2011 ATSDR Substance Priority List
2011 RANK | SUBSTANCE NAME | TOTAL POINTS | 2007 RANK | CAS RN |
---|---|---|---|---|
1 | ARSENIC | 1665.5 | 1 | 007440-38-2 |
2 | LEAD | 1529.1 | 2 | 007439-92-1 |
3 | MERCURY | 1460.9 | 3 | 007439-97-6 |
4 | VINYL CHLORIDE | 1361.1 | 4 | 000075-01-4 |
5 | POLYCHLORINATED BIPHENYLS | 1344.1 | 5 | 001336-36-3 |
6 | BENZENE | 1332.0 | 6 | 000071-43-2 |
7 | CADMIUM | 1318.7 | 7 | 007440-43-9 |
8 | BENZO(A)PYRENE | 1305.7 | 9 | 000050-32-8 |
9 | POLYCYCLIC AROMATIC HYDROCARBONS | 1282.3 | 8 | 130498-29-2 |
10 | BENZO(B)FLUORANTHENE | 1252.4 | 10 | 000205-99-2 |
11 | CHLOROFORM | 1207.5 | 11 | 000067-66-3 |
12 | AROCLOR 1260 | 1190.0 | 14 | 011096-82-5 |
13 | DDT, P,P’- | 1183.0 | 12 | 000050-29-3 |
14 | AROCLOR 1254 | 1171.7 | 13 | 011097-69-1 |
15 | DIBENZO(A,H)ANTHRACENE | 1155.2 | 15 | 000053-70-3 |
16 | TRICHLOROETHYLENE | 1151.1 | 16 | 000079-01-6 |
17 | CHROMIUM, HEXAVALENT | 1146.6 | 18 | 018540-29-9 |
18 | DIELDRIN | 1143.1 | 17 | 000060-57-1 |
19 | PHOSPHORUS, WHITE | 1141.9 | 19 | 007723-14-0 |
20 | HEXACHLOROBUTADIENE | 1128.5 | 22 | 000087-68-3 |
21 | DDE, P,P’- | 1127.2 | 21 | 000072-55-9 |
22 | CHLORDANE | 1126.4 | 20 | 000057-74-9 |
23 | COAL TAR CREOSOTE | 1124.8 | 23 | 008001-58-9 |
24 | AROCLOR 1242 | 1123.8 | 29 | 053469-21-9 |
25 | ALDRIN | 1115.8 | 24 | 000309-00-2 |
26 | DDD, P,P’- | 1114.2 | 25 | 000072-54-8 |
27 | AROCLOR 1248 | 1103.9 | 27 | 012672-29-6 |
28 | HEPTACHLOR | 1101.1 | 34 | 000076-44-8 |
29 | AROCLOR | 1099.4 | 30 | 012767-79-2 |
30 | BENZIDINE | 1090.6 | 26 | 000092-87-5 |
31 | ACROLEIN | 1088.5 | 37 | 000107-02-8 |
32 | TOXAPHENE | 1087.7 | 31 | 008001-35-2 |
33 | TETRACHLOROETHYLENE | 1077.4 | 33 | 000127-18-4 |
34 | HEXACHLOROCYCLOHEXANE, GAMMA- | 1074.7 | 32 | 000058-89-9 |
35 | CYANIDE | 1071.9 | 28 | 000057-12-5 |
36 | HEXACHLOROCYCLOHEXANE, BETA- | 1053.5 | 36 | 000319-85-7 |
37 | BENZO(A)ANTHRACENE | 1047.6 | 39 | 000056-55-3 |
38 | DISULFOTON | 1047.2 | 38 | 000298-04-4 |
39 | 1,2-DIBROMOETHANE | 1041.9 | 35 | 000106-93-4 |
40 | ENDRIN | 1038.3 | 41 | 000072-20-8 |
41 | DIAZINON | 1036.7 | 56 | 000333-41-5 |
42 | HEXACHLOROCYCLOHEXANE, DELTA- | 1034.8 | 43 | 000319-86-8 |
43 | BERYLLIUM | 1032.7 | 42 | 007440-41-7 |
44 | ENDOSULFAN | 1028.0 | 54 | 000115-29-7 |
45 | AROCLOR 1221 | 1027.1 | 48 | 011104-28-2 |
46 | 1,2-DIBROMO-3-CHLOROPROPANE | 1025.8 | 44 | 000096-12-8 |
47 | HEPTACHLOR EPOXIDE | 1021.4 | 46 | 001024-57-3 |
48 | ENDOSULFAN, ALPHA | 1018.4 | 57 | 000959-98-8 |
49 | CIS-CHLORDANE | 1016.1 | 59 | 005103-71-9 |
50 | CARBON TETRACHLORIDE | 1015.5 | 47 | 000056-23-5 |
51 | AROCLOR 1016 | 1011.9 | 51 | 012674-11-2 |
52 | COBALT | 1010.9 | 49 | 007440-48-4 |
53 | PENTACHLOROPHENOL | 1009.0 | 45 | 000087-86-5 |
54 | DDT, O,P’- | 1007.9 | 50 | 000789-02-6 |
55 | METHOXYCHLOR | 1006.3 | 61 | 000072-43-5 |
56 | ENDOSULFAN SULFATE | 1003.9 | 55 | 001031-07-8 |
57 | NICKEL | 998.7 | 53 | 007440-02-0 |
58 | DI-N-BUTYL PHTHALATE | 997.3 | 52 | 000084-74-2 |
59 | ENDRIN KETONE | 992.0 | 63 | 053494-70-5 |
60 | DIBROMOCHLOROPROPANE | 983.0 | 60 | 067708-83-2 |
61 | BENZO(K)FLUORANTHENE | 972.2 | 62 | 000207-08-9 |
62 | XYLENES, TOTAL | 969.2 | 58 | 001330-20-7 |
63 | TRANS-CHLORDANE | 968.3 | 64 | 005103-74-2 |
64 | ENDOSULFAN, BETA | 967.6 | 67 | 033213-65-9 |
65 | CHLORPYRIFOS | 963.9 | 127 | 002921-88-2 |
66 | CHROMIUM(VI) TRIOXIDE | 960.0 | 65 | 001333-82-0 |
67 | AROCLOR 1232 | 958.2 | 68 | 011141-16-5 |
68 | ENDRIN ALDEHYDE | 957.7 | 69 | 007421-93-4 |
69 | METHANE | 953.4 | 66 | 000074-82-8 |
70 | 2-HEXANONE | 941.4 | 72 | 000591-78-6 |
71 | 2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN | 940.9 | 73 | 001746-01-6 |
72 | 3,3′-DICHLOROBENZIDINE | 940.6 | 40 | 000091-94-1 |
73 | BENZOFLUORANTHENE | 935.7 | 70 | 056832-73-6 |
74 | TOLUENE | 924.1 | 71 | 000108-88-3 |
75 | ZINC | 919.1 | 74 | 007440-66-6 |
76 | DI(2-ETHYLHEXYL)PHTHALATE | 908.0 | 76 | 000117-81-7 |
77 | PENTACHLOROBENZENE | 906.8 | 155 | 000608-93-5 |
78 | CHROMIUM | 897.5 | 77 | 007440-47-3 |
79 | AROCLOR 1240 | 888.3 | 81 | 071328-89-7 |
80 | NAPHTHALENE | 881.4 | 78 | 000091-20-3 |
81 | 1,1-DICHLOROETHENE | 879.5 | 79 | 000075-35-4 |
82 | 2,4,6-TRINITROTOLUENE | 877.5 | 82 | 000118-96-7 |
83 | 2,4,6-TRICHLOROPHENOL | 866.4 | 86 | 000088-06-2 |
84 | BIS(2-CHLOROETHYL) ETHER | 866.3 | 88 | 000111-44-4 |
85 | BROMODICHLOROETHANE | 866.2 | 83 | 000683-53-4 |
86 | METHYLENE CHLORIDE | 865.6 | 80 | 000075-09-2 |
87 | DDD, O,P’- | 865.6 | 151 | 000053-19-0 |
88 | HYDRAZINE | 860.8 | 84 | 000302-01-2 |
89 | 2,4-DINITROPHENOL | 858.4 | 87 | 000051-28-5 |
90 | 4,4′-METHYLENEBIS(2-CHLOROANILINE) | 857.2 | 152 | 000101-14-4 |
91 | 1,2-DICHLOROETHANE | 853.6 | 85 | 000107-06-2 |
92 | THIOCYANATE | 845.8 | 89 | 000302-04-5 |
93 | HEXACHLOROBENZENE | 844.3 | 93 | 000118-74-1 |
94 | ASBESTOS | 841.4 | 90 | 001332-21-4 |
95 | RADIUM-226 | 833.3 | 95 | 013982-63-3 |
96 | RDX (CYCLOTRIMETHYLENETRINITRAMINE) | 831.8 | 92 | 000121-82-4 |
97 | URANIUM | 831.8 | 98 | 007440-61-1 |
98 | 2,4-DINITROTOLUENE | 831.2 | 94 | 000121-14-2 |
99 | ETHION | 829.9 | 96 | 000563-12-2 |
100 | RADIUM | 827.7 | 100 | 007440-14-4 |
101 | 4,6-DINITRO-O-CRESOL | 827.3 | 102 | 000534-52-1 |
102 | THORIUM | 823.4 | 101 | 007440-29-1 |
103 | DIMETHYLARSINIC ACID | 821.2 | 75 | 000075-60-5 |
104 | CHLORINE | 820.6 | 91 | 007782-50-5 |
105 | RADON | 818.6 | 105 | 010043-92-2 |
106 | 1,3,5-TRINITROBENZENE | 818.6 | 103 | 000099-35-4 |
107 | HEXACHLOROCYCLOHEXANE, ALPHA- | 817.3 | 115 | 000319-84-6 |
108 | RADIUM-228 | 815.3 | 106 | 015262-20-1 |
109 | THORIUM-230 | 813.7 | 107 | 014269-63-7 |
110 | 1,1,1-TRICHLOROETHANE | 812.4 | 97 | 000071-55-6 |
111 | URANIUM-235 | 812.1 | 107 | 015117-96-1 |
112 | URANIUM-234 | 809.6 | 111 | 013966-29-5 |
113 | THORIUM-228 | 809.5 | 113 | 014274-82-9 |
114 | RADON-222 | 809.3 | 114 | 014859-67-7 |
115 | COAL TARS | 808.2 | 118 | 008007-45-2 |
116 | ETHYLBENZENE | 807.7 | 99 | 000100-41-4 |
117 | CHLOROBENZENE | 807.0 | 104 | 000108-90-7 |
118 | N-NITROSODI-N-PROPYLAMINE | 806.9 | 112 | 000621-64-7 |
119 | CHRYSOTILE ASBESTOS | 806.2 | 119 | 012001-29-5 |
120 | METHYLMERCURY | 806.0 | 123 | 022967-92-6 |
120 | PLUTONIUM-239 | 806.0 | 121 | 015117-48-3 |
122 | POLONIUM-210 | 805.6 | 122 | 013981-52-7 |
123 | PLUTONIUM-238 | 805.2 | 124 | 013981-16-3 |
124 | LEAD-210 | 805.1 | 125 | 014255-04-0 |
125 | COPPER | 804.7 | 128 | 007440-50-8 |
126 | BARIUM | 804.7 | 109 | 007440-39-3 |
127 | AMOSITE ASBESTOS | 804.3 | 131 | 012172-73-5 |
127 | PLUTONIUM | 804.3 | 126 | 007440-07-5 |
127 | STRONTIUM-90 | 804.3 | 119 | 010098-97-2 |
130 | RADON-220 | 804.2 | 130 | 022481-48-7 |
131 | AMERICIUM-241 | 803.8 | 129 | 086954-36-1 |
132 | TRIBUTYLTIN | 802.9 | 134 | 000688-73-3 |
133 | FLUORANTHENE | 802.6 | 110 | 000206-44-0 |
134 | AZINPHOS-METHYL | 802.6 | 135 | 000086-50-0 |
135 | CHLORDECONE | 802.1 | 138 | 000143-50-0 |
136 | NEPTUNIUM-237 | 801.9 | 136 | 013994-20-2 |
137 | HYDROGEN CYANIDE | 801.5 | 133 | 000074-90-8 |
138 | PLUTONIUM-240 | 801.4 | 138 | 014119-33-6 |
139 | 1,2,3-TRICHLOROBENZENE | 800.3 | 116 | 000087-61-6 |
140 | MANGANESE | 799.4 | 117 | 007439-96-5 |
141 | S,S,S-TRIBUTYL PHOSPHOROTRITHIOATE | 797.6 | 141 | 000078-48-8 |
142 | CHRYSENE | 793.4 | 137 | 000218-01-9 |
143 | 2,4,5-TRICHLOROPHENOL | 790.4 | 222 | 000095-95-4 |
144 | POLYBROMINATED BIPHENYLS | 784.3 | 143 | 067774-32-7 |
145 | DICOFOL | 783.8 | 144 | 000115-32-2 |
146 | SELENIUM | 778.3 | 147 | 007782-49-2 |
147 | 1,1,2,2-TETRACHLOROETHANE | 777.5 | 146 | 000079-34-5 |
148 | HEPTACHLORODIBENZO-P-DIOXIN | 773.8 | 154 | 037871-00-4 |
149 | PARATHION | 773.5 | 145 | 000056-38-2 |
150 | HEXACHLOROCYCLOHEXANE, TECHNICAL GRADE | 773.2 | 148 | 000608-73-1 |
151 | TRICHLOROFLUOROETHANE | 772.4 | 149 | 027154-33-2 |
152 | BROMINE | 770.1 | 142 | 007726-95-6 |
153 | HEPTACHLORODIBENZOFURAN | 755.5 | 166 | 038998-75-3 |
154 | TRIFLURALIN | 754.3 | 150 | 001582-09-8 |
155 | 1,3-BUTADIENE | 750.4 | 156 | 000106-99-0 |
156 | 1,2,3,4,6,7,8,9-OCTACHLORODIBENZOFURAN | 742.9 | 162 | 039001-02-0 |
157 | AMMONIA | 741.8 | 157 | 007664-41-7 |
158 | 2-METHYLNAPHTHALENE | 728.9 | 158 | 000091-57-6 |
159 | 1,4-DICHLOROBENZENE | 725.5 | 159 | 000106-46-7 |
160 | 1,1-DICHLOROETHANE | 725.0 | 160 | 000075-34-3 |
161 | 2,3,4,7,8-PENTACHLORODIBENZOFURAN | 723.6 | 168 | 057117-31-4 |
162 | NALED | 720.6 | 235 | 000300-76-5 |
163 | HEXACHLOROCYCLOPENTADIENE | 718.1 | 165 | 000077-47-4 |
164 | 1,2-DIPHENYLHYDRAZINE | 717.9 | 167 | 000122-66-7 |
165 | 1,1,2-TRICHLOROETHANE | 717.0 | 163 | 000079-00-5 |
166 | PHORATE | 715.2 | 225 | 000298-02-2 |
167 | TRICHLOROETHANE | 713.8 | 164 | 025323-89-1 |
168 | ACENAPHTHENE | 711.8 | 161 | 000083-32-9 |
169 | TETRACHLOROBIPHENYL | 709.2 | 169 | 026914-33-0 |
170 | OXYCHLORDANE | 705.5 | 171 | 027304-13-8 |
171 | PALLADIUM | 705.4 | 180 | 007440-05-3 |
172 | CRESOL, PARA- | 704.8 | 170 | 000106-44-5 |
173 | INDENO(1,2,3-CD)PYRENE | 702.6 | 174 | 000193-39-5 |
174 | GAMMA-CHLORDENE | 701.9 | 175 | 056641-38-4 |
175 | 1,2-DICHLOROBENZENE | 698.0 | 172 | 000095-50-1 |
176 | TETRACHLOROPHENOL | 697.0 | 177 | 025167-83-3 |
177 | 1,2-DICHLOROETHENE, TRANS- | 695.5 | 173 | 000156-60-5 |
178 | CHLOROETHANE | 688.9 | 183 | 000075-00-3 |
179 | PHENOL | 688.4 | 182 | 000108-95-2 |
180 | P-XYLENE | 686.6 | 185 | 000106-42-3 |
181 | ALUMINUM | 684.7 | 187 | 007429-90-5 |
182 | CARBON DISULFIDE | 683.0 | 176 | 000075-15-0 |
183 | CARBON MONOXIDE | 682.2 | 189 | 000630-08-0 |
184 | 2,4-DIMETHYLPHENOL | 680.5 | 188 | 000105-67-9 |
185 | DIBENZOFURAN | 677.3 | 186 | 000132-64-9 |
186 | ACETONE | 676.5 | 184 | 000067-64-1 |
187 | HEXACHLOROETHANE | 669.4 | 197 | 000067-72-1 |
188 | BUTYL METHYL PHTHALATE | 667.4 | 194 | 034006-76-3 |
189 | CHLOROMETHANE | 666.3 | 193 | 000074-87-3 |
190 | HEXACHLORODIBENZOFURAN | 660.1 | 181 | 055684-94-1 |
191 | BUTYL BENZYL PHTHALATE | 659.1 | 195 | 000085-68-7 |
192 | HYDROGEN SULFIDE | 656.3 | 191 | 007783-06-4 |
193 | DICHLORVOS | 655.5 | 240 | 000062-73-7 |
194 | CRESOL, ORTHO- | 653.4 | 196 | 000095-48-7 |
195 | DIBENZOFURANS, CHLORINATED | 653.0 | 236 | 042934-53-2 |
196 | HEXACHLORODIBENZO-P-DIOXIN | 651.7 | 153 | 034465-46-8 |
197 | VANADIUM | 649.9 | 198 | 007440-62-2 |
198 | N-NITROSODIMETHYLAMINE | 648.3 | 199 | 000062-75-9 |
199 | 1,2,4-TRICHLOROBENZENE | 647.4 | 200 | 000120-82-1 |
200 | ETHOPROP | 643.7 | 236 | 013194-48-4 |
201 | TETRACHLORODIBENZO-P-DIOXIN | 641.5 | 202 | 041903-57-5 |
202 | BROMOFORM | 635.1 | 201 | 000075-25-2 |
203 | PENTACHLORODIBENZOFURAN | 631.7 | 192 | 030402-15-4 |
204 | 1,3-DICHLOROBENZENE | 628.6 | 203 | 000541-73-1 |
205 | PENTACHLORODIBENZO-P-DIOXIN | 625.9 | 204 | 036088-22-9 |
206 | N-NITROSODIPHENYLAMINE | 625.8 | 205 | 000086-30-6 |
207 | 2,3,7,8-TETRACHLORODIBENZOFURAN | 618.9 | 207 | 051207-31-9 |
208 | 2,4-DICHLOROPHENOL | 618.5 | 209 | 000120-83-2 |
209 | 2,3-DIMETHYLNAPHTHALENE | 617.5 | New | 000581-40-8 |
210 | 1,4-DIOXANE | 613.5 | 210 | 000123-91-1 |
211 | FLUORINE | 613.3 | 211 | 007782-41-4 |
212 | 2-BUTANONE | 611.1 | 208 | 000078-93-3 |
213 | 1,2-DICHLOROETHYLENE | 610.4 | 206 | 000540-59-0 |
214 | CESIUM-137 | 610.0 | 213 | 010045-97-3 |
214 | CHROMIC ACID | 610.0 | 215 | 007738-94-5 |
216 | NITRITE | 609.0 | 212 | 014797-65-0 |
217 | SILVER | 608.1 | 214 | 007440-22-4 |
218 | POTASSIUM-40 | 607.6 | 217 | 013966-00-2 |
219 | DINITROTOLUENE | 607.3 | 218 | 025321-14-6 |
220 | NITRATE | 606.0 | 216 | 014797-55-8 |
221 | COAL TAR PITCH | 605.2 | 220 | 065996-93-2 |
222 | THORIUM-227 | 605.0 | 221 | 015623-47-9 |
223 | ARSENIC ACID | 604.3 | 223 | 007778-39-4 |
224 | ARSENIC TRIOXIDE | 603.8 | 224 | 001327-53-3 |
225 | BENZOPYRENE | 602.9 | 226 | 073467-76-2 |
226 | CHLORDANE, TECHNICAL | 602.5 | 228 | 012789-03-6 |
227 | STROBANE | 602.5 | 230 | 008001-50-1 |
228 | 4-AMINOBIPHENYL | 602.4 | 232 | 000092-67-1 |
228 | PYRETHRUM | 602.4 | 232 | 008003-34-7 |
230 | ARSINE | 602.4 | 234 | 007784-42-1 |
230 | DIMETHOATE | 602.4 | 229 | 000060-51-5 |
232 | ANTIMONY | 602.2 | 219 | 007440-36-0 |
233 | CARBOPHENOTHION | 601.9 | 238 | 000786-19-6 |
234 | ALPHA-CHLORDENE | 601.4 | 238 | 056534-02-2 |
234 | IODINE-131 | 601.4 | 132 | 010043-66-0 |
234 | MERCURIC CHLORIDE | 601.4 | 241 | 007487-94-7 |
234 | SODIUM ARSENITE | 601.4 | 241 | 007784-46-5 |
234 | URANIUM-233 | 601.4 | 178 | 013968-55-3 |
239 | DIBROMOCHLOROMETHANE | 600.5 | 249 | 000124-48-1 |
240 | CRESOLS | 597.1 | 227 | 001319-77-3 |
241 | FORMALDEHYDE | 596.0 | 244 | 000050-00-0 |
242 | DICHLOROBENZENE | 595.4 | 254 | 025321-22-6 |
243 | 2,4-D ACID | 594.5 | 248 | 000094-75-7 |
244 | 2-CHLOROPHENOL | 591.1 | 245 | 000095-57-8 |
245 | BUTYLATE | 589.9 | 251 | 002008-41-5 |
246 | PHENANTHRENE | 588.3 | 246 | 000085-01-8 |
247 | DIMETHYL FORMAMIDE | 585.3 | 252 | 000068-12-2 |
248 | 4-NITROPHENOL | 580.0 | 257 | 000100-02-7 |
249 | DIURON | 578.7 | 250 | 000330-54-1 |
250 | TETRACHLOROETHANE | 576.7 | 190 | 025322-20-7 |
251 | DICHLOROETHANE | 567.8 | 256 | 001300-21-6 |
252 | ETHYL ETHER | 565.2 | 255 | 000060-29-7 |
253 | PYRENE | 564.1 | 253 | 000129-00-0 |
254 | DIMETHYLANILINE | 561.8 | New | 000121-69-7 |
255 | 1,3-DICHLOROPROPENE, CIS- | 561.0 | 258 | 010061-01-5 |
256 | 1,2,3,4,6,7,8-HEPTACHLORODIBENZO-P-DIOXIN | 558.9 | 263 | 035822-46-9 |
257 | PHOSPHINE | 555.2 | 259 | 007803-51-2 |
258 | TRICHLOROBENZENE | 555.1 | 260 | 012002-48-1 |
259 | 2,6-DINITROTOLUENE | 554.4 | 261 | 000606-20-2 |
260 | FLUORIDE ION | 549.9 | 262 | 016984-48-8 |
261 | 1,2,3,4,6,7,8-HEPTACHLORODIBENZOFURAN | 548.8 | 273 | 067562-39-4 |
262 | PENTAERYTHRITOL TETRANITRATE | 548.2 | 265 | 000078-11-5 |
263 | 1,3-DICHLOROPROPENE, TRANS- | 548.0 | 266 | 010061-02-6 |
264 | ACRYLONITRILE | 543.2 | 274 | 000107-13-1 |
265 | BIS(2-ETHYLHEXYL)ADIPATE | 542.4 | 267 | 000103-23-1 |
266 | CARBAZOLE | 538.6 | 268 | 000086-74-8 |
267 | METOLACHLOR | 538.2 | New | 051218-45-2 |
268 | 2-CHLOROANILINE | 537.9 | New | 000095-51-2 |
269 | 1,2,3-TRICHLOROPROPANE | 536.1 | New | 000096-18-4 |
270 | CARBARYL | 535.5 | 272 | 000063-25-2 |
271 | 1,2-DICHLOROETHENE, CIS- | 533.8 | 270 | 000156-59-2 |
272 | METHYL ISOBUTYL KETONE | 529.6 | 269 | 000108-10-1 |
273 | STYRENE | 529.4 | 271 | 000100-42-5 |
274 | THALLIUM | 525.3 | New | 007440-28-0 |
275 | 1,2,3,7,8,9-HEXACHLORODIBENZOFURAN | 524.3 | New | 072918-21-9 |
Page last reviewed: May 7, 2014
Content source: Agency for Toxic Substances and Disease Registry