UNITED STATES ENVIRONMENTAL PROTECTION AGENCY QUICKLOOK CRITERIA PARAMETERS May. 27, 2011 Report Request ID: 875953 Report Code: AMP450

Selection Criteria Page1 User ID:AER

State County City

Site Parameter POC AQCR UAR CBSA CSA EPA Region Method Duration Begin Date End Date 11 51 51 51 51 51 24 24 510

013 059 153 107 033 017 GEOGRAPHIC SELECTIONS

PROTOCOL SELECTIONS Parameter Classification Parameter Method Duration 44201 W SELECTED OPTIONS EVENTS PROCESSING MERGE PDF FILES WORKFILE DELIMITER Option Type Option Value EXCLUDE REGIONALLY CONCURRED EVENTS

YES , SORT ORDER 1 2 3 4 5 6 7 Order Column

PARAMETER_CODE STATE_CODE COUNTY_CODE SITE_ID POC DATES EDT_ID GLOBAL DATES 2008 Start Date End Date 2010 Tribal Code

APPLICABLE STANDARDS Standard Description Ozone 8-Hour 2008May. 27, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page1of 7 EXCEPTIONAL DATA TYPES EDT DESCRIPTION 0 1 2 5 NO EVENTS EVENTS EXCLUDED EVENTS INCLUDED EVENTS WITH CONCURRENCE EXCLUDEDMay. 27, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page2of 7 Ozone (44201) District Of Columbia Parts per million (007)
SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 4TH MAX 8-HR CERTEDT 11-001-0025

11-001-0025

11-001-0025

11-001-0041 11-001-0041 11-001-0041 11-001-0043 11-001-0043 11-001-0043 1

1

1

1 1 1 1 1 1 0350

0350

0350

0350 0350 0350 0350 0350 0350 Washington
Washington
Washington
Washington Washington Washington Washington Washington Washington District of

Columbia
District of Columbia
District of Columbia
District of Columbia District of Columbia District of Columbia District of Columbia District of Columbia District of TAKOMA SC. 7010 PINEY BRANCH RD. N.W., WASHINGTON, DC 20012 TAKOMA SC. 7010 PINEY BRANCH RD. N.W., WASHINGTON, DC 20012 TAKOMA SC. 7010 PINEY BRANCH RD. N.W., WASHINGTON, DC 20012 420 34th Street N.E.,Washington , DC 20019 420 34th Street N.E.,Washington , DC 20019 420 34th Street N.E.,Washington , DC 20019 2500 1ST STREET, N.W. WASHINGTON DC 2500 1ST STREET, N.W. WASHINGTON DC 2500 1ST 2008

2009

2010

2008 2009 2010 2008 2009 2010 019

019

000

019 019 019 000 019 019 .089

.082

.087

.092 .080 .096 .100 .085 .100 .087

.074

.085

.087 .078 .090 .096 .076 .088 0

0

0

0 0 0 0 0 0 8-HOUR NUM DAYS REQ 214

214

214

214 214 214 214 214 214 .083

.073

.080

.086 .067 .089 .086 .074 .086 .075

.072

.079

.082 .064 .086 .084 .071 .082 DAY MAX> STD 3

1

6

6 2 15 8 2 16 214

189

213

213 211 211 213 213 213 %OBS 100

88

100

100 99 99 100 100 100 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRMay. 27, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page3of 7 Ozone (44201) Maryland Parts per million (007)
SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 4TH MAX 8-HR CERTEDT 24-017-0010 24-017-0010 24-017-0010 24-033-0030

24-033-0030

24-033-0030

24-033-8003
24-033-8003
24-033-8003 1

1 1 1

1

1

1
1
1 1002 1002 1002 1002

1002

1002

1002
1002
1002 Hughesville Hughesville Hughesville Beltsville

Beltsville

Beltsville
Greater Upper Marlboro Greater Upper Marlboro Greater Upper Marlboro Charles

Charles Charles Prince George's
Prince George's
Prince George's
Prince George's Prince George's Prince George's Oaks Road Oaks Road Oaks Road Howard University's Beltsville Laboratory, 12003 Old Baltimore Pike Howard University's Beltsville Laboratory, 12003 Old Baltimore Pike Howard University's Beltsville Laboratory, 12003 Old Baltimore Pike PG County Equestrian Center, 14900 Pennsylvania Ave. PG County Equestrian Center, 14900 Pennsylvania Ave. PG County Equestrian 2008

2009 2010 2008

2009

2010

2008
2009
2010 047 047 047 047

047

047

047
047
047 .089 .072 .093 .097

.076

.094

.081
.071
.090 .086

.071 .087 .085

.073

.091

.080
.068
.090 0 0 0 0

0

0

0
0
0 8-HOUR NUM DAYS REQ 214 214 214 214

214

214

214
214
214 .083 .068 .087 .085

.071

.087

.080
.068
.088 .078

.066 .082 .081

.070

.085

.079
.067
.085 DAY MAX> STD 9 0 7 9

1

16

10
0
9 206 214 213 208

189

204

211
214
208 %OBS 96 100 100 97

88

95

99
100
97 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRMay. 27, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page4of 7 Ozone (44201) Virginia Parts per million (007)
SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 4TH MAX 8-HR CERTEDT 51-013-0020 51-013-0020 51-013-0020 51-059-0005 51-059-0005 51-059-0018 51-059-0018 51-059-0018 51-059-0030 51-059-0030 51-059-0030 51-059-1005 51-059-1005 1

1 1 1 1 1 1 1 1 1 1 1 1 1127 1127 1127 1127 1127 1127 1127 1127 1127 1127 1127 1127 1127 Arlington Arlington Arlington Not in a city Not in a city Hybla Valley Hybla Valley Hybla Valley Groveton Groveton Groveton Annandale Annandale Arlington

Arlington Arlington Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax S 18TH AND HAYES ST S 18TH AND HAYES ST S 18TH AND HAYES ST CUB RUN LEE RD CHANT.(CUBRUN TREAT PLANT CUB RUN LEE RD CHANT.(CUBRUN TREAT PLANT MT.VERNON 2675 SHERWOOD HALL LANE MT.VERNON 2675 SHERWOOD HALL LANE MT.VERNON 2675 SHERWOOD HALL LANE STA. 46-B9, LEE PARK, TELEGRAPH ROAD STA. 46-B9, LEE PARK, TELEGRAPH ROAD STA. 46-B9, LEE PARK, TELEGRAPH ROAD 6507 COLUMBIA PIKE 6507 COLUMBIA PIKE 2008

2009 2010 2008 2009 2008 2009 2010 2008 2009 2010 2008 2009 047 047 047 047 047 047 047 047 047 047 047 047 047 .104 .078 .092 .098 .068 .095 .075 .075 .095 .080 .095 .102 .077 .093

.077 .089 .080 .067 .092 .074 .075 .088 .073 .091 .088 .073 0 0 0 0 0 0 0 0 0 0 0 0 0 8-HOUR NUM DAYS REQ 214 214 214 214 214 214 214 214 214 214 214 214 214 .089 .069 .088 .079 .065 .085 .071 .069 .085 .071 .089 .082 .072 .084

.067 .087 .078 .065 .085 .069 .068 .085 .070 .089 .082 .070 DAY MAX> STD 8 2 13 5 0 7 0 0 6 1 13 10 1 213 213 211 209 213 214 214 85 211 212 213 175 214 %OBS 100 100 99 98 100 100 100 40 99 99 100 82 100 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRMay. 27, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page5of 7 Ozone (44201) Virginia Parts per million (007)
SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 4TH MAX 8-HR CERTEDT 51-059-5001 51-059-5001 51-107-1005 51-107-1005 51-107-1005 51-153-0009 51-153-0009 51-153-0009 51-510-0009 51-510-0009 51-510-0009 1

1 1 1 1 1 1 1 1 1 1 1127 1127 1127 1127 1127 1127 1127 1127 1127 1127 1127 McLean McLean Not in a city Not in a city Not in a city Not in a city Not in a city Not in a city Alexandria Alexandria Alexandria Fairfax

Fairfax Loudoun Loudoun Loudoun Prince William Prince William Prince William Alexandria City Alexandria City Alexandria City LEWINSVILLE 1437 BALLS HILL RD LEWINSVILLE 1437 BALLS HILL RD 38-I, BROAD RUN HIGH SCHOOL, ASHBURN 38-I, BROAD RUN HIGH SCHOOL, ASHBURN 38-I, BROAD RUN HIGH SCHOOL, ASHBURN JAMES S. LONG PARK JAMES S. LONG PARK JAMES S. LONG PARK 517 N SAINT ASAPH ST, ALEXANDRIA HEALTH 517 N SAINT ASAPH ST, ALEXANDRIA HEALTH 517 N SAINT ASAPH ST, ALEXANDRIA HEALTH 2008

2009 2008 2009 2010 2008 2009 2010 2008 2009 2010 047 047 047 047 047 047 047 047 047 047 047 .102 .074 .100 .069 .092 .082 .068 .093 .090 .069 .092 .090

.072 .089 .068 .084 .076 .065 .079 .077 .067 .085 0 0 0 0 0 0 0 0 0 0 0 8-HOUR NUM DAYS REQ 214 214 214 214 214 214 214 214 214 214 214 .081 .068 .080 .068 .083 .075 .065 .075 .077 .067 .082 .080

.068 .079 .068 .078 .074 .064 .073 .075 .066 .081 DAY MAX> STD 6 0 8 0 5 2 0 2 3 0 10 213 214 208 214 209 209 213 211 202 208 209 %OBS 100 100 97 100 98 98 100 99 94 97 98 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRMay. 27, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page6of 7 44201 44201 44201 000

019 047 MULTIPLE METHODS

INSTRUMENTAL INSTRUMENTAL MULTIPLE METHODS ULTRA VIOLET ULTRA VIOLET PARAMETER METHOD

CODE COLLECTION METHOD ANALYSIS METHOD METHODS USED IN THIS REPORTMay. 27, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page 7of 7 PQAOS USED IN THIS REPORT PQAO AGENCY DESCRIPTION 0350 1002 1127 District Dept of Environment, Air Quality Div - DDOE/AQD State Of Maryland Air Management Administration Virginia Department of Environmental Quality