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

County:      KENT


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 580 0.39 0% 0% 32% 68%
CARBON TETRACHLORIDE 37 0.022 0.0022% 0.035% 0% 100%
BENZENE 24 0.014 0.35% 5.2% 37% 58%
CHROMIUM 6.0 0.0050 16% 58% 26% 0%
FORMALDEHYDE 4.6 0.25 0.10% 12% 55% 33%
POLYCYCLIC ORGANIC MATTER (POM) 4.1 -- 0.0048% 98% 1.7% 0%
1,3-BUTADIENE 3.1 0.00092 1.8% 23% 76% 0%
1,2-DICHLOROETHANE 1.3 0.00015 0.0066% 0.058% 0% 100%
TETRACHLOROETHYLENE 1.1 0.0046 0.10% 23% 0% 77%
ACETALDEHYDE 1.1 0.045 0.012% 18% 82% 0%
1,2-DIBROMOETHANE 0.54 0.0096 0% 0.0060% 0% 100%
CHLOROFORM 0.43 0.00027 0% 2.4% 0% 98%
1,3-DICHLOROPROPENE (MIXED ISOMERS) 0.40 0.0012 0% 100% 0% 0%
NICKEL 0.30 0.023 21% 37% 43% 0%
ARSENIC 0.27 0.0027 52% 29% 20% 0%
VINYL CHLORIDE 0.24 0.00063 91% 8.8% 0% 0%
DICHLOROMETHANE 0.23 0.00057 2.5% 31% 0% 66%
CADMIUM 0.22 0.0061 13% 86% 1.2% 0%
POLYCHLORINATED BIPHENYLS 0.22 0.00031 0% 0.00000013% 0% 100%
TRICHLOROETHYLENE 0.18 0.00015 0% 12% 0% 88%
ETHYLENE OXIDE 0.16 0.000061 0.000099% 100% 0% 0%
ACRYLONITRILE 0.16 0.00027 53% 47% 0% 0%
HEXACHLOROBENZENE 0.047 0.000031 0% 0.11% 0% 100%
LEAD 0.022 0.012 3.1% 19% 78% 0%
BERYLLIUM 0.013 0.0053 42% 56% 1.9% 0%
1,1,2,2-TETRACHLOROETHANE 0.0040 0.000000028 0% 100% 0% 0%
QUINOLINE 0.0020 -- 0% 100% 0% 0%
HYDRAZINE 0.0010 0.00000053 23% 77% 0% 0%
1,2-DICHLOROPROPANE 0 0.0000040 0% 100% 0% 0%
ETHYLBENZENE -- 0.000077 8.9% 13% 78% 0%
STYRENE -- 0.0000090 5.7% 3.9% 90% 0%
ACROLEIN -- 0.90 2.8% 23% 74% 0%
MERCURY -- 0.0011 20% 71% 9.6% 0%
MANGANESE -- 0.021 2.8% 95% 2.4% 0%
TOLUENE -- 0.0033 7.4% 23% 70% 0%
N-HEXANE -- 0.000031 5.4% 50% 45% 0%
XYLENE (MIXED ISOMERS) -- 0.0011 7.4% 12% 58% 23%
METHYL TERT-BUTYL ETHER -- 0.000058 0.32% 7.5% 92% 0%

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