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

County:      WORCESTER


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 280 0.19 0% 0% 33% 67%
CARBON TETRACHLORIDE 35 0.021 0% 0.0057% 0% 100%
BENZENE 21 0.012 0.0038% 8.0% 29% 63%
1,3-BUTADIENE 5.0 0.0015 0% 43% 57% 0%
POLYCYCLIC ORGANIC MATTER (POM) 3.1 -- 0.0012% 97% 2.6% 0%
FORMALDEHYDE 3.0 0.17 0.034% 26% 29% 45%
1,2-DICHLOROETHANE 1.3 0.00014 0.0015% 0.024% 0% 100%
TETRACHLOROETHYLENE 0.94 0.0040 0.00053% 16% 0% 84%
CHROMIUM 0.82 0.00068 7.1% 30% 63% 0%
1,2-DIBROMOETHANE 0.52 0.0092 0% 0.0012% 0% 100%
CHLOROFORM 0.41 0.00026 0% 0.47% 0% 100%
ACETALDEHYDE 0.37 0.015 0.0065% 24% 76% 0%
1,3-DICHLOROPROPENE (MIXED ISOMERS) 0.26 0.00082 0% 100% 0% 0%
POLYCHLORINATED BIPHENYLS 0.21 0.00030 0% 0% 0% 100%
DICHLOROMETHANE 0.18 0.00044 0.67% 16% 0% 83%
TRICHLOROETHYLENE 0.16 0.00014 0% 5.8% 0% 94%
ARSENIC 0.049 0.00050 53% 44% 3.4% 0%
HEXACHLOROBENZENE 0.045 0.000030 0% 0.096% 0% 100%
ETHYLENE OXIDE 0.036 0.000014 0% 100% 0% 0%
ACRYLONITRILE 0.030 0.000052 0% 100% 0% 0%
NICKEL 0.028 0.0022 5.0% 67% 28% 0%
VINYL CHLORIDE 0.0090 0.000024 0% 100% 0% 0%
CADMIUM 0.0070 0.00019 27% 73% 0% 0%
BERYLLIUM 0.0050 0.0023 19% 81% 0% 0%
LEAD 0.0030 0.0019 2.6% 9.5% 88% 0%
1,1,2,2-TETRACHLOROETHANE 0.0030 0.000000017 0% 100% 0% 0%
QUINOLINE 0 -- 0% 100% 0% 0%
1,2-DICHLOROPROPANE 0 0.0000015 0% 100% 0% 0%
HYDRAZINE 0 0.000000024 0% 100% 0% 0%
ETHYLBENZENE -- 0.000058 2.5% 8.3% 89% 0%
XYLENE (MIXED ISOMERS) -- 0.00089 2.5% 7.7% 64% 25%
METHYL TERT-BUTYL ETHER -- 0.000015 0% 6.7% 93% 0%
N-HEXANE -- 0.000044 54% 17% 29% 0%
MERCURY -- 0.00015 22% 45% 32% 0%
MANGANESE -- 0.0015 3.0% 88% 9.1% 0%
ACROLEIN -- 0.63 0.011% 61% 39% 0%
TOLUENE -- 0.0020 0.029% 17% 83% 0%
STYRENE -- 0.0000094 8.8% 3.1% 88% 0%

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