STATEWIDE
Acetaldehyde
1.2
0.45
3
10
36
54
----
Acrolein *
0.37
0.02
19
1
55
45
Acrylamide
0.0000034
0.00077
0.004
100
Acrylonitrile
0.06
0.015
4
99
Arsenic
0.00066
0.00023
29
31
40
Benzene
3.3
0.12
28
32
49
15
Beryllium
0.000028
0.00042
0.1
46
22
1,3-Butadiene
0.19
0.0036
53
0.3
18
82
Cadmium
0.00065
0.00029
2
66
Carbon tetrachloride
0.91
0.067
14
0.2
97
Chloroform
0.099
0.043
12
84
Chromium
0.0014
0.000083
17
34
26
p-Dichlorobenzene
0.33
0.091
1,3-Dichloropropene
0.086
0.027
0.03
Dioxin
0.000000039
0.00000003
43
38
Ethyl acrylate
0.033
96
Ethylene dibromide
0.0081
0.0045
5
95
Ethylene dichloride
0.22
0.038
6
71
Ethylene oxide
0.0093
0.01
0.9
Formaldehyde
1.9
0.077
25
27
58
13
Hydrazine
0.00008
0.0002
0.4
Lead *
0.0098
56
Manganese *
0.0078
0.05
62
Mercury compounds *
0.0027
30
Methyl chloride
1.3
0.56
Methylene chloride
0.59
42
Methylene diphenyl diisocyanate *
0.00089
0.6
0.001
Naphthalene *
76
Nickel
0.021
0.0042
39
Polycyclic organic matter
0.49
0.0059
83
Propylene dichloride
0.0053
0.053
7
93
Quinoline
0.00000011
0.0004
Styrene
1.8
1,1,2,2-Tetrachloroethane
0.017
Tetrachloroethylene
0.77
0.071
11
1,1,2-Trichloroethane
0.00068
0.063
51
Trichloroethylene
0.58
20
Vinyl chloride
0.012
8
Vinylidene chloride
0.0000084
back to 1990 county-level estimates
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