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ESSEX COUNTY

CEP Average Air Toxics Estimates for Essex 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

2.0

0.45

4

10

34

56

----

Acrolein *

0.64

0.02

32

----

53

47

----

Acrylamide

0.00000070

0.00077

0.001

100

----

----

----

Acrylonitrile

0.11

0.015

7

1

99

----

----

Arsenic

0.0013

0.00023

6

25

23

52

----

Benzene

5.0

0.12

42

3

33

54

10

Beryllium

0.000065

0.00042

0.2

18

32

50

----

1,3-Butadiene

0.33

0.0036

91

0.2

10

89

----

Cadmium

0.00081

0.00029

3

30

55

15

----

Carbon tetrachloride

0.93

0.067

14

0.002

5

----

94

Chloroform

0.11

0.043

2

2

20

----

78

Chromium

0.0020

0.000083

24

18

31

50

----

p-Dichlorobenzene

0.62

0.091

7

----

100

----

----

1,3-Dichloropropene

0.15

0.027

6

----

100

----

----

Dioxin

0.000000029

0.00000003

1

22

24

3

52

Ethyl acrylate

0.061

2

0.03

3

97

----

----

Ethylene dibromide

0.0077

0.0045

2

----

----

----

100

Ethylene dichloride

0.34

0.038

9

----

82

----

18

Ethylene oxide

0.015

0.01

1.5

27

73

----

----

Formaldehyde

3.2

0.077

42

3

22

67

8

Hydrazine

0.00013

0.0002

0.7

----

----

----

----

Lead *

0.012

0.1

0.1

13

46

41

----

Manganese *

0.010

0.05

0.2

15

55

29

----

Mercury compounds *

0.0028

0.3

0.01

13

30

4

53

Methyl chloride

1.3

0.56

2

0.1

1

----

96

Methylene chloride

0.78

2

0.4

25

55

----

19

Methylene diphenyl diisocyanate *

0.0011

0.6

0.002

100

----

----

----

Naphthalene *

0.37

14

0.03

1

20

79

----

Nickel

0.054

0.0042

13

19

27

53

----

Polycyclic organic matter

0.71

0.0059

120

21

28

51

----

Propylene dichloride

0.0090

0.053

0.2

----

100

----

----

Quinoline

0

0.00029

0

----

----

----

----

Styrene

0.38

1.8

0.2

----

73

27

----

1,1,2,2-Tetrachloroethane

0.0000057

0.017

0.0003

100

----

----

----

Tetrachloroethylene

1.2

0.071

17

6

82

----

12

1,1,2-Trichloroethane

0.00043

0.063

0.01

2

98

----

----

Trichloroethylene

1.3

0.1

13

43

51

----

6

Vinyl chloride

0.18

0.012

15

----

100

----

----

Vinylidene chloride

0.000012

0.02

0.0006

100

----

----

----

back to 1990 county-level estimates

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