2007 CERCLA Priority List of Hazardous Substances
PDF Version, Sorted by Rank | PDF version, Sorted by Name | ||||
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2007 RANK | SUBSTANCE NAME | TOTAL POINTS | 2005 RANK | CAS # |
1 | ARSENIC | 1672.58 | 1 | 007440-38-2 |
2 | LEAD | 1534.07 | 2 | 007439-92-1 |
3 | MERCURY | 1504.69 | 3 | 007439-97-6 |
4 | VINYL CHLORIDE | 1387.75 | 4 | 000075-01-4 |
5 | POLYCHLORINATED BIPHENYLS | 1365.78 | 5 | 001336-36-3 |
6 | BENZENE | 1355.96 | 6 | 000071-43-2 |
7 | CADMIUM | 1324.22 | 8 | 007440-43-9 |
8 | POLYCYCLIC AROMATIC HYDROCARBONS | 1316.98 | 7 | 130498-29-2 |
9 | BENZO(A)PYRENE | 1312.45 | 9 | 000050-32-8 |
10 | BENZO(B)FLUORANTHENE | 1266.55 | 10 | 000205-99-2 |
11 | CHLOROFORM | 1223.03 | 11 | 000067-66-3 |
12 | DDT, P,P'- | 1193.36 | 12 | 000050-29-3 |
13 | AROCLOR 1254 | 1182.63 | 13 | 011097-69-1 |
14 | AROCLOR 1260 | 1177.77 | 14 | 011096-82-5 |
15 | DIBENZO(A,H)ANTHRACENE | 1165.88 | 15 | 000053-70-3 |
16 | TRICHLOROETHYLENE | 1154.73 | 16 | 000079-01-6 |
17 | DIELDRIN | 1150.91 | 17 | 000060-57-1 |
18 | CHROMIUM, HEXAVALENT | 1149.98 | 18 | 018540-29-9 |
19 | PHOSPHORUS, WHITE | 1144.77 | 19 | 007723-14-0 |
20 | CHLORDANE | 1133.21 | 21 | 000057-74-9 |
21 | DDE, P,P'- | 1132.49 | 20 | 000072-55-9 |
22 | HEXACHLOROBUTADIENE | 1129.63 | 22 | 000087-68-3 |
23 | COAL TAR CREOSOTE | 1124.32 | 23 | 008001-58-9 |
24 | ALDRIN | 1117.22 | 25 | 000309-00-2 |
25 | DDD, P,P'- | 1114.83 | 24 | 000072-54-8 |
26 | BENZIDINE | 1114.24 | 26 | 000092-87-5 |
27 | AROCLOR 1248 | 1112.20 | 27 | 012672-29-6 |
28 | CYANIDE | 1099.48 | 28 | 000057-12-5 |
29 | AROCLOR 1242 | 1093.14 | 29 | 053469-21-9 |
30 | AROCLOR | 1091.52 | 62 | 012767-79-2 |
31 | TOXAPHENE | 1086.65 | 30 | 008001-35-2 |
32 | HEXACHLOROCYCLOHEXANE, GAMMA- | 1081.63 | 32 | 000058-89-9 |
33 | TETRACHLOROETHYLENE | 1080.43 | 31 | 000127-18-4 |
34 | HEPTACHLOR | 1072.67 | 33 | 000076-44-8 |
35 | 1,2-DIBROMOETHANE | 1064.06 | 34 | 000106-93-4 |
36 | HEXACHLOROCYCLOHEXANE, BETA- | 1060.22 | 37 | 000319-85-7 |
37 | ACROLEIN | 1059.07 | 36 | 000107-02-8 |
38 | DISULFOTON | 1058.85 | 35 | 000298-04-4 |
39 | BENZO(A)ANTHRACENE | 1057.96 | 38 | 000056-55-3 |
40 | 3,3'-DICHLOROBENZIDINE | 1051.61 | 39 | 000091-94-1 |
41 | ENDRIN | 1048.57 | 41 | 000072-20-8 |
42 | BERYLLIUM | 1046.12 | 40 | 007440-41-7 |
43 | HEXACHLOROCYCLOHEXANE, DELTA- | 1038.27 | 42 | 000319-86-8 |
44 | 1,2-DIBROMO-3-CHLOROPROPANE | 1035.55 | 43 | 000096-12-8 |
45 | PENTACHLOROPHENOL | 1028.01 | 45 | 000087-86-5 |
46 | HEPTACHLOR EPOXIDE | 1027.12 | 44 | 001024-57-3 |
47 | CARBON TETRACHLORIDE | 1023.32 | 46 | 000056-23-5 |
48 | AROCLOR 1221 | 1018.41 | 47 | 011104-28-2 |
49 | COBALT | 1015.57 | 50 | 007440-48-4 |
50 | DDT, O,P'- | 1014.71 | 49 | 000789-02-6 |
51 | AROCLOR 1016 | 1014.33 | 48 | 012674-11-2 |
52 | DI-N-BUTYL PHTHALATE | 1007.49 | 52 | 000084-74-2 |
53 | NICKEL | 1005.40 | 55 | 007440-02-0 |
54 | ENDOSULFAN | 1004.65 | 54 | 000115-29-7 |
55 | ENDOSULFAN SULFATE | 1003.56 | 53 | 001031-07-8 |
56 | DIAZINON | 1002.08 | 57 | 000333-41-5 |
57 | ENDOSULFAN, ALPHA | 1001.30 | 58 | 000959-98-8 |
58 | XYLENES, TOTAL | 996.07 | 59 | 001330-20-7 |
59 | CIS-CHLORDANE | 995.08 | 51 | 005103-71-9 |
60 | DIBROMOCHLOROPROPANE | 994.87 | 60 | 067708-83-2 |
61 | METHOXYCHLOR | 994.47 | 61 | 000072-43-5 |
62 | BENZO(K)FLUORANTHENE | 981.26 | 63 | 000207-08-9 |
63 | ENDRIN KETONE | 978.99 | 64 | 053494-70-5 |
64 | TRANS-CHLORDANE | 973.99 | 56 | 005103-74-2 |
65 | CHROMIUM(VI) OXIDE | 969.58 | 66 | 001333-82-0 |
66 | METHANE | 959.78 | 67 | 000074-82-8 |
67 | ENDOSULFAN, BETA | 959.19 | 65 | 033213-65-9 |
68 | AROCLOR 1232 | 955.64 | 68 | 011141-16-5 |
69 | ENDRIN ALDEHYDE | 954.86 | 69 | 007421-93-4 |
70 | BENZOFLUORANTHENE | 951.48 | 70 | 056832-73-6 |
71 | TOLUENE | 947.50 | 71 | 000108-88-3 |
72 | 2-HEXANONE | 942.02 | 72 | 000591-78-6 |
73 | 2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN | 938.11 | 73 | 001746-01-6 |
74 | ZINC | 932.89 | 74 | 007440-66-6 |
75 | DIMETHYLARSINIC ACID | 922.06 | 75 | 000075-60-5 |
76 | DI(2-ETHYLHEXYL)PHTHALATE | 919.02 | 76 | 000117-81-7 |
77 | CHROMIUM | 908.52 | 77 | 007440-47-3 |
78 | NAPHTHALENE | 896.67 | 78 | 000091-20-3 |
79 | 1,1-DICHLOROETHENE | 891.19 | 79 | 000075-35-4 |
80 | METHYLENE CHLORIDE | 888.96 | 81 | 000075-09-2 |
81 | AROCLOR 1240 | 888.11 | 80 | 071328-89-7 |
82 | 2,4,6-TRINITROTOLUENE | 883.59 | 82 | 000118-96-7 |
83 | BROMODICHLOROETHANE | 870.00 | 83 | 000683-53-4 |
84 | HYDRAZINE | 864.41 | 85 | 000302-01-2 |
85 | 1,2-DICHLOROETHANE | 863.99 | 84 | 000107-06-2 |
86 | 2,4,6-TRICHLOROPHENOL | 863.71 | 86 | 000088-06-2 |
87 | 2,4-DINITROPHENOL | 860.45 | 87 | 000051-28-5 |
88 | BIS(2-CHLOROETHYL) ETHER | 859.88 | 88 | 000111-44-4 |
89 | THIOCYANATE | 849.21 | 89 | 000302-04-5 |
90 | ASBESTOS | 841.54 | 90 | 001332-21-4 |
91 | CHLORINE | 840.37 | 92 | 007782-50-5 |
92 | CYCLOTRIMETHYLENETRINITRAMINE (RDX) | 840.28 | 91 | 000121-82-4 |
93 | HEXACHLOROBENZENE | 838.34 | 93 | 000118-74-1 |
94 | 2,4-DINITROTOLUENE | 837.88 | 96 | 000121-14-2 |
95 | RADIUM-226 | 835.93 | 94 | 013982-63-3 |
96 | ETHION | 834.03 | 97 | 000563-12-2 |
97 | 1,1,1-TRICHLOROETHANE | 833.81 | 95 | 000071-55-6 |
98 | URANIUM | 833.41 | 98 | 007440-61-1 |
99 | ETHYLBENZENE | 832.13 | 99 | 000100-41-4 |
100 | RADIUM | 828.07 | 100 | 007440-14-4 |
101 | THORIUM | 825.17 | 101 | 007440-29-1 |
102 | 4,6-DINITRO-O-CRESOL | 822.78 | 102 | 000534-52-1 |
103 | 1,3,5-TRINITROBENZENE | 820.17 | 103 | 000099-35-4 |
104 | CHLOROBENZENE | 819.69 | 105 | 000108-90-7 |
105 | RADON | 817.89 | 104 | 010043-92-2 |
106 | RADIUM-228 | 816.76 | 106 | 015262-20-1 |
107 | THORIUM-230 | 814.72 | 107 | 014269-63-7 |
107 | URANIUM-235 | 814.72 | 107 | 015117-96-1 |
109 | BARIUM | 813.46 | 109 | 007440-39-3 |
110 | FLUORANTHENE | 812.40 | 113 | 000206-44-0 |
111 | URANIUM-234 | 812.11 | 110 | 013966-29-5 |
112 | N-NITROSODI-N-PROPYLAMINE | 811.05 | 111 | 000621-64-7 |
113 | THORIUM-228 | 810.36 | 112 | 014274-82-9 |
114 | RADON-222 | 809.78 | 114 | 014859-67-7 |
115 | HEXACHLOROCYCLOHEXANE, ALPHA- | 809.56 | 116 | 000319-84-6 |
116 | 1,2,3-TRICHLOROBENZENE | 808.41 | 143 | 000087-61-6 |
117 | MANGANESE | 807.90 | 115 | 007439-96-5 |
118 | COAL TARS | 807.07 | 117 | 008007-45-2 |
119 | CHRYSOTILE ASBESTOS | 806.68 | 119 | 012001-29-5 |
119 | STRONTIUM-90 | 806.68 | 119 | 010098-97-2 |
121 | PLUTONIUM-239 | 806.67 | 118 | 015117-48-3 |
122 | POLONIUM-210 | 806.39 | 122 | 013981-52-7 |
123 | METHYLMERCURY | 806.39 | 121 | 022967-92-6 |
124 | PLUTONIUM-238 | 806.01 | 123 | 013981-16-3 |
125 | LEAD-210 | 805.90 | 124 | 014255-04-0 |
126 | PLUTONIUM | 805.23 | 125 | 007440-07-5 |
127 | CHLORPYRIFOS | 804.93 | 125 | 002921-88-2 |
128 | COPPER | 804.86 | 133 | 007440-50-8 |
129 | AMERICIUM-241 | 804.55 | 128 | 086954-36-1 |
130 | RADON-220 | 804.54 | 127 | 022481-48-7 |
131 | AMOSITE ASBESTOS | 804.07 | 129 | 012172-73-5 |
132 | IODINE-131 | 803.48 | 130 | 010043-66-0 |
133 | HYDROGEN CYANIDE | 803.08 | 132 | 000074-90-8 |
134 | TRIBUTYLTIN | 802.61 | 131 | 000688-73-3 |
135 | GUTHION | 802.32 | 134 | 000086-50-0 |
136 | NEPTUNIUM-237 | 802.13 | 135 | 013994-20-2 |
137 | CHRYSENE | 802.10 | 139 | 000218-01-9 |
138 | CHLORDECONE | 801.64 | 136 | 000143-50-0 |
138 | IODINE-129 | 801.64 | 136 | 015046-84-1 |
138 | PLUTONIUM-240 | 801.64 | 136 | 014119-33-6 |
141 | S,S,S-TRIBUTYL PHOSPHOROTRITHIOATE | 797.88 | 140 | 000078-48-8 |
142 | BROMINE | 789.15 | 142 | 007726-95-6 |
143 | POLYBROMINATED BIPHENYLS | 789.11 | 141 | 067774-32-7 |
144 | DICOFOL | 787.56 | 144 | 000115-32-2 |
145 | PARATHION | 784.14 | 145 | 000056-38-2 |
146 | 1,1,2,2-TETRACHLOROETHANE | 782.15 | 146 | 000079-34-5 |
147 | SELENIUM | 778.98 | 147 | 007782-49-2 |
148 | HEXACHLOROCYCLOHEXANE, TECHNICAL GRADE | 774.91 | 148 | 000608-73-1 |
149 | TRICHLOROFLUOROETHANE | 770.74 | 149 | 027154-33-2 |
150 | TRIFLURALIN | 770.12 | 150 | 001582-09-8 |
151 | DDD, O,P'- | 768.73 | 151 | 000053-19-0 |
152 | 4,4'-METHYLENEBIS(2-CHLOROANILINE) | 766.66 | 152 | 000101-14-4 |
153 | HEXACHLORODIBENZO-P-DIOXIN | 760.42 | 153 | 034465-46-8 |
154 | HEPTACHLORODIBENZO-P-DIOXIN | 754.47 | 154 | 037871-00-4 |
155 | PENTACHLOROBENZENE | 753.58 | 155 | 000608-93-5 |
156 | 1,3-BUTADIENE | 747.31 | 201 | 000106-99-0 |
157 | AMMONIA | 745.55 | 156 | 007664-41-7 |
158 | 2-METHYLNAPHTHALENE | 743.24 | 157 | 000091-57-6 |
159 | 1,4-DICHLOROBENZENE | 737.32 | 159 | 000106-46-7 |
160 | 1,1-DICHLOROETHANE | 736.23 | 158 | 000075-34-3 |
161 | ACENAPHTHENE | 731.25 | 160 | 000083-32-9 |
162 | 1,2,3,4,6,7,8,9-OCTACHLORODIBENZOFURAN | 726.14 | 161 | 039001-02-0 |
163 | 1,1,2-TRICHLOROETHANE | 724.96 | 162 | 000079-00-5 |
164 | TRICHLOROETHANE | 723.32 | 163 | 025323-89-1 |
165 | HEXACHLOROCYCLOPENTADIENE | 719.01 | 164 | 000077-47-4 |
166 | HEPTACHLORODIBENZOFURAN | 718.58 | 165 | 038998-75-3 |
167 | 1,2-DIPHENYLHYDRAZINE | 713.90 | 166 | 000122-66-7 |
168 | 2,3,4,7,8-PENTACHLORODIBENZOFURAN | 710.71 | 167 | 057117-31-4 |
169 | TETRACHLOROBIPHENYL | 709.21 | 168 | 026914-33-0 |
170 | CRESOL, PARA- | 707.83 | 169 | 000106-44-5 |
171 | OXYCHLORDANE | 706.32 | 170 | 027304-13-8 |
172 | 1,2-DICHLOROBENZENE | 704.91 | 171 | 000095-50-1 |
173 | 1,2-DICHLOROETHENE, TRANS- | 704.04 | 178 | 000156-60-5 |
174 | INDENO(1,2,3-CD)PYRENE | 703.30 | 180 | 000193-39-5 |
175 | GAMMA-CHLORDENE | 702.59 | 172 | 056641-38-4 |
176 | CARBON DISULFIDE | 702.55 | 174 | 000075-15-0 |
177 | TETRACHLOROPHENOL | 702.54 | 173 | 025167-83-3 |
178 | AMERICIUM | 701.62 | 175 | 007440-35-9 |
178 | URANIUM-233 | 701.62 | 175 | 013968-55-3 |
180 | PALLADIUM | 700.66 | 177 | 007440-05-3 |
181 | HEXACHLORODIBENZOFURAN | 700.56 | 179 | 055684-94-1 |
182 | PHENOL | 696.96 | 183 | 000108-95-2 |
183 | CHLOROETHANE | 693.90 | 182 | 000075-00-3 |
184 | ACETONE | 693.31 | 181 | 000067-64-1 |
185 | P-XYLENE | 690.20 | 185 | 000106-42-3 |
186 | DIBENZOFURAN | 689.19 | 187 | 000132-64-9 |
187 | ALUMINUM | 688.13 | 186 | 007429-90-5 |
188 | 2,4-DIMETHYLPHENOL | 685.76 | 189 | 000105-67-9 |
189 | CARBON MONOXIDE | 684.49 | 188 | 000630-08-0 |
190 | TETRACHLOROETHANE | 677.97 | 190 | 025322-20-7 |
191 | HYDROGEN SULFIDE | 676.51 | 193 | 007783-06-4 |
192 | PENTACHLORODIBENZOFURAN | 673.21 | 192 | 030402-15-4 |
193 | CHLOROMETHANE | 670.19 | 191 | 000074-87-3 |
194 | BIS(2-METHOXYETHYL) PHTHALATE | 666.08 | 194 | 034006-76-3 |
195 | BUTYL BENZYL PHTHALATE | 659.38 | 195 | 000085-68-7 |
196 | CRESOL, ORTHO- | 658.66 | 196 | 000095-48-7 |
197 | HEXACHLOROETHANE | 653.10 | 199 | 000067-72-1 |
198 | VANADIUM | 651.70 | 198 | 007440-62-2 |
199 | N-NITROSODIMETHYLAMINE | 650.71 | 200 | 000062-75-9 |
200 | 1,2,4-TRICHLOROBENZENE | 647.30 | 203 | 000120-82-1 |
201 | BROMOFORM | 643.53 | 202 | 000075-25-2 |
202 | TETRACHLORODIBENZO-P-DIOXIN | 635.74 | 204 | 041903-57-5 |
203 | 1,3-DICHLOROBENZENE | 631.41 | 205 | 000541-73-1 |
204 | PENTACHLORODIBENZO-P-DIOXIN | 625.12 | 207 | 036088-22-9 |
205 | N-NITROSODIPHENYLAMINE | 624.79 | 208 | 000086-30-6 |
206 | 1,2-DICHLOROETHYLENE | 622.49 | 206 | 000540-59-0 |
207 | 2,3,7,8-TETRACHLORODIBENZOFURAN | 622.15 | 210 | 051207-31-9 |
208 | 2-BUTANONE | 620.01 | 209 | 000078-93-3 |
209 | 2,4-DICHLOROPHENOL | 616.45 | 212 | 000120-83-2 |
210 | 1,4-DIOXANE | 616.29 | 215 | 000123-91-1 |
211 | FLUORINE | 613.28 | 214 | 007782-41-4 |
212 | NITRITE | 612.64 | 216 | 014797-65-0 |
213 | CESIUM-137 | 612.50 | 217 | 010045-97-3 |
214 | SILVER | 612.19 | 213 | 007440-22-4 |
215 | CHROMIUM TRIOXIDE | 610.85 | 218 | 007738-94-5 |
216 | NITRATE | 610.66 | 219 | 014797-55-8 |
217 | POTASSIUM-40 | 608.91 | 220 | 013966-00-2 |
218 | DINITROTOLUENE | 607.65 | 221 | 025321-14-6 |
219 | ANTIMONY | 605.37 | 222 | 007440-36-0 |
220 | COAL TAR PITCH | 605.33 | 224 | 065996-93-2 |
221 | THORIUM-227 | 605.32 | 223 | 015623-47-9 |
222 | 2,4,5-TRICHLOROPHENOL | 604.83 | 225 | 000095-95-4 |
223 | ARSENIC ACID | 604.45 | 226 | 007778-39-4 |
224 | ARSENIC TRIOXIDE | 604.36 | 227 | 001327-53-3 |
225 | PHORATE | 603.10 | 228 | 000298-02-2 |
226 | BENZOPYRENE | 603.00 | 230 | 073467-76-2 |
227 | CRESOLS | 602.74 | 229 | 001319-77-3 |
228 | CHLORDANE, TECHNICAL | 602.62 | 231 | 012789-03-6 |
229 | DIMETHOATE | 602.61 | 232 | 000060-51-5 |
230 | ACTINIUM-227 | 602.57 | 233 | 014952-40-0 |
230 | STROBANE | 602.57 | 233 | 008001-50-1 |
232 | 4-AMINOBIPHENYL | 602.51 | 235 | 000092-67-1 |
232 | PYRETHRUM | 602.51 | 235 | 008003-34-7 |
234 | ARSINE | 602.42 | 237 | 007784-42-1 |
235 | NALED | 602.32 | 238 | 000300-76-5 |
236 | DIBENZOFURANS, CHLORINATED | 602.13 | 239 | 042934-53-2 |
236 | ETHOPROP | 602.13 | 239 | 013194-48-4 |
238 | ALPHA-CHLORDENE | 601.94 | 241 | 056534-02-2 |
238 | CARBOPHENOTHION | 601.94 | 241 | 000786-19-6 |
240 | DICHLORVOS | 601.64 | 243 | 000062-73-7 |
241 | CALCIUM ARSENATE | 601.45 | 244 | 007778-44-1 |
241 | MERCURIC CHLORIDE | 601.45 | 244 | 007487-94-7 |
241 | SODIUM ARSENITE | 601.45 | 244 | 007784-46-5 |
244 | FORMALDEHYDE | 599.64 | 247 | 000050-00-0 |
245 | 2-CHLOROPHENOL | 599.62 | 248 | 000095-57-8 |
246 | PHENANTHRENE | 597.68 | 249 | 000085-01-8 |
247 | HYDROGEN FLUORIDE | 588.03 | 250 | 007664-39-3 |
248 | 2,4-D ACID | 584.47 | 251 | 000094-75-7 |
249 | DIBROMOCHLOROMETHANE | 580.59 | 252 | 000124-48-1 |
250 | DIURON | 579.16 | 253 | 000330-54-1 |
251 | BUTYLATE | 578.43 | 254 | 002008-41-5 |
252 | DIMETHYL FORMAMIDE | 578.23 | 255 | 000068-12-2 |
253 | PYRENE | 577.95 | 256 | 000129-00-0 |
254 | DICHLOROBENZENE | 577.70 | 211 | 025321-22-6 |
255 | ETHYL ETHER | 572.47 | 257 | 000060-29-7 |
256 | DICHLOROETHANE | 570.46 | 258 | 001300-21-6 |
257 | 4-NITROPHENOL | 567.79 | 259 | 000100-02-7 |
258 | 1,3-DICHLOROPROPENE, CIS- | 561.82 | 184 | 010061-01-5 |
259 | PHOSPHINE | 559.74 | 260 | 007803-51-2 |
260 | TRICHLOROBENZENE | 557.96 | 261 | 012002-48-1 |
261 | 2,6-DINITROTOLUENE | 555.20 | 262 | 000606-20-2 |
262 | FLUORIDE ION | 549.64 | 263 | 016984-48-8 |
263 | 1,2,3,4,6,7,8-HEPTACHLORODIBENZO-P-DIOXIN | 547.90 | 264 | 035822-46-9 |
264 | METHYL PARATHION | 545.83 | 265 | 000298-00-0 |
265 | PENTAERYTHRITOL TETRANITRATE | 545.59 | 266 | 000078-11-5 |
266 | 1,3-DICHLOROPROPENE, TRANS- | 543.37 | 267 | 010061-02-6 |
267 | BIS(2-ETHYLHEXYL)ADIPATE | 540.20 | 268 | 000103-23-1 |
268 | CARBAZOLE | 534.52 | 269 | 000086-74-8 |
269 | METHYL ISOBUTYL KETONE | 533.24 | 271 | 000108-10-1 |
270 | 1,2-DICHLOROETHENE, CIS- | 533.15 | 270 | 000156-59-2 |
271 | STYRENE | 532.70 | 272 | 000100-42-5 |
272 | CARBARYL | 530.98 | 273 | 000063-25-2 |
273 | 1,2,3,4,6,7,8-HEPTACHLORODIBENZOFURAN | 529.45 | 274 | 067562-39-4 |
274 | ACRYLONITRILE | 528.28 | 275 | 000107-13-1 |
275 | 1-METHYLNAPHTHALENE | 526.51 | NEW |
Substances were assigned the same rank when two (or more) substances received equivalent total point scores.
CAS #= Chemical Abstracts Service Registry Number
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