PM 2.5 Summary Data - 2000
VIRGINIA 2000
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 SAMPLING | QUARTERLY ARITHMETIC MEAN | ANNUAL | ||||||
|---|---|---|---|---|---|---|---|---|---|
NO. | MAX ** | 2ND MAX ** | I | II | III | IV | ARITH. MEAN | 98th PERCENTILE VALUE | |
SOUTHWEST REGION | |||||||||
| BRISTOL Highlands View Elementary School |
110 |
52.8e |
41.6 |
16.0 |
16.3 |
15.8 |
17.6 |
16.4 |
36.0 |
VALLEY REGION | |||||||||
| LURAY Luray Caverns Airport |
107 | 69.4e | 31.5 | 11.3 | 12.7 | 14.5 | 14.5 | 13.3 | 29.9 |
WEST CENTRAL REGION | |||||||||
| ROANOKE Raleigh Court Library |
116 | 39.4e | 36.9 | 14.8 | 16.8 | 16.5 | 15.4 | 15.9 | 35.1 |
| SALEM Market Street Fire Station |
117 | 43.6e | 39.3 | 13.0 | 16.9 | 16.9 | 15.3 | 15.5 | 35.5 |
| LYNCHBURG Central Va. Community College |
77 |
37.1e |
36.3 |
NA* |
19.0* |
16.1 |
14.1 |
NA* |
33.5 |
PIEDMONT REGION | |||||||||
| CHESTERFIELD CO. Bensley Armory |
110 | 37.3 | 35.3 | 13.9 | 14.6 | 17.2 | 14.8 | 15.1 | 34.6 |
| HENRICO CO. Math & Science Center |
115 | 37.7 | 35.7 | 13.0 | 14.7 | 15.6 | 15.0 | 14.6 | 32.0 |
* Did not meet EPA's minimum requirements for data capture.
**Flagged values (denoted by the letter "e") were influenced by the fires in October & November of 2000.
These values were included in the No. of Observations, but were excluded from both the 4th Qtr. and
Annual Arithmetic Means, and the 98th Percentile value, and will not be used in determining
compliance with the NAAQS.
VIRGINIA 2000
PM2.5 PARTICULATE MATTER SUMMARY BY REGION
LOCATION | 24-HOUR SAMPLING | QUARTERLY ARITHMETIC MEAN | ANNUAL | ||||||
|---|---|---|---|---|---|---|---|---|---|
| NO. OBS. | MAX ** | 2ND MAX ** | I | II | III | IV | ARITH. MEAN | 98TH PERCENTILE VALUE | |
PIEDMONT REGION (cont.) | |||||||||
| HENRICO CO. Piedmont Regional Office |
106 |
36.5 |
32.6 |
11.9* |
14.5 |
16.6 |
14.1 |
14.3 |
31.0 |
| CHARLES CITY CO. Route #608 |
104 | 36.7e | 36.5 | 10.7* | 14.4* | 15.7 | 13.9 | 13.7* | 32.3 |
| RICHMOND Air Monitoring Office |
327 | 48.9e | 39.3e | 12.7* | 14.6 | 16.6 | 16.4 | 15.1* | 33.6 |
TIDEWATER REGION | |||||||||
| CHESAPEAKE Oscar Smith Stadium |
284 | 38.2 | 35.3 | 12.6* | 13.4* | 13.9 | 14.5 | 13.6* | 29.8 |
| HAMPTON Va. School for the Deaf & Blind |
104 |
38.5 |
35.0 |
11.3 |
13.4 |
15.6 |
12.9* |
13.3* |
30.9 |
| NEWPORT NEWS Pump Station #103 |
113 | 37.7 | 31.5 | 10.5 | 13.1 | 14.5 | 13.9 | 13.0 | 30.1 |
| NORFOLK NOAA Facility |
117 | 40.2 | 36.6e | 11.2 | 14.3 | 15.1 | 13.9 | 13.6 | 29.7 |
| VA. BEACH Tidewater Regional Office |
116 |
39.4 |
33.6e |
11.4 |
13.0 |
13.7 |
14.0 |
13.0 |
28.3 |
* Did not meet EPA's minimum requirements for data capture.
**Flagged values (denoted by the letter "e") were influenced by the fires in October & November of 2000.
These values were included in the No. of Observations, but were excluded from both the 4th Qtr. and
Annual Arithmetic Means, and the 98th Percentile value, and will not be used in determining
compliance with the NAAQS.
VIRGINIA 2000
PM2.5 PARTICULATE MATTER SUMMARY BY REGION
| 24-HOUR SAMPLING | QUARTERLY ARITHMETIC MEAN | ANNUAL | ||||||
|---|---|---|---|---|---|---|---|---|---|
| NO. OBS. | MAX ** | 2ND MAX ** | I | II | III | IV | ARITH. MEAN | 98TH PERCENTILE VALUE | |
NORTHERN REGION | |||||||||
| LOUDOUN CO. Broad Run High School |
115 | 50.3e | 46.0 | 11.8 | 14.4 | 14.7 | 13.0 | 13.5 | 35.7 |
| FAIRFAX CO. Lee District Park |
318 | 37.5 | 36.5 | 12.4 | 14.2 | 15.2 | 14.4 | 14.1 | 35.2 |
| ARLINGTON CO. Aurora Hills Visitors Center |
120 |
47.5e |
42.7 |
13.8 |
14.6 |
15.6 |
14.3 |
14.6 |
34.3 |
| FAIRFAX CO. McLean Governmental Center |
104 |
47.7e |
37.9 |
13.1 |
15.8 |
15.4* |
14.8 |
14.8* |
36.9 |
| FAIRFAX CO. Seven Corners |
91 | 47.0e | 38.7 | 13.2* | 16.3 | 15.8 | 14.7* | 15.0* | 38.4 |
**Flagged values (denoted by the letter "e") were influenced by the fires in October & November of 2000.
These values were included in the No. of Observations, but were excluded from both the 4th Qtr. and
Annual Arithmetic Means, and the 98th Percentile value, and will not be used in determining
compliance with the NAAQS.