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PM2.5 Summary Data - 2002

VIRGINIA 2002
PM2.5 PARTICULATE MATTER SUMMARY BY REGION
METHOD CODE 118 - GRAVIMETRIC, R & P MODEL 2025 SEQUENTIAL
Micrograms Per Cubic Meter (ug/m3)



LOCATION

24-HOUR SAMPLINGQUARTERLY ARITHMETIC MEAN
ANNUAL
ARITH.
MEAN

NO.
OBS.

MAX
2ND
MAX
98th PERCENTILE VALUEIIIIIIIV

SOUTHWEST REGION

BRISTOL
Highlands View Elementary School

113

37.3

36.7

33.3

11.5

14.8

17.9

12.1

14.1

VALLEY REGION

LURAY
Luray Caverns Airport
118 40.6 36.0 35.3 10.1 13.4 18.3 11.0 13.2

WEST CENTRAL REGION

ROANOKE
Raleigh Court Library
119 39.5 35.5 33.5 12.8 13.4 19.7 11.6 14.4
SALEM
Market Street Fire Station
119 40.7 37.0 36.0 12.2 14.5 21.7 11.9 15.1
LYNCHBURG
Central Va. Community College

107

35.4

33.4

32.1

10.7

13.5

19.6

11.3

13.8

PIEDMONT REGION

CHESTERFIELD CO.
Bensley Armory
113 33.0 32.7 30.2 10.4 13.5 16.9 13.2 13.5
HENRICO CO.
Math & Science Center
113 37.5 32.1 28.9 12.0 13.6 17.2 12.1 13.7



VIRGINIA 2002
PM2.5 PARTICULATE MATTER SUMMARY BY REGION



LOCATION
24-HOUR SAMPLINGQUARTERLY ARITHMETIC MEAN
ANNUAL

ARITH.
MEAN
NO.
OBS.
MAX
2ND
MAX
98TH PERCENTILE VALUEIIIIIIIV

PIEDMONT REGION (cont.)

HENRICO CO.
Piedmont Regional Office
118 38.8 31.6 30.0 10.0 13.3 17.4 11.7 13.1
CHARLES CITY CO.
Route #608
114 34.7 29.4 28.7 10.9 12.5 16.5 10.2 12.5
RICHMOND
Air Monitoring Office
352 50.5 46.2 32.5 12.3 12.1 17.6 12.0 13.5

TIDEWATER REGION

CHESAPEAKE
Oscar Smith Stadium
333 49.4 39.2 29.8 10.6 12.1 13.7 11.2 11.9
HAMPTON
Va. School for the Deaf & Blind

114

32.9

27.3

22.5

10.4

11.0

13.6

11.6

11.7
NEWPORT NEWS
Pump Station #103
114 33.7 33.5 27.8 9.8 11.8 14.6 11.4 11.9
NORFOLK
NOAA Facility
118 50.8 34.2 33.6 10.7 11.9 16.6 11.4 12.6
VA. BEACH
Tidewater Regional Office

113

50.2

38.0

36.5

10.8

11.2

15.8

12.1

12.4

VIRGINIA 2002

PM2.5 PARTICULATE MATTER SUMMARY BY REGION



LOCATION

24-HOUR SAMPLINGQUARTERLY
ARITHMETIC MEAN

ANNUAL

ARITH.
MEAN
NO.
OBS.
MAX
2ND
MAX
98TH PERCENTILE VALUEIIIIIIIV

NORTHERN REGION

LOUDOUN CO.
Broad Run High School
117 45.3 38.3 32.3 10.4 14.3 18.4 11.1 13.5
FAIRFAX CO.
Lee District Park
349 48.9 48.8 37.9 10.3 13.2 17.7 11.7 13.2
ARLINGTON CO.
Aurora Hills Visitors Center

120

52.2

39.3

37.1

11.7

15.3

19.2

13.7

15.0
FAIRFAX CO.
McLean Governmental Center

113

48.9

35.1

34.7

11.5

14.3

19.1

12.0

14.2
FAIRFAX CO.
Mason Governmental Center *

85

48.0

35.0

35.0

NA

15.1

17.8

11.8

NA

* New Station