Chemicals Contributing to Noncancer Hazard Index

POLLUTION LOCATOR | Hazardous Air Pollutants|Chemicals Contributing to Noncancer Hazard Index

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HAP	Single Chemical Hazard Index	Percent Contribution to Cumulative Hazard Index	Population in Areas with Hazard Index > 1	Percent of Total Population with Hazard Index > 1

ACROLEIN	1.8	61%	168,728,698	60%
FORMALDEHYDE	0.40	14%	13,043,792	5%
DIESEL EMISSIONS	0.39	13%	12,038,042	4%
ACETALDEHYDE	0.080	3%	322,905	0%
NICKEL	0.039	1%	242,642	0%
BERYLLIUM	0.035	1%	991,628	0%
LEAD	0.030	1%	214,169	0%
CHROMIUM	0.028	1%	205,383	0%
BENZENE	0.022	1%	1,970	0%
CARBON TETRACHLORIDE	0.021	1%	1,262	0%
MANGANESE	0.020	1%	156,362	0%
TOLUENE	0.011	0%	11,793	0%
1,2-DIBROMOETHANE	0.0094	0%	466	0%
CADMIUM	0.0080	0%	58,219	0%
TETRACHLOROETHYLENE	0.0077	0%	436	0%
ARSENIC	0.0050	0%	51,081	0%
1,3-DICHLOROPROPENE (MIXED ISOMERS)	0.0047	0%	281	0%
1,3-BUTADIENE	0.0037	0%	369	0%
XYLENE (MIXED ISOMERS)	0.0031	0%	115	0%
MERCURY	0.0019	0%	3,576	0%
ACRYLONITRILE	0.0017	0%	21,070	0%
DICHLOROMETHANE	0.0011	0%	24	0%
VINYL CHLORIDE	0.00042	0%	7	0%
POLYCHLORINATED BIPHENYLS	0.00031	0%	2	0%
TRICHLOROETHYLENE	0.00028	0%	5	0%
CHLOROFORM	0.00028	0%	2	0%
ETHYLBENZENE	0.00025	0%	1	0%
HYDRAZINE	0.00024	0%	1,592	0%
ETHYLENE OXIDE	0.00020	0%	4	0%
1,2-DICHLOROETHANE	0.00015	0%	1	0%
N-HEXANE	0.00010	0%	0	0%
METHYL TERT-BUTYL ETHER	0.00010	0%	1	0%
STYRENE	0.000085	0%	0	0%
1,2-DICHLOROPROPANE	0.000060	0%	0	0%
HEXACHLOROBENZENE	0.000031	0%	0	0%
1,1,2,2-TETRACHLOROETHANE	0.00000011	0%	0	0%

See noncancer hazards broken down by health effects.