Statewide
Statewide Average 1996 NATA Modeled Air Concentrations
Compared to Health Benchmarks |
Pollutant |
Modeled
Air Concentration (ug/m3) |
Health
Benchmark (ug/m3) |
Risk
Ratio |
%
Contribution by Source Category |
Point |
Area |
Onroad
Mobile |
Nonroad
Mobile |
Background |
Acetaldehyde |
1.2 |
0.45 |
3 |
0.03% |
10% |
48% |
42% |
0% |
Acrolein |
0.16 |
0.02 |
8 |
0.01% |
10% |
44% |
46% |
0% |
Acrylonitrile |
0.00070 |
0.015 |
0.05 |
4% |
96% |
0% |
0% |
0% |
Arsenic
compounds |
0.00018 |
0.00023 |
0.8 |
23% |
71% |
1% |
5% |
0% |
Benzene |
1.7 |
0.13 |
13 |
3% |
4% |
43% |
21% |
29% |
Beryllium
compounds |
0.000035 |
0.00042 |
0.08 |
5% |
94% |
0% |
0.2% |
0% |
1,3-Butadiene |
0.085 |
0.0036 |
24 |
0.1% |
1% |
78% |
21% |
0% |
Cadmium
compounds |
0.00021 |
0.00029 |
0.7 |
8% |
91% |
0% |
1% |
0% |
Carbon
tetrachloride |
0.88 |
0.067 |
13 |
0% |
0.1% |
0% |
0% |
100% |
Chloroform |
0.10 |
0.043 |
2 |
9% |
10% |
0% |
0% |
81% |
Chromium
compounds |
0.015 |
0.00024 |
64 |
86% |
12% |
1% |
2% |
0% |
1,3-Dichloropropene |
0.16 |
0.25 |
0.6 |
0% |
100% |
0% |
0% |
0% |
Diesel
particulate matter |
4.4 |
0.5 |
9 |
0% |
0% |
24.04% |
75.96% |
*** |
Ethylene
dibromide |
0.0077 |
0.0045 |
2 |
0% |
0.03% |
0% |
0% |
100% |
Ethylene
dichloride |
0.067 |
0.038 |
2 |
9% |
.3% |
0% |
0% |
91% |
Ethylene
oxide |
0.012 |
0.011 |
1 |
10% |
90% |
0% |
0% |
0% |
Formaldehyde |
1.9 |
0.077 |
24 |
0.3% |
5% |
31% |
51% |
13% |
Hexachlorobenzene |
0.000093 |
0.0022 |
0.04 |
0% |
0.3% |
0% |
0% |
100% |
Hydrazine |
0.00015 |
0.0002 |
0.7 |
23% |
77% |
0% |
0% |
0% |
Lead
compounds |
0.011 |
0.1 |
0.1 |
2% |
33% |
1% |
64% |
0% |
Manganese
compounds |
0.0051 |
0.05 |
0.1 |
9% |
85% |
1% |
5% |
0% |
Mercury
compounds |
0.002 |
0.3 |
0.007 |
5% |
15% |
0.1% |
3% |
77% |
Methylene
chloride |
0.67 |
2.1 |
0.3 |
9% |
69% |
0% |
0% |
22% |
Nickel
compounds |
0.0035 |
0.0083 |
0.4 |
12% |
74% |
2% |
12% |
0% |
Perchloroethylene |
0.34 |
0.17 |
2 |
2% |
57% |
0% |
0% |
41% |
Polychlorinated
biphenyls |
0.00038 |
0.01 |
0.04 |
0% |
0.5% |
0% |
0% |
100% |
Polycyclic
organic matter |
0.059 |
0.018 |
3 |
0.4% |
99% |
1% |
0.2% |
0% |
7-PAH |
0.0071 |
0.005 |
0.1 |
0.2% |
76% |
21% |
3% |
0% |
Propylene
dichloride |
0.000046 |
0.056 |
0.0008 |
0% |
100% |
0% |
0% |
0% |
Quinoline |
0.0000023 |
0.00029 |
0.008 |
0% |
100% |
0% |
0% |
0% |
1,1,2,2-Tetrachloroethane |
0.00012 |
0.017 |
0.007 |
1% |
99% |
0% |
0% |
0% |
Trichloroethylene |
0.19 |
0.5 |
0.5 |
20% |
38% |
0% |
0% |
43% |
Vinyl
chloride |
0.0026 |
0.11 |
0.1 |
76% |
24% |
0% |
0% |
0% |
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