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MONMOUTH COUNTY

Monmouth 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 0.75 0.45 2 0.01% 9% 53% 38% 0%
Acrolein 0.094 0.02 5 0.004% 11% 52% 37% 0%
Acrylonitrile 0.0028 0.015 0.2 88% 12% 0% 0% 0%
Arsenic compounds 0.000044 0.00023 0.2 12% 86% 2% 0.2% 0%
Benzene 1.2 0.13 9 1% 3% 34% 20% 42%
Beryllium compounds 0.000011 0.00042 0.03 2% 98% 0% 0.003% 0%
1,3-Butadiene 0.039 0.0036 11 0.002% 2% 81% 17% 0%
Cadmium compounds 0.000063 0.00029 0.2 4% 96% 0% 0.01% 0%
Carbon tetrachloride 0.88 0.067 13 0.001% 0.1% 0% 0% 100%
Chloroform 0.090 0.043 2 0.2% 7% 0% 0% 92%
Chromium compounds 0.00056 0.00025 2 9% 64% 8% 18% 0%
Coke oven emissions 0 0.0016 0 0% 0% 0% 0% 0%
1,3-Dichloropropene 0.094 0.25 0.4 0% 100% 0% 0% 0%
Diesel particulate matter 5.0 0.5 10 0% 0% 18% 82% ***
Ethylene dibromide 0.0077 0.0045 2 0.02% 0.01% 0% 0% 100%
Ethylene dichloride 0.061 0.038 2 1% 0.1% 0% 0% 99%
Ethylene oxide 0.0030 0.011 0.3 23% 77% 0% 0% 0%
Formaldehyde 1.2 0.077 15 0.1% 6% 30% 42% 22%
Hexachlorobenzene 0.000093 0.0022 0.04 0% 0.3% 0% 0% 100%
Hydrazine 0.0000064 0.0002 0.03 76% 24% 0% 0% 0%
Lead compounds 0.0048 0.1 0.05 2% 58% 1% 39% 0%
Manganese compounds 0.0015 0.05 0.03 1% 90% 1% 7% 0%
Mercury compounds 0.0021 0.3 0.01 2% 24% 0.03% 1% 72%
Methylene chloride 0.37 2.1 0.2 3% 56% 0% 0% 41%
Nickel compounds 0.00087 0.0032 0.3 2% 88% 4% 6% 0%
Perchloroethylene 0.24 0.17 1 2% 38% 0% 0% 60%
Polychlorinated biphenyls 0.00038 0.01 0.04 0% 0.01% 0% 0% 100%
Polycyclic organic matter 0.076 0.018 4 2% 98% 0.3% 0.1% 0%
7-PAH 0.0042 0.0051 0.8 0.02% 97% 3% 0.3% 0%
Propylene dichloride 0.00017 0.053 0.003 89% 11% 0% 0% 0%
Quinoline 0.00000065 0.00029 0.002 0% 100% 0% 0% 0%
1,1,2,2-Tetrachloroethane 0.0014 0.017 0.08 95% 4% 0% 0% 0%
Trichloroethylene 0.13 0.5 0.3 13% 24% 0% 0% 63%
Vinyl chloride 0.0039 0.11 0.03 91% 9% 0% 0% 0%

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Last Updated: March 18, 2011