ATLANTIC
COUNTY
| Atlantic
County 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 |
0.35 |
0.45 |
0.8 |
0.3% |
10% |
56% |
34% |
0% |
| Acrolein |
0.053 |
0.02 |
3 |
0.03% |
18% |
54% |
28% |
0% |
| Acrylonitrile |
0.0021 |
0.015 |
0.1 |
4% |
97% |
0% |
0% |
0% |
| Arsenic
compounds |
0.00053 |
0.00023 |
2 |
93% |
7% |
0.1% |
0.2% |
0% |
| Benzene |
0.94 |
0.13 |
7 |
1% |
4% |
29% |
15% |
51% |
| Beryllium
compounds |
0.000029 |
0.00042 |
0.07 |
45% |
55% |
0% |
0.03% |
0% |
| 1,3-Butadiene |
0.038 |
0.0036 |
10 |
0.003% |
3% |
73% |
25% |
0% |
| Cadmium
compounds |
0.000080 |
0.00029 |
0.3 |
19% |
80% |
0% |
0.1% |
0% |
| Carbon
tetrachloride |
0.88 |
0.067 |
13 |
0.00002% |
0.05% |
0% |
0% |
100% |
| Chloroform |
0.086 |
0.043 |
2 |
0.001% |
4% |
0% |
0% |
97% |
| Chromium
compounds |
0.00022 |
0.00025 |
0.9 |
15% |
52% |
11% |
22% |
0% |
| Coke
oven emissions |
0 |
0.0016 |
0 |
0% |
0% |
0% |
0% |
0% |
| 1,3-Dichloropropene |
0.068 |
0.25 |
0.3 |
0% |
100% |
0% |
0% |
0% |
| Diesel
particulate matter |
2.0 |
0.5 |
4 |
0% |
0% |
32% |
68% |
*** |
| Ethylene
dibromide |
0.0077 |
0.0045 |
2 |
0.001% |
0.01% |
0% |
0% |
100% |
| Ethylene
dichloride |
0.062 |
0.038 |
2 |
0.5% |
0.4% |
0% |
0% |
99% |
| Ethylene
oxide |
0.0015 |
0.011 |
0.1 |
0% |
100% |
0% |
0% |
0% |
| Formaldehyde |
0.69 |
0.077 |
9 |
0.2% |
6% |
30% |
28% |
36% |
| Hexachlorobenzene |
0.000093 |
0.0022 |
0.04 |
0% |
0.3% |
0% |
0% |
100% |
| Hydrazine |
0.000000007 |
0.0002 |
0.00004 |
0% |
100% |
0% |
0% |
0% |
| Lead
compounds |
0.0042 |
0.1 |
0.04 |
2% |
85% |
1% |
12% |
0% |
| Manganese
compounds |
0.00097 |
0.05 |
0.02 |
11% |
83% |
1% |
5% |
0% |
| Mercury
compounds |
0.0020 |
0.3 |
0.01 |
1% |
23% |
0.02% |
1% |
75% |
| Methylene
chloride |
0.29 |
2.1 |
0.1 |
0.1% |
49% |
0% |
0% |
51% |
| Nickel
compounds |
0.00081 |
0.0032 |
0.3 |
52% |
39% |
2% |
7% |
0% |
| Perchloroethylene |
0.21 |
0.17 |
1 |
0.1% |
32% |
0% |
0% |
68% |
| Polychlorinated
biphenyls |
0.00038 |
0.01 |
0.04 |
0% |
0.02% |
0% |
0% |
100% |
| Polycyclic
organic matter |
0.053 |
0.018 |
3 |
5% |
95% |
0.2% |
0.1% |
0% |
| 7-PAH
* |
0.0028 |
0.0051 |
0.5 |
0.002% |
97% |
2% |
0.5% |
0% |
| Propylene
dichloride |
0.00012 |
0.053 |
0.002 |
4% |
96% |
0% |
0% |
0% |
| Quinoline |
0.000000045 |
0.00029 |
0.0002 |
0% |
100% |
0% |
0% |
0% |
| 1,1,2,2-Tetrachloroethane |
0.0011 |
0.017 |
0.06 |
4% |
96% |
0% |
0% |
0% |
| Trichloroethylene |
0.11 |
0.5 |
0.2 |
0.4% |
28% |
0% |
0% |
71% |
| Vinyl
chloride |
0.0027 |
0.11 |
0.02 |
6% |
94% |
0% |
0% |
0% |
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