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

County:      LIMESTONE


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 180 0.12 0% 0% 25% 75%
CARBON TETRACHLORIDE 34 0.020 0% 0.0011% 0% 100%
BENZENE 16 0.0091 0.60% 11% 8.5% 80%
FORMALDEHYDE 1.8 0.099 0.0013% 12% 12% 76%
POLYCYCLIC ORGANIC MATTER (POM) 1.4 -- 0.0018% 99% 0.91% 0%
1,2-DICHLOROETHANE 1.2 0.00014 0.0011% 0.035% 0% 100%
1,3-BUTADIENE 1.1 0.00034 0% 36% 64% 0%
TETRACHLOROETHYLENE 0.80 0.0034 0.00044% 5.2% 0% 95%
1,2-DIBROMOETHANE 0.51 0.0089 0% 0.00090% 0% 100%
CHLOROFORM 0.39 0.00025 0% 0.12% 0% 100%
CHROMIUM 0.26 0.00022 15% 43% 42% 0%
POLYCHLORINATED BIPHENYLS 0.20 0.00029 0% 0% 0% 100%
DICHLOROMETHANE 0.16 0.00039 0.072% 14% 0% 86%
TRICHLOROETHYLENE 0.15 0.00013 0% 3.5% 0% 96%
1,3-DICHLOROPROPENE (MIXED ISOMERS) 0.11 0.00034 0% 100% 0% 0%
ACETALDEHYDE 0.082 0.0034 0.018% 21% 79% 0%
HEXACHLOROBENZENE 0.044 0.000029 0% 0.32% 0% 100%
ETHYLENE OXIDE 0.033 0.000012 0% 100% 0% 0%
ARSENIC 0.027 0.00028 63% 36% 1.1% 0%
NICKEL 0.024 0.0019 17% 77% 5.9% 0%
ACRYLONITRILE 0.023 0.000040 0% 100% 0% 0%
CADMIUM 0.017 0.00046 7.3% 93% 0% 0%
VINYL CHLORIDE 0.0080 0.000021 0% 100% 0% 0%
BERYLLIUM 0.0020 0.0010 24% 76% 0% 0%
1,1,2,2-TETRACHLOROETHANE 0.0020 0.000000015 0% 100% 0% 0%
LEAD 0 0.00021 16% 59% 24% 0%
1,2-DICHLOROPROPANE 0 0.0000012 0% 100% 0% 0%
QUINOLINE 0 -- 0% 100% 0% 0%
HYDRAZINE 0 0.000000030 0% 100% 0% 0%
ETHYLBENZENE -- 0.000012 2.2% 40% 58% 0%
MERCURY -- 0.0010 5.5% 93% 1.5% 0%
MANGANESE -- 0.0020 1.5% 97% 1.5% 0%
STYRENE -- 0.0000020 0.0060% 1.0% 99% 0%
ACROLEIN -- 0.19 0.024% 70% 30% 0%
TOLUENE -- 0.00063 5.6% 49% 46% 0%
METHYL TERT-BUTYL ETHER -- 0.0000038 0.12% 93% 6.4% 0%
N-HEXANE -- 0.0000099 0.13% 84% 16% 0%
XYLENE (MIXED ISOMERS) -- 0.00039 4.8% 20% 21% 54%

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