Completed Exposure Pathway (CEP) Site Count Report | ATSDR

Completed Exposure Pathway (CEP) Site Count Report | ATSDR

ATSDR 2017 Completed Exposure Pathway Site Count Report

2017 Rank	Substance Name	All Sites/Events	NPL Sites	CAS RN
1	LEAD	544	292	7439-92-1
2	ARSENIC	495	262	7440-38-2
3	TRICHLOROETHYLENE	442	312	79-01-6
4	TETRACHLOROETHYLENE	345	226	127-18-4
5	BENZENE	278	143	71-43-2
6	CADMIUM	267	164	7440-43-9
7	CHROMIUM	226	140	7440-47-3
8	MERCURY	223	103	7439-97-6
9	POLYCHLORINATED BIPHENYLS	208	128	1336-36-3
10	MANGANESE	201	110	7439-96-5
11	COPPER	191	107	7440-50-8
12	ZINC	167	97	7440-66-6
13	VOLATILE ORGANIC COMPOUNDS N.O.S.	155	93	HZ1900-01-T
14	BENZO(A)PYRENE	143	69	50-32-8
15	CHLOROFORM	142	94	67-66-3
16	VINYL CHLORIDE	137	99	75-01-4
17	ANTIMONY	136	79	7440-36-0
18	NICKEL	131	77	7440-02-0
19	1,1,1-TRICHLOROETHANE	123	98	71-55-6
20	1,1-DICHLOROETHENE	121	96	75-35-4
21	METHYLENE CHLORIDE	119	67	75-09-2
22	POLYCYCLIC AROMATIC HYDROCARBONS	115	74	130498-29-2
23	1,2-DICHLOROETHANE	112	80	107-06-2
24	TOLUENE	112	65	108-88-3
25	BARIUM	112	60	7440-39-3
26	IRON	108	62	7439-89-6
27	VANADIUM	107	59	7440-62-2
28	CARBON TETRACHLORIDE	105	65	56-23-5
29	BENZO(A)ANTHRACENE	101	48	56-55-3
30	DI(2-ETHYLHEXYL)PHTHALATE	96	63	117-81-7
31	BENZO(B)FLUORANTHENE	93	37	205-99-2
32	CHRYSENE	92	44	218-01-9
33	1,1-DICHLOROETHANE	89	73	75-34-3
34	BERYLLIUM	88	42	7440-41-7
35	PHENANTHRENE	87	36	85-01-8
36	NAPHTHALENE	86	41	91-20-3
37	METALS N.O.S.	83	53	HZ0900-01-T
38	ALUMINUM	83	50	7429-90-5
39	DIELDRIN	83	44	60-57-1
40	INDENO(1,2,3-CD)PYRENE	82	35	193-39-5
41	BENZO(K)FLUORANTHENE	81	35	207-08-9
42	THALLIUM	77	40	7440-28-0
43	XYLENES, TOTAL	77	38	1330-20-7
44	ETHYLBENZENE	74	39	100-41-4
45	DIBENZO(A,H)ANTHRACENE	71	28	53-70-3
46	DDT, P,P’-	68	42	50-29-3
47	COBALT	68	32	7440-48-4
48	PENTACHLOROPHENOL	67	44	87-86-5
49	BENZO(GHI)PERYLENE	65	24	191-24-2
50	SODIUM	64	32	7440-23-5
51	1,2-DICHLOROETHENE, CIS-	60	43	156-59-2
52	SELENIUM	59	25	7782-49-2
53	DDE, P,P’-	57	35	72-55-9
54	1,2-DICHLOROETHENE, TRANS-	51	46	156-60-5
55	DDD, P,P’-	51	30	72-54-8
56	HEPTACHLOR EPOXIDE	51	24	1024-57-3
57	FLUORANTHENE	49	18	206-44-0
58	AROCLOR 1260	48	31	11096-82-5
59	CYANIDE	48	24	57-12-5
60	2-METHYLNAPHTHALENE	48	22	91-57-6
61	PYRENE	48	19	129-00-0
62	1,2-DICHLOROETHYLENE	45	38	540-59-0
63	CHLOROBENZENE	45	33	108-90-7
64	CHLORDANE	45	30	57-74-9
65	ASBESTOS	45	13	1332-21-4
66	DIBENZOFURAN	44	20	132-64-9
67	BROMODICHLOROMETHANE	43	28	75-27-4
68	SILVER	41	18	7440-22-4
69	MAGNESIUM	40	21	7439-95-4
70	ALDRIN	40	17	309-00-2
71	1,2,4-TRIMETHYLBENZENE	38	6	95-63-6
72	AROCLOR 1254	36	26	11097-69-1
73	BENZO(A)PYRENE EQUIVALENTS	36	19	HZ1500-50-T
74	FLUORENE	36	13	86-73-7
75	PESTICIDES N.O.S.	35	19	HZ1200-01-T
75	TCDD EQUIVALENTS	35	19	HZ0400-03-T
77	ACETONE	35	18	67-64-1
78	HEPTACHLOR	35	15	76-44-8
79	CARBAZOLE	35	12	86-74-8
80	2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN	33	24	1746-01-6
81	ACENAPHTHYLENE	33	12	208-96-8
82	2-BUTANONE	32	21	78-93-3
82	DIOXINS N.O.S.	32	21	HZ0400-05-T
82	NITRATE	32	21	14797-55-8
85	CHROMIUM, HEXAVALENT	32	16	18540-29-9
86	1,4-DICHLOROBENZENE	32	10	106-46-7
87	ANTHRACENE	32	9	120-12-7
88	CALCIUM	31	21	7440-70-2
89	DIBROMOCHLOROMETHANE	31	19	124-48-1
90	HEXACHLOROCYCLOHEXANE, GAMMA-	31	17	58-89-9
91	ACENAPHTHENE	29	9	83-32-9
92	HYDROGEN SULFIDE	29	4	7783-06-4
93	1,1,2-TRICHLOROETHANE	27	21	79-00-5
94	1,1,2,2-TETRACHLOROETHANE	27	19	79-34-5
95	HEXACHLOROCYCLOHEXANE, ALPHA-	27	15	319-84-6
96	BORON	27	14	7440-42-8
97	DI-N-BUTYL PHTHALATE	27	10	84-74-2
98	BUTYL BENZYL PHTHALATE	27	7	85-68-7
99	1,2-DICHLOROPROPANE	26	18	78-87-5
100	PHENOL	26	14	108-95-2

All Sites/Events = all sites and events with ATSDR activity; NPL Sites = current and former sites on the National Priorities List (EPA NPL status of Final, Proposed, Removed, and Deleted); CAS RN = Chemical Abstracts Service Registry Number; CEP = Completed Exposure Pathway.

Contact Information

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