CAMDEN
COUNTY
| Camden
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 |
1.5 |
0.45 |
3 |
0.04% |
10% |
53% |
36% |
0% |
| Acrolein |
0.19 |
0.02 |
10 |
0.03% |
10% |
48% |
43% |
0% |
| Acrylonitrile |
0.0037 |
0.015 |
0.2 |
71% |
29% |
0% |
0% |
0% |
| Arsenic
compounds |
0.00025 |
0.00023 |
1 |
21% |
46% |
0.5% |
34% |
0% |
| Benzene |
2.1 |
0.13 |
16 |
13% |
4% |
45% |
15% |
23% |
| Beryllium
compounds |
0.000029 |
0.00042 |
0.07 |
9% |
88% |
0% |
2% |
0% |
| 1,3-Butadiene |
0.086 |
0.0036 |
24 |
0.02% |
1% |
77% |
22% |
0% |
| Cadmium
compounds |
0.00070 |
0.00029 |
2 |
4% |
95% |
0% |
1% |
0% |
| Carbon
tetrachloride |
0.88 |
0.067 |
13 |
0.001% |
0.3% |
0% |
0% |
100% |
| Chloroform |
0.10 |
0.043 |
2 |
2% |
17% |
0% |
0% |
81% |
| Chromium
compounds |
0.022 |
0.00025 |
90 |
1% |
95% |
0.3% |
3% |
0% |
| Coke
oven emissions |
0 |
0.0016 |
0 |
0% |
0% |
0% |
0% |
0% |
| 1,3-Dichloropropene |
0.15 |
0.25 |
0.6 |
0% |
100% |
0% |
0% |
0% |
| Diesel
particulate matter |
3.9 |
0.5 |
8 |
0% |
0% |
27% |
73% |
*** |
| Ethylene
dibromide |
0.0077 |
0.0045 |
2 |
0.02% |
0.01% |
0% |
0% |
100% |
| Ethylene
dichloride |
0.11 |
0.038 |
3 |
44% |
0.4% |
0% |
0% |
56% |
| Ethylene
oxide |
0.0079 |
0.011 |
0.7 |
0.3% |
100% |
0% |
0% |
0% |
| Formaldehyde |
2.0 |
0.077 |
26 |
1% |
5% |
36% |
46% |
13% |
| Hexachlorobenzene |
0.000093 |
0.0022 |
0.04 |
0% |
0.1% |
0% |
0% |
100% |
| Hydrazine |
0.00000016 |
0.0002 |
0.001 |
0% |
100% |
0% |
0% |
0% |
| Lead
compounds |
0.013 |
0.1 |
0.1 |
1% |
52% |
1% |
45% |
0% |
| Manganese
compounds |
0.0063 |
0.05 |
0.1 |
4% |
87% |
0.5% |
9% |
0% |
| Mercury
compounds |
0.0043 |
0.3 |
0.01 |
4% |
59% |
0.02% |
1% |
35% |
| Methylene
chloride |
0.63 |
2.1 |
0.3 |
4% |
72% |
0% |
0% |
24% |
| Nickel
compounds |
0.0055 |
0.0032 |
2 |
8% |
36% |
1% |
55% |
0% |
| Perchloroethylene |
0.37 |
0.17 |
2 |
1% |
61% |
0% |
0% |
38% |
| Polychlorinated
biphenyls |
0.00040 |
0.01 |
0.04 |
0% |
4% |
0% |
0% |
96% |
| Polycyclic
organic matter |
0.15 |
0.018 |
8 |
19% |
81% |
0.2% |
0.1% |
0% |
| 7-PAH |
0.0072 |
0.0051 |
1 |
0.04% |
97% |
2% |
0.4% |
0% |
| Propylene
dichloride |
0.00020 |
0.053 |
0.004 |
78% |
22% |
0% |
0% |
0% |
| Quinoline |
0.00000098 |
0.00029 |
0.003 |
0% |
100% |
0% |
0% |
0% |
| 1,1,2,2-Tetrachloroethane |
0.0015 |
0.017 |
0.09 |
97% |
3% |
0% |
0% |
0% |
| Trichloroethylene |
0.24 |
0.5 |
0.5 |
34% |
32% |
0% |
0% |
34% |
| Vinyl
chloride |
0.0097 |
0.11 |
0.09 |
95% |
5% |
0% |
0% |
0% |
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