb

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 6

DFW Area Fourth-Highest Eight-Hour Ozone Levels Current Monitors That Began Operation in 2000

50

60

70

80

90

100

110

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

Cleburne Airport Eagle Mountain Lake

Granbury Grapevine Fairway

Kaufman Parker County

Rockwall Heath 75 ppb Standard

84 ppb Standard

ppb

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 7

DFW Eight-Hour Ozone Regulatory Design Values Current Monitors That Began Operation in 2000

Monitored regulatory ozone design value (DVR): three-year rolling average of the fourth highest reading per year. Example: The 2012 monitored design value is an average of the fourth highest monitored levels from 2010, 2011, and 2012.

50

60

70

80

90

100

110

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

Cleburne Airport Eagle Mountain Lake

Granbury Grapevine Fairway

Kaufman Parker County

Rockwall Heath 75 ppb Standard

84 ppb Standard

ppb

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 8

DFW Area Fourth-Highest Eight-Hour Ozone Levels Across All Monitors from 2000 to 2013

50

60

70

80

90

100

110

Fou

rth

Hig

hes

t Ei

ght-

Ho

ur

Ozo

ne

Rea

din

g(p

pb

)

Calendar Year

Maximum Minimum

Average 75 ppb Standard

84 ppb Standard

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 9

DFW Area Eight-Hour Ozone Design Values Across All Monitors from 2000 to 2013

50

60

70

80

90

100

110

Eigh

t-H

ou

r O

zon

e D

esig

n V

alu

e(p

pb

)

Yearly Range for Eight-Hour Ozone Design Value

Maximum Minimum

Average 75 ppb Standard

84 ppb Standard

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 10

DFW Area Daily Maximum Eight-Hour Ozone Level Monitored from May 1 – September 3, 2013

30

35

40

45

50

55

60

65

70

75

80

85

90

95

Max

imu

m E

igh

t-H

ou

r O

zon

e Le

vel(

pp

b)

Maximum Eight-Hour Ozone

75 ppb Standard

84 ppb Standard

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 11

DFW Area Eight-Hour Ozone Exceedance Days from 1991 through 2012

0

20

40

60

80

100

120

140

160

EarlyJan

LateJan

EarlyFeb

LateFeb

EarlyMar

LateMar

EarlyApr

LateApr

EarlyMay

LateMay

EarlyJun

LateJun

EarlyJul

LateJul

EarlyAug

LateAug

EarlySep

LateSep

EarlyOct

LateOct

EarlyNov

LateNov

EarlyDec

LateDec

Days

2008 NAAQS : 76 ppb or Greater

1997 NAAQS : 85 ppb or Greater

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 12

Number of DFW Area Monitors Exceeding Eight-Hour Ozone Standard from 2003-2012

1617 17

1617

13 13

11

14

16

11

1312 12

10

43

23 3

1718 18

17 1718

1718

1920

0

5

10

15

20

25

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012

Monitors

Number of Monitors with aDesign Value > 75 ppb

Number of Monitors with aDesign Value > 84 ppb

Number of Monitors with aValid Design Value

Air Quality Division • DFW Air Quality Update • David Brymer • September 5, 2013 • Page 13

Questions?

David Brymer

[email protected]

512-239-1725