POLLUTION LOCATOR|Hazardous Air Pollutants | Compare Measured with Estimated HAP Concentrations

County:      GALVESTON


HAP
Monitor Station (Year)
Estimated Annual
1996 Average
Concentration
(ug/m3)
Measured Annual Average Concentration (ug/m3)  Estimated/
Measured
Ratio
Measured
 Concentration
Greater Than
Clean Air Act
Goal

1,3-Butadiene

17TH & 5TH AVE. N. PUMPHOUSE ROOF, TEXAS CITY (2001)
0.12 0.45 0.27 yes
2516 1/2 TEXAS AVENUE, TEXAS CITY (2001)
0.12 3.0 0.041 yes
8715 CESSNA STREET, GALVESTON (2001)
0.12 0.30 0.40 yes
Benzene

17TH & 5TH AVE. N. PUMPHOUSE ROOF, TEXAS CITY (2001)
2.0 2.3 0.86 yes
2516 1/2 TEXAS AVENUE, TEXAS CITY (2001)
2.0 4.2 0.47 yes
8715 CESSNA STREET, GALVESTON (2001)
2.0 1.4 1.4 yes
Carbon Tetrachloride

17TH & 5TH AVE. N. PUMPHOUSE ROOF, TEXAS CITY (2001)
0.95 0.39 2.4 yes
2516 1/2 TEXAS AVENUE, TEXAS CITY (2001)
0.95 0.34 2.8 yes
8715 CESSNA STREET, GALVESTON (2001)
0.95 0.37 2.6 yes
Dichloromethane

17TH & 5TH AVE. N. PUMPHOUSE ROOF, TEXAS CITY (2001)
0.31 0.27 1.1 no
2516 1/2 TEXAS AVENUE, TEXAS CITY (2001)
0.31 0.19 1.6 no
8715 CESSNA STREET, GALVESTON (2001)
0.31 0.28 1.1 no
Ethylbenzene

17TH & 5TH AVE. N. PUMPHOUSE ROOF, TEXAS CITY (2001)
0.80 0.50 1.6 no
2516 1/2 TEXAS AVENUE, TEXAS CITY (2001)
0.80 1.4 0.59 no
8715 CESSNA STREET, GALVESTON (2001)
0.80 0.24 3.3 no
Methyl Tert-Butyl Ether

17TH & 5TH AVE. N. PUMPHOUSE ROOF, TEXAS CITY (2001)
1.3 1.8 0.72 no
2516 1/2 TEXAS AVENUE, TEXAS CITY (2001)
1.3 1.3 0.99 no
8715 CESSNA STREET, GALVESTON (2001)
1.3 0.48 2.7 no
N-Hexane

17TH & 5TH AVE. N. PUMPHOUSE ROOF, TEXAS CITY (2001)
3.6 1.7 2.1 no
2516 1/2 TEXAS AVENUE, TEXAS CITY (2001)
3.6 2.4 1.5 no
8715 CESSNA STREET, GALVESTON (2001)
3.6 0.80 4.5 no
Styrene

17TH & 5TH AVE. N. PUMPHOUSE ROOF, TEXAS CITY (2001)
0.19 0.27 0.70 no
2516 1/2 TEXAS AVENUE, TEXAS CITY (2001)
0.19 0.37 0.51 no
Tetrachloroethylene

2516 1/2 TEXAS AVENUE, TEXAS CITY (2001)
0.21 0.37 0.56 yes
Toluene

17TH & 5TH AVE. N. PUMPHOUSE ROOF, TEXAS CITY (2001)
4.1 1.8 2.3 no
2516 1/2 TEXAS AVENUE, TEXAS CITY (2001)
4.1 2.3 1.8 no
8715 CESSNA STREET, GALVESTON (2001)
4.1 1.0 4.1 no
Trichloroethylene

8715 CESSNA STREET, GALVESTON (2001)
0.10 1.5 0.072 yes