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
|
- E. Providence (1997)
|
0.088 |
0.16 |
0.55 |
yes |
- W. Greenwich (1997)
|
0.020 |
0.020 |
1.0 |
yes |
Acetaldehyde
|
- E. Providence (1997)
|
0.73 |
2.2 |
0.33 |
yes |
Benzene
|
- E. Providence (1997)
|
1.5 |
1.3 |
1.2 |
yes |
- W. Greenwich (1997)
|
0.65 |
0.70 |
0.93 |
yes |
Carbon Tetrachloride
|
- E. Providence (1997)
|
0.85 |
0.70 |
1.2 |
yes |
- W. Greenwich (1997)
|
0.69 |
0.64 |
1.1 |
yes |
Chloroform
|
- E. Providence (1997)
|
0.080 |
0.15 |
0.54 |
no |
- W. Greenwich (1997)
|
0.065 |
0.050 |
1.3 |
no |
Dichloromethane
|
- E. Providence (1997)
|
0.73 |
0.74 |
0.99 |
no |
- W. Greenwich (1997)
|
0.16 |
0.28 |
0.58 |
no |
Ethylbenzene
|
- E. Providence (1997)
|
0.80 |
0.60 |
1.3 |
no |
- W. Greenwich (1997)
|
0.18 |
0.20 |
0.92 |
no |
Formaldehyde
|
- E. Providence (1997)
|
1.3 |
3.8 |
0.33 |
yes |
Methyl Tert-Butyl Ether
|
- E. Providence (1997)
|
1.4 |
3.1 |
0.45 |
no |
- W. Greenwich (1997)
|
0.33 |
0.58 |
0.56 |
no |
N-Hexane
|
- E. Providence (1997)
|
0.98 |
1.0 |
0.98 |
no |
- W. Greenwich (1997)
|
0.17 |
0.20 |
0.85 |
no |
Styrene
|
- E. Providence (1997)
|
0.12 |
0.11 |
1.1 |
no |
- W. Greenwich (1997)
|
0.020 |
0.020 |
1.0 |
no |
Tetrachloroethylene
|
- E. Providence (1997)
|
0.49 |
0.48 |
1.0 |
yes |
- W. Greenwich (1997)
|
0.14 |
0.070 |
2.0 |
no |
Toluene
|
- E. Providence (1997)
|
5.7 |
4.2 |
1.4 |
no |
- W. Greenwich (1997)
|
1.2 |
1.0 |
1.2 |
no |
Trichloroethylene
|
- E. Providence (1997)
|
0.31 |
2.5 |
0.13 |
yes |
Xylene (Mixed Isomers)
|
- E. Providence (1997)
|
3.3 |
2.5 |
1.3 |
no |
- W. Greenwich (1997)
|
0.84 |
0.60 |
1.4 |
no |
|
