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2015 ATSDR CEP Site Count Report

Rank Substance Name All Sites/
Events		 NPL Sites CAS RN
1 LEAD 536 287 007439-92-1
2 ARSENIC 486 257 007440-38-2
3 TRICHLOROETHYLENE 430 306 000079-01-6
4 TETRACHLOROETHYLENE 339 222 000127-18-4
5 BENZENE 274 143 000071-43-2
6 CADMIUM 263 161 007440-43-9
7 CHROMIUM 225 140 007440-47-3
8 MERCURY 222 102 007439-97-6
9 POLYCHLORINATED BIPHENYLS 208 128 001336-36-3
10 MANGANESE 198 110 007439-96-5
11 COPPER 188 107 007440-50-8
12 ZINC 166 97 007440-66-6
13 VOLATILE ORGANIC COMPOUNDS N.O.S. 154 93 HZ1900-01-T
14 BENZO(A)PYRENE 142 68 000050-32-8
15 CHLOROFORM 139 93 000067-66-3
16 ANTIMONY 136 79 007440-36-0
17 VINYL CHLORIDE 134 98 000075-01-4
18 NICKEL 129 76 007440-02-0
19 1,1,1-TRICHLOROETHANE 123 98 000071-55-6
20 1,1-DICHLOROETHENE 121 96 000075-35-4
21 METHYLENE CHLORIDE 119 67 000075-09-2
22 POLYCYCLIC AROMATIC HYDROCARBONS 115 74 130498-29-2
23 TOLUENE 112 65 000108-88-3
24 BARIUM 111 60 007440-39-3
25 1,2-DICHLOROETHANE 110 80 000107-06-2
26 IRON 107 62 007439-89-6
27 VANADIUM 107 59 007440-62-2
28 CARBON TETRACHLORIDE 102 64 000056-23-5
29 BENZO(A)ANTHRACENE 101 48 000056-55-3
30 DI(2-ETHYLHEXYL)PHTHALATE 93 61 000117-81-7
31 BENZO(B)FLUORANTHENE 93 37 000205-99-2
32 CHRYSENE 92 44 000218-01-9
33 1,1-DICHLOROETHANE 89 73 000075-34-3
34 BERYLLIUM 88 42 007440-41-7
35 PHENANTHRENE 87 36 000085-01-8
36 NAPHTHALENE 86 41 000091-20-3
37 METALS N.O.S. 83 52 HZ0900-01-T
38 DIELDRIN 83 44 000060-57-1
39 ALUMINUM 82 50 007429-90-5
40 INDENO(1,2,3-CD)PYRENE 82 35 000193-39-5
41 BENZO(K)FLUORANTHENE 81 35 000207-08-9
42 THALLIUM 77 40 007440-28-0
43 XYLENES, TOTAL 76 38 001330-20-7
44 ETHYLBENZENE 73 39 000100-41-4
45 DIBENZO(A,H)ANTHRACENE 71 28 000053-70-3
46 DDT, P,P’- 68 42 000050-29-3
47 COBALT 68 32 007440-48-4
48 PENTACHLOROPHENOL 67 44 000087-86-5
49 BENZO(GHI)PERYLENE 65 24 000191-24-2
50 SODIUM 60 31 007440-23-5
51 1,2-DICHLOROETHENE, CIS- 59 42 000156-59-2
52 SELENIUM 59 25 007782-49-2
53 DDE, P,P’- 57 35 000072-55-9
54 DDD, P,P’- 51 30 000072-54-8
55 HEPTACHLOR EPOXIDE 51 24 001024-57-3
56 1,2-DICHLOROETHENE, TRANS- 50 46 000156-60-5
57 FLUORANTHENE 49 18 000206-44-0
58 AROCLOR 1260 48 31 011096-82-5
59 CYANIDE 48 24 000057-12-5
60 2-METHYLNAPHTHALENE 48 22 000091-57-6
61 PYRENE 48 19 000129-00-0
62 1,2-DICHLOROETHYLENE 45 38 000540-59-0
63 CHLOROBENZENE 45 33 000108-90-7
64 CHLORDANE 45 30 000057-74-9
65 ASBESTOS 45 13 001332-21-4
66 DIBENZOFURAN 43 20 000132-64-9
67 BROMODICHLOROMETHANE 42 27 000075-27-4
68 SILVER 41 18 007440-22-4
69 ALDRIN 40 17 000309-00-2
70 MAGNESIUM 39 21 007439-95-4
71 1,2,4-TRIMETHYLBENZENE 37 6 000095-63-6
72 AROCLOR 1254 36 26 011097-69-1
73 FLUORENE 36 13 000086-73-7
74 BENZO(A)PYRENE EQUIVALENTS 35 19 HZ1500-50-T
74 PESTICIDES N.O.S. 35 19 HZ1200-01-T
76 ACETONE 35 18 000067-64-1
77 HEPTACHLOR 35 15 000076-44-8
78 CARBAZOLE 35 12 000086-74-8
79 TCDD EQUIVALENTS 34 18 HZ0400-03-T
80 2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN 33 24 001746-01-6
81 ACENAPHTHYLENE 33 12 000208-96-8
82 2-BUTANONE 32 21 000078-93-3
82 DIOXINS N.O.S. 32 21 HZ0400-05-T
82 NITRATE 32 21 014797-55-8
85 CHROMIUM, HEXAVALENT 32 16 018540-29-9
86 1,4-DICHLOROBENZENE 32 10 000106-46-7
87 ANTHRACENE 32 9 000120-12-7
88 HEXACHLOROCYCLOHEXANE, GAMMA- 31 17 000058-89-9
89 CALCIUM 30 21 007440-70-2
90 DIBROMOCHLOROMETHANE 30 18 000124-48-1
91 ACENAPHTHENE 29 9 000083-32-9
92 1,1,2-TRICHLOROETHANE 27 21 000079-00-5
93 1,1,2,2-TETRACHLOROETHANE 27 19 000079-34-5
94 HEXACHLOROCYCLOHEXANE, ALPHA- 27 15 000319-84-6
95 DI-N-BUTYL PHTHALATE 27 10 000084-74-2
96 BUTYL BENZYL PHTHALATE 27 7 000085-68-7
97 HYDROGEN SULFIDE 27 4 007783-06-4
98 1,2-DICHLOROPROPANE 26 18 000078-87-5
99 PHENOL 26 14 000108-95-2
100 BORON 26 13 007440-42-8

 

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