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

County:      RICHMOND


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 360 0.25 0% 0% 69% 31%
BENZENE 37 0.021 6.5% 5.1% 56% 33%
CARBON TETRACHLORIDE 35 0.021 0% 0.029% 0% 100%
1,3-BUTADIENE 12 0.0036 0% 6.7% 93% 0%
POLYCYCLIC ORGANIC MATTER (POM) 7.7 -- 0.0014% 99% 0.79% 0%
FORMALDEHYDE 5.1 0.28 0.40% 16% 57% 26%
ETHYLENE OXIDE 3.3 0.0012 68% 32% 0% 0%
CHROMIUM 2.3 0.0019 27% 42% 32% 0%
ACETALDEHYDE 1.6 0.067 0.39% 8.7% 91% 0%
TETRACHLOROETHYLENE 1.3 0.0056 0.12% 44% 0% 56%
1,2-DICHLOROETHANE 1.2 0.00014 0.0043% 0.072% 0% 100%
1,3-DICHLOROPROPENE (MIXED ISOMERS) 0.93 0.0029 0% 100% 0% 0%
1,2-DIBROMOETHANE 0.52 0.0091 0% 0.011% 0% 100%
CHLOROFORM 0.41 0.00026 0% 2.2% 0% 98%
DICHLOROMETHANE 0.33 0.00082 0.0049% 60% 0% 40%
ARSENIC 0.29 0.0029 50% 50% 0.37% 0%
POLYCHLORINATED BIPHENYLS 0.21 0.00030 0% 0% 0% 100%
TRICHLOROETHYLENE 0.19 0.00016 0.45% 21% 0% 78%
CADMIUM 0.10 0.0029 24% 76% 0% 0%
NICKEL 0.096 0.0074 13% 77% 9.4% 0%
ACRYLONITRILE 0.053 0.000091 0% 100% 0% 0%
VINYL CHLORIDE 0.051 0.00013 0% 100% 0% 0%
HEXACHLOROBENZENE 0.045 0.000029 0% 0.027% 0% 100%
BERYLLIUM 0.032 0.013 25% 75% 0% 0%
LEAD 0.017 0.0096 61% 32% 7.0% 0%
1,1,2,2-TETRACHLOROETHANE 0.0030 0.000000022 0% 100% 0% 0%
QUINOLINE 0.0030 -- 0% 100% 0% 0%
HYDRAZINE 0.0010 0.0000011 0% 100% 0% 0%
1,2-DICHLOROPROPANE 0 0.0000039 0% 100% 0% 0%
MERCURY -- 0.022 0.49% 99% 0.52% 0%
STYRENE -- 0.000063 0.0016% 35% 65% 0%
ETHYLBENZENE -- 0.00018 0.0014% 10% 90% 0%
ACROLEIN -- 1.6 0.016% 35% 65% 0%
N-HEXANE -- 0.000075 15% 35% 50% 0%
TOLUENE -- 0.0099 16% 12% 72% 0%
METHYL TERT-BUTYL ETHER -- 0.0000083 0% 45% 55% 0%
MANGANESE -- 0.019 62% 36% 1.3% 0%
XYLENE (MIXED ISOMERS) -- 0.0023 5.2% 11% 75% 8.9%

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