SOMERSET COUNTY

CEP Average Air Toxics Estimates for Somerset County, NJ in 1990
				Contribution by Source Category
Pollutant (HAP)	Air Concentration ug/m3	Health Benchmark ug/m3	Risk Ratio	Point%	Area%	Mobile%	Background%
Acetaldehyde	0.69	0.45	2	4	44	53	----
Acrolein *	0.24	0.02	12	----	67	33	----
Acrylamide	0.00000071	0.00077	0.001	100	----	----	----
Acrylonitrile	0.055	0.015	4	1	99	----	----
Arsenic	0.00037	0.00023	2	31	38	32	----
Benzene	2.2	0.12	19	1	36	42	21
Beryllium	0.000015	0.00042	0.03	50	47	3	----
1,3-Butadiene	0.10	0.0036	29	----	26	74	----
Cadmium	0.00056	0.00029	2	29	71	----	----
Carbon tetrachloride	0.90	0.067	13	----	2	----	98
Chloroform	0.091	0.043	2	2	7	----	91
Chromium	0.00099	0.000083	12	46	38	16	----
p-Dichlorobenzene	0.25	0.091	3	----	100	----	----
1,3-Dichloropropene	0.049	0.027	2	----	100	----	----
Dioxin	0.000000023	0.00000003	1	3	30	1	66
Ethyl acrylate	0.031	2	0.02	3	97	----	----
Ethylene dibromide	0.0077	0.0045	2	----	----	----	100
Ethylene dichloride	0.21	0.038	5	----	71	----	30
Ethylene oxide	0.0073	0.01	0.7	30	70	----	----
Formaldehyde	1.1	0.077	15	1	28	49	22
Hydrazine	0.00012	0.0002	0.6	----	----	----	----
Lead *	0.0074	0.1	0.1	8	72	20	----
Manganese *	0.0055	0.05	0.1	8	77	16	----
Mercury compounds *	0.0024	0.3	0.01	2	34	1	63
Methyl chloride	1.3	0.56	2	0.1	1	----	96
Methylene chloride	0.38	2	0.2	19	41	----	40
Methylene diphenyl diisocyanate *	0.00033	0.6	0.001	100	----	----	----
Naphthalene *	0.12	14	0.01	1	26	73	----
Nickel	0.011	0.0042	3	57	37	6	----
Polycyclic organic matter	0.21	0.0059	35	9	38	53	----
Propylene dichloride	0.0047	0.053	0.1	1	99	----	----
Quinoline	0	0.00029	0	----	----	----	----
Styrene	0.19	1.8	0.1	2	84	15	----
1,1,2,2-Tetrachloroethane	0.0000012	0.017	0.0001	100	----	----	----
Tetrachloroethylene	0.48	0.071	7	7	64	----	29
1,1,2-Trichloroethane	0.00031	0.063	0.005	27	73	----	----
Trichloroethylene	0.37	0.1	4	7	71	----	22
Vinyl chloride	0.095	0.012	8	----	100	----	----
Vinylidene chloride	0.0000017	0.02	0.0001	100	----	----	----

back to 1990 county-level estimates