UNITED STATES ENVIRONMENTAL PROTECTION AGENCY QUICKLOOK CRITERIA PARAMETERS Dec. 29, 2010 Report Request ID: 820433 Report Code: AMP450

Selection Criteria Page 1 User ID:AER

State County City

Site Parameter POC AQCR UAR CBSA CSA EPA Region Method Duration Begin Date End Date 11 24 24 24 24 24 51 51 009

033 031 017 021 059 510 GEOGRAPHIC SELECTIONS

PROTOCOL SELECTIONS Parameter Classification Parameter Method Duration QUICK LOOK 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 2007 Start Date End Date 2009 Tribal

APPLICABLE STANDARDS Standard Description Ozone 8-Hour 2008Dec. 29, 2010

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



### Page 1of9 EXCEPTIONAL DATA TYPES EDT DESCRIPTION 0 1 2 5 NO EVENTS EVENTS EXCLUDED EVENTS INCLUDED EVENTS WITH CONCURRENCE EXCLUDEDDec. 29, 2010

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



### Page2of9 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 2007

2008

2009

2007 2008 2009 2007 2008 2009 019

019

019

019 019 019 000 000 019 .087

.089

.082

.091 .092 .080 .093 .100 .085 .087

.087

.074

.091 .087 .078 .092 .096 .076 0

0

0

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

214

214

214 214 214 214 214 214 .085

.083

.073

.090 .086 .067 .089 .086 .074 .084

.075

.072

.089 .082 .064 .087 .084 .071 DAY MAX > 0.075 12

3

1

14 6 2 14 8 2 210

214

189

214 213 211 211 213 213 %OBS 98

100

88

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

MAX 8-HR 3RD

MAX 8-HRDec. 29, 2010

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



### Page3of9 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 24-009-0011 24-009-0011 24-009-0011 24-017-0010 24-017-0010 24-017-0010 24-021-0037 24-021-0037 24-021-0037 24-031-3001

24-031-3001 1

1 1 1 1 1 1 1 1 1

1 1002 1002 1002 1002 1002 1002 1002 1002 1002 1002

1002 Not in a city Not in a city Not in a city Hughesville Hughesville Hughesville Frederick Frederick Frederick Rockville

Rockville Calvert

Calvert Calvert Charles Charles Charles Frederick Frederick Frederick Montgomery
Montgomery 350 Stafford Road 350 Stafford Road 350 Stafford Road Oaks Road Oaks Road Oaks Road Frederick County Airport ,180 E Airport Drive Frederick County Airport ,180 E Airport Drive Frederick County Airport ,180 E Airport Drive Lathrop E. Smith Environmental Education Center, 5110 Meadowside Lane Lathrop E. Smith Environmental Education Center, 5110 Meadowside Lane 2007

2008 2009 2007 2008 2009 2007 2008 2009 2007

2008 047 047 047 047 047 047 047 047 047 047

047 .089 .087 .076 .100 .089 .072 .089 .085 .073 .103

.094 .082

.080 .072 .092 .086 .071 .088 .082 .072 .091

.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 .079 .079 .069 .084 .083 .068 .088 .076 .072 .088

.082 .079

.077 .068 .083 .078 .066 .086 .075 .069 .088

.076 DAY MAX > 0.075 9 6 1 16 9 0 18 3 0 17

5 200 189 201 214 206 214 213 210 208 138

191 %OBS 93 88 94 100 96 100 100 98 97 64

89 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRDec. 29, 2010

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



### Page 4of9 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 24-031-3001

24-033-0030

24-033-0030

24-033-0030

24-033-8003
24-033-8003 1

1

1

1

1
1 1002

1002

1002

1002

1002
1002 Rockville

Beltsville

Beltsville

Beltsville
Greater Upper Marlboro Greater Upper Marlboro Montgomery

Prince George's
Prince George's
Prince George's
Prince George's Prince George's Lathrop E. Smith Environmental Education Center, 5110 Meadowside Lane 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. 2009

2007

2008

2009

2007
2008 047

047

047

047

047
047 .074

.089

.097

.076

.110
.081 .072

.086

.085

.073

.097
.080 0

0

0

0

0
0 8-HOUR NUM DAYS REQ 214

214

214

214

214
214 .071

.085

.085

.071

.091
.080 .070

.084

.081

.070

.088
.079 DAY MAX > 0.075 0

14

9

1

17
10 209

213

208

189

202
211 %OBS 98

100

97

88

94
99 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRDec. 29, 2010

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



### Page5of9 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 24-033-8003 1 1002 Greater Upper Marlboro Prince George's PG County Equestrian Center, 14900 Pennsylvania Ave. 2009 047 .071 .068 0 8-HOUR NUM DAYS REQ 214 .068 .067 DAY MAX > 0.075 0 214 %OBS 100 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRDec. 29, 2010

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



### Page6of9 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 51-059-0005 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 51-059-1005 51-059-5001 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 Not in a city Not in a city Not in a city Hybla Valley Hybla Valley Hybla Valley Groveton Groveton Groveton Annandale Annandale Annandale McLean Fairfax

Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax Fairfax CUB RUN LEE RD CHANT.(CUBRUN TREAT PLANT 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 6507 COLUMBIA PIKE LEWINSVILLE 2007

2008 2009 2007 2008 2009 2007 2008 2009 2007 2008 2009 2007 000 047 047 000 047 047 047 047 047 000 047 047 000 .081 .098 .068 .095 .095 .075 .094 .095 .080 .095 .102 .077 .092 .079

.080 .067 .095 .092 .074 .090 .088 .073 .088 .088 .073 .089 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 .078 .079 .065 .089 .085 .071 .088 .085 .071 .084 .082 .072 .084 .078

.078 .065 .088 .085 .069 .085 .085 .070 .084 .082 .070 .083 DAY MAX > 0.075 6 5 0 16 7 0 14 6 1 16 10 1 14 213 209 213 214 214 214 213 211 212 212 175 214 211 %OBS 100 98 100 100 100 100 100 99 99 99 82 100 99 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRDec. 29, 2010

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



### Page 7of9 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 51-510-0009 51-510-0009 51-510-0009 1

1 1 1 1 1127 1127 1127 1127 1127 McLean McLean Alexandria Alexandria Alexandria Fairfax

Fairfax Alexandria City Alexandria City Alexandria City LEWINSVILLE 1437 BALLS HILL RD LEWINSVILLE 1437 BALLS HILL RD 517 N SAINT ASAPH ST, ALEXANDRIA HEALTH 517 N SAINT ASAPH ST, ALEXANDRIA HEALTH 517 N SAINT ASAPH ST, ALEXANDRIA HEALTH 2008

2009 2007 2008 2009 047 047 047 047 047 .102 .074 .090 .090 .069 .090

.072 .085 .077 .067 0 0 0 0 0 8-HOUR NUM DAYS REQ 214 214 214 214 214 .081 .068 .085 .077 .067 .080

.068 .084 .075 .066 DAY MAX > 0.075 6 0 11 3 0 213 214 212 202 208 %OBS 100 100 99 94 97 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRDec. 29, 2010

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



### Page 8of9 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 REPORTDec. 29, 2010

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



### Page9of9 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