2013 ATSDR CEP Site Count Report
Rank | Substance Name | All Sites/ Events |
NPL Sites | CAS RN |
---|---|---|---|---|
1 | LEAD | 526 | 282 | 007439-92-1 |
2 | ARSENIC | 475 | 249 | 007440-38-2 |
3 | TRICHLOROETHYLENE | 422 | 304 | 000079-01-6 |
4 | TETRACHLOROETHYLENE | 334 | 220 | 000127-18-4 |
5 | BENZENE | 271 | 142 | 000071-43-2 |
6 | CADMIUM | 259 | 158 | 007440-43-9 |
7 | CHROMIUM | 224 | 140 | 007440-47-3 |
8 | MERCURY | 220 | 101 | 007439-97-6 |
9 | POLYCHLORINATED BIPHENYLS | 203 | 124 | 001336-36-3 |
10 | MANGANESE | 195 | 107 | 007439-96-5 |
11 | COPPER | 185 | 105 | 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 | 140 | 67 | 000050-32-8 |
15 | CHLOROFORM | 137 | 92 | 000067-66-3 |
16 | ANTIMONY | 135 | 78 | 007440-36-0 |
17 | VINYL CHLORIDE | 133 | 97 | 000075-01-4 |
18 | NICKEL | 128 | 75 | 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 | 85 | 41 | 000091-20-3 |
37 | METALS N.O.S. | 83 | 52 | HZ0900-01-T |
38 | ALUMINUM | 82 | 50 | 007429-90-5 |
39 | INDENO(1,2,3-CD)PYRENE | 82 | 35 | 000193-39-5 |
40 | BENZO(K)FLUORANTHENE | 81 | 35 | 000207-08-9 |
41 | DIELDRIN | 80 | 42 | 000060-57-1 |
42 | THALLIUM | 76 | 40 | 007440-28-0 |
43 | XYLENES, TOTAL | 76 | 38 | 001330-20-7 |
44 | ETHYLBENZENE | 73 | 39 | 000100-41-4 |
45 | DIBENZO(A,H)ANTHRACENE | 70 | 28 | 000053-70-3 |
46 | PENTACHLOROPHENOL | 67 | 44 | 000087-86-5 |
47 | COBALT | 67 | 31 | 007440-48-4 |
48 | DDT, P,P’- | 65 | 40 | 000050-29-3 |
49 | BENZO(GHI)PERYLENE | 65 | 24 | 000191-24-2 |
50 | 1,2-DICHLOROETHENE, CIS- | 59 | 42 | 000156-59-2 |
51 | SODIUM | 59 | 30 | 007440-23-5 |
52 | SELENIUM | 58 | 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 | CYANIDE | 48 | 24 | 000057-12-5 |
59 | 2-METHYLNAPHTHALENE | 48 | 22 | 000091-57-6 |
60 | PYRENE | 48 | 19 | 000129-00-0 |
61 | AROCLOR 1260 | 47 | 31 | 011096-82-5 |
62 | 1,2-DICHLOROETHYLENE | 45 | 38 | 000540-59-0 |
63 | CHLOROBENZENE | 45 | 33 | 000108-90-7 |
64 | ASBESTOS | 45 | 13 | 001332-21-4 |
65 | CHLORDANE | 44 | 30 | 000057-74-9 |
66 | DIBENZOFURAN | 43 | 20 | 000132-64-9 |
67 | BROMODICHLOROMETHANE | 42 | 27 | 000075-27-4 |
68 | SILVER | 41 | 18 | 007440-22-4 |
69 | MAGNESIUM | 39 | 21 | 007439-95-4 |
70 | ALDRIN | 38 | 16 | 000309-00-2 |
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 | PESTICIDES N.O.S. | 35 | 19 | HZ1200-01-T |
75 | ACETONE | 35 | 18 | 000067-64-1 |
76 | HEPTACHLOR | 35 | 15 | 000076-44-8 |
77 | CARBAZOLE | 34 | 11 | 000086-74-8 |
78 | ACENAPHTHYLENE | 33 | 12 | 000208-96-8 |
79 | 2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN | 32 | 23 | 001746-01-6 |
80 | 2-BUTANONE | 32 | 21 | 000078-93-3 |
80 | DIOXINS N.O.S. | 32 | 21 | HZ0400-05-T |
80 | NITRATE | 32 | 21 | 014797-55-8 |
83 | TCDD EQUIVALENTS | 32 | 16 | HZ0400-03-T |
84 | 1,4-DICHLOROBENZENE | 32 | 10 | 000106-46-7 |
85 | ANTHRACENE | 32 | 9 | 000120-12-7 |
86 | CHROMIUM, HEXAVALENT | 31 | 16 | 018540-29-9 |
87 | BENZO(A)PYRENE EQUIVALENTS | 31 | 14 | HZ1500-50-T |
88 | CALCIUM | 30 | 21 | 007440-70-2 |
89 | DIBROMOCHLOROMETHANE | 30 | 18 | 000124-48-1 |
90 | HEXACHLOROCYCLOHEXANE, GAMMA- | 29 | 16 | 000058-89-9 |
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 |
- Page last reviewed: May 7, 2014
- Page last updated: February 12, 2016
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