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UNION COUNTY

CEP Average Air Toxics Estimates for Union 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

1.7

0.45

4

13

43

44

----

Acrolein *

0.57

0.02

29

----

68

32

----

Acrylamide

0.0000026

0.00077

0.003

100

----

----

----

Acrylonitrile

0.15

0.015

10

1

99

----

----

Arsenic

0.00100

0.00023

4

42

30

28

----

Benzene

5.0

0.12

42

5

46

39

10

Beryllium

0.000035

0.00042

0.1

32

57

11

----

1,3-Butadiene

0.21

0.0036

59

----

13

87

----

Cadmium

0.00100

0.00029

3

45

54

1

----

Carbon tetrachloride

0.94

0.067

14

----

6

----

94

Chloroform

0.10

0.043

2

2

18

----

80

Chromium

0.0014

0.000083

17

28

44

28

----

p-Dichlorobenzene

0.69

0.091

8

----

100

----

----

1,3-Dichloropropene

0.11

0.027

4

----

100

----

----

Dioxin

0.000000033

0.00000003

1

27

26

2

45

Ethyl acrylate

0.084

2

0.04

1

99

----

----

Ethylene dibromide

0.0077

0.0045

2

----

----

----

100

Ethylene dichloride

0.46

0.038

12

----

87

----

13

Ethylene oxide

0.022

0.01

2.2

39

61

----

----

Formaldehyde

2.6

0.077

34

3

37

50

10

Hydrazine

0.00019

0.0002

1.0

----

----

----

----

Lead *

0.012

0.1

0.1

17

57

26

----

Manganese *

0.0089

0.05

0.2

13

67

20

----

Mercury compounds *

0.0029

0.3

0.01

10

36

2

52

Methyl chloride

1.3

0.56

2

0.1

1

----

96

Methylene chloride

0.67

2

0.3

21

56

----

22

Methylene diphenyl diisocyanate *

0.0011

0.6

0.002

100

----

----

----

Naphthalene *

0.26

14

0.02

1

23

76

----

Nickel

0.027

0.0042

6

36

50

14

----

Polycyclic organic matter

0.52

0.0059

87

19

33

49

----

Propylene dichloride

0.013

0.053

0.2

----

100

----

----

Quinoline

0

0.00029

0

----

----

----

----

Styrene

0.51

1.8

0.3

----

87

13

----

1,1,2,2-Tetrachloroethane

0.000021

0.017

0.0013

100

----

----

----

Tetrachloroethylene

1.1

0.071

15

4

82

----

13

1,1,2-Trichloroethane

0.00049

0.063

0.01

4

96

----

----

Trichloroethylene

0.80

0.1

8

14

76

----

10

Vinyl chloride

0.26

0.012

21

----

100

----

----

Vinylidene chloride

0.0000066

0.02

0.0003

100

----

----

----

back to 1990 county-level estimates

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