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

County:      QUEEN ANNE'S


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 570 0.38 0% 0% 30% 70%
CARBON TETRACHLORIDE 38 0.023 0.00073% 0.018% 0% 100%
BENZENE 22 0.013 0.082% 3.4% 32% 65%
FORMALDEHYDE 3.7 0.20 0.051% 11% 46% 43%
POLYCYCLIC ORGANIC MATTER (POM) 2.9 -- 0.0036% 99% 1.3% 0%
1,3-BUTADIENE 2.7 0.00081 1.4% 19% 79% 0%
CHROMIUM 2.0 0.0017 13% 58% 29% 0%
1,2-DICHLOROETHANE 1.4 0.00015 0.0034% 0.029% 0% 100%
TETRACHLOROETHYLENE 0.95 0.0040 0.035% 11% 0% 89%
ACETALDEHYDE 0.73 0.030 0.0096% 14% 86% 0%
1,2-DIBROMOETHANE 0.56 0.0098 0% 0.0020% 0% 100%
CHLOROFORM 0.44 0.00028 0% 1.2% 0% 99%
1,3-DICHLOROPROPENE (MIXED ISOMERS) 0.33 0.0010 0% 100% 0% 0%
POLYCHLORINATED BIPHENYLS 0.22 0.00032 0% 0.00000019% 0% 100%
DICHLOROMETHANE 0.20 0.00050 0.53% 22% 0% 77%
TRICHLOROETHYLENE 0.18 0.00015 0% 6.5% 0% 93%
ARSENIC 0.12 0.0012 55% 33% 12% 0%
NICKEL 0.092 0.0070 18% 44% 38% 0%
ACRYLONITRILE 0.075 0.00013 45% 55% 0% 0%
CADMIUM 0.072 0.0020 11% 88% 0.88% 0%
VINYL CHLORIDE 0.061 0.00016 84% 16% 0% 0%
ETHYLENE OXIDE 0.055 0.000021 0% 100% 0% 0%
HEXACHLOROBENZENE 0.049 0.000032 0% 0.075% 0% 100%
LEAD 0.010 0.0057 3.4% 21% 76% 0%
BERYLLIUM 0.0080 0.0033 32% 67% 0.84% 0%
1,1,2,2-TETRACHLOROETHANE 0.0040 0.000000022 0% 100% 0% 0%
QUINOLINE 0 -- 0% 100% 0% 0%
1,2-DICHLOROPROPANE 0 0.0000024 0% 100% 0% 0%
HYDRAZINE 0 0.000000056 28% 72% 0% 0%
ETHYLBENZENE -- 0.000060 3.5% 11% 85% 0%
STYRENE -- 0.0000077 1.4% 3.8% 95% 0%
ACROLEIN -- 0.66 1.6% 29% 69% 0%
MERCURY -- 0.00036 25% 57% 18% 0%
MANGANESE -- 0.0078 2.2% 95% 2.5% 0%
TOLUENE -- 0.0024 2.9% 17% 80% 0%
N-HEXANE -- 0.000021 1.5% 45% 53% 0%
XYLENE (MIXED ISOMERS) -- 0.00089 2.7% 9.6% 59% 29%
METHYL TERT-BUTYL ETHER -- 0.000044 0.085% 3.6% 96% 0%

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