POLLUTION LOCATOR|Hazardous Air Pollutants | Source Categories Contributing to Chemical-specific Risks

County:      HURON


HAP Sort by Added Cancer Risk (per 1,000,000) Sort by Noncancer Hazard Index Percent Emitted from Point Sources Percent Emitted from Area Sources Percent Emitted from Mobile Sources Percent from Background Levels

DIESEL EMISSIONS 510 0.34 0% 0% 43% 57%
CARBON TETRACHLORIDE 38 0.022 0% 0.0059% 0% 100%
BENZENE 22 0.012 0.00097% 4.0% 30% 66%
CHROMIUM 5.7 0.0048 1.4% 89% 9.9% 0%
1,3-BUTADIENE 3.8 0.0011 0% 14% 86% 0%
POLYCYCLIC ORGANIC MATTER (POM) 3.3 -- 0.00032% 98% 1.9% 0%
FORMALDEHYDE 2.8 0.16 0.00072% 6.1% 39% 55%
1,2-DICHLOROETHANE 1.3 0.00015 0.00036% 0.029% 0% 100%
TETRACHLOROETHYLENE 1.0 0.0044 5.1% 13% 0% 82%
CADMIUM 0.67 0.019 0.068% 100% 0.038% 0%
1,2-DIBROMOETHANE 0.57 0.010 0% 2.3% 0% 98%
CHLOROFORM 0.44 0.00027 0% 0.60% 0% 99%
ACETALDEHYDE 0.42 0.017 0.0017% 11% 89% 0%
1,3-DICHLOROPROPENE (MIXED ISOMERS) 0.39 0.0012 0% 100% 0% 0%
DICHLOROMETHANE 0.27 0.00067 8.1% 35% 0% 57%
ARSENIC 0.25 0.0025 2.5% 95% 2.3% 0%
POLYCHLORINATED BIPHENYLS 0.22 0.00032 0% 0% 0% 100%
TRICHLOROETHYLENE 0.18 0.00015 0.000056% 8.3% 0% 92%
NICKEL 0.13 0.010 0.52% 86% 14% 0%
ETHYLENE OXIDE 0.093 0.000035 0% 100% 0% 0%
ACRYLONITRILE 0.069 0.00012 0% 100% 0% 0%
HEXACHLOROBENZENE 0.049 0.000032 0% 0.19% 0% 100%
LEAD 0.016 0.0092 0.15% 96% 4.1% 0%
BERYLLIUM 0.016 0.0068 52% 48% 0.14% 0%
1,1,2,2-TETRACHLOROETHANE 0.014 0.000000085 0% 100% 0% 0%
VINYL CHLORIDE 0.010 0.000025 0% 100% 0% 0%
1,2-DICHLOROPROPANE 0 0.0000014 0% 100% 0% 0%
QUINOLINE 0 -- 0% 100% 0% 0%
HYDRAZINE 0 0.000000013 0% 100% 0% 0%
ETHYLBENZENE -- 0.000055 2.0% 17% 81% 0%
STYRENE -- 0.000014 11% 21% 68% 0%
ACROLEIN -- 0.40 0.0054% 26% 74% 0%
MERCURY -- 0.00018 2.9% 63% 34% 0%
MANGANESE -- 0.0058 1.3% 96% 2.9% 0%
TOLUENE -- 0.0024 0.93% 28% 71% 0%
N-HEXANE -- 0.000084 72% 17% 12% 0%
XYLENE (MIXED ISOMERS) -- 0.00093 2.1% 19% 52% 27%
METHYL TERT-BUTYL ETHER -- 0.0000064 0.026% 61% 39% 0%

See the 1996 emissions data EPA used to estimate exposures from these source categories