|
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
|
