ATLANTIC
COUNTY
Atlantic County Average 1999 NATA Modeled Air Concentrations Compared to Health Benchmarks |
Pollutant |
Modeled
Air Concentration (ug/m3) |
Health
Benchmark (ug/m3) |
Risk
Ratio |
%
Contribution from |
Major Sources |
Area
Sources |
On-road
Mobile Sources |
Nonroad
Mobile Sources |
Background |
Acetaldehyde |
1 |
0.45 |
2 |
0.9% |
4% |
30% |
13% |
52% |
Acrolein |
0.06 |
0.020 |
3 |
0.08% |
39% |
39% |
22% |
0% |
Arsenic Compounds |
0.0009 |
0.00023 |
4 |
98% |
2% |
0% |
0% |
0% |
Benzene |
0.9 |
0.13 |
7 |
0.06% |
8% |
27% |
22% |
44% |
Bis(2-ethylhexyl)phthalate |
2 |
0.42 |
4 |
0.0003% |
0.003% |
0% |
0% |
100% |
1,3-Butadiene |
0.1 |
0.033 |
3 |
0.005% |
4% |
25% |
17% |
54% |
Cadmium Compounds |
0.00002 |
0.00024 |
0.1 |
18% |
82% |
0% |
0.1% |
0% |
Carbon Tetrachloride |
0.3 |
0.067 |
4 |
0.02% |
0.1% |
0% |
0% |
100% |
Chloroform |
0.06 |
0.043 |
1.4 |
0.04% |
32% |
0% |
0% |
67% |
Chromium (hexavalent form) |
0.00002 |
0.000083 |
0.2 |
23% |
51% |
23% |
2% |
0% |
1,4-Dichlorobenzene |
0.03 |
0.091 |
0.3 |
0% |
100% |
0% |
0% |
0% |
1,3-Dichloropropene |
0.06 |
0.25 |
0.2 |
0% |
100% |
0% |
0% |
0% |
Diesel Particulate Matter |
1 |
0.0033 |
314 |
0% |
0% |
44% |
56% |
0% |
Ethylene Dibromide |
0.03 |
0.0017 |
15 |
0% |
0.001% |
0% |
0% |
100% |
Ethylene Dichloride |
0.04 |
0.038 |
1 |
0.03% |
0.1% |
0% |
0% |
100% |
Ethylene Oxide |
0.0009 |
0.011 |
0.1 |
0% |
100% |
0% |
0% |
0% |
Formaldehyde |
1 |
0.077 |
16 |
0.2% |
8% |
18% |
8% |
66% |
Methyl Chloride |
1 |
0.56 |
2 |
0.003% |
0.5% |
0% |
0% |
99% |
Naphthalene |
0.03 |
0.029 |
0.9 |
0.3% |
66% |
27% |
7% |
0% |
Nickel Compounds |
0.001 |
0.0064 |
0.2 |
81% |
17% |
2% |
0.8% |
0% |
Perchloroethylene |
0.1 |
0.17 |
0.9 |
0.003% |
26% |
0% |
0% |
74% |
1,1,2,2-Tetrachloroethane |
0.06 |
0.017 |
3 |
0% |
0.4% |
0% |
0% |
100% |
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