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1991 ATSDR Substance Priority List

There was no previous SPL, so it doesn’t have a Previous Rank column.

1991 RANK SUBSTANCE NAME TOTAL POINTS CAS RN
1 LEAD 1672.50 007439-92-1
2 ARSENIC 1555.26 007440-38-2
3 MERCURY 1429.92 007439-97-6
4 VINYL CHLORIDE 1347.67 000075-01-4
5 BENZENE 1327.22 000071-43-2
6 CADMIUM 1291.39 007440-43-9
7 POLYCHLORINATED BIPHENYLS 1248.39 001336-36-3
8 CHLOROFORM 1234.39 000067-66-3
9 BENZO(B)FLUORANTHENE 1187.12 000205-99-2
10 TRICHLOROETHYLENE 1179.83 000079-01-6
11 CHLORDANE 1177.16 000057-74-9
12 BENZO(A)PYRENE 1170.56 000050-32-8
13 AROCLOR 1260 1159.62 011096-82-5
14 AROCLOR 1254 1154.81 011097-69-1
15 DDT, P,P’- 1147.86 000050-29-3
16 CREOSOTE 1122.32 008001-58-9
17 DDE, P,P’- 1110.37 000072-55-9
18 AROCLOR 1248 1109.71 012672-29-6
19 CHROMIUM, HEXAVALENT 1100.27 018540-29-9
20 DIBENZO(A,H)ANTHRACENE 1096.84 000053-70-3
21 HEXACHLOROCYCLOHEXANE, GAMMA- 1079.00 000058-89-9
22 TETRACHLOROETHYLENE 1077.76 000127-18-4
23 ALDRIN 1069.70 000309-00-2
24 DDD, P,P’- 1065.45 000072-54-8
25 CYANIDE 1062.59 000057-12-5
26 HEPTACHLOR 1061.94 000076-44-8
27 HEXACHLOROCYCLOHEXANE, BETA- 1058.76 000319-85-7
28 DI-N-BUTYL PHTHALATE 1053.46 000084-74-2
29 AROCLOR 1242 1040.19 053469-21-9
30 DIELDRIN 1033.69 000060-57-1
31 PENTACHLOROPHENOL 1027.99 000087-86-5
32 ENDRIN 1008.24 000072-20-8
33 CARBON TETRACHLORIDE 1006.03 000056-23-5
34 BERYLLIUM 1005.31 007440-41-7
35 TOLUENE 1002.62 000108-88-3
36 HEXACHLOROBUTADIENE 1001.92 000087-68-3
37 TOXAPHENE 1000.53 008001-35-2
38 ENDOSULFAN, ALPHA 992.41 000959-98-8
39 2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN 991.56 001746-01-6
40 BENZO(A)ANTHRACENE 990.51 000056-55-3
41 HEXACHLOROCYCLOHEXANE, DELTA- 989.15 000319-86-8
42 NICKEL 982.12 007440-02-0
43 MANGANESE 970.26 007439-96-5
44 DIBROMOCHLOROPROPANE 964.39 067708-83-2
45 METHOXYCHLOR 964.23 000072-43-5
46 3,3′-DICHLOROBENZIDINE 960.64 000091-94-1
47 DIMETHYLARSINIC ACID 957.46 000075-60-5
48 ENDOSULFAN, BETA 956.36 033213-65-9
49 1,2-DIBROMOETHANE 951.10 000106-93-4
50 BENZO(E)PYRENE 950.99 000192-97-2
51 HEPTACHLOR EPOXIDE 944.48 001024-57-3
52 METHYLENE CHLORIDE 940.74 000075-09-2
53 ZINC 938.23 007440-66-6
54 BENZO(A)FLUORANTHENE 931.85 000203-33-8
55 CHROMIUM 929.70 007440-47-3
56 DI(2-ETHYLHEXYL)PHTHALATE 928.00 000117-81-7
57 ENDOSULFAN 919.90 000115-29-7
58 ENDRIN KETONE 919.23 053494-70-5
59 METHANE 914.58 000074-82-8
60 NAPHTHALENE 889.74 000091-20-3
61 1,2-DICHLOROETHANE 881.49 000107-06-2
62 2-HEXANONE 872.41 000591-78-6
63 1,1-DICHLOROETHENE 863.82 000075-35-4
64 1,1,1-TRICHLOROETHANE 863.61 000071-55-6
65 CHLOROBENZENE 860.84 000108-90-7
66 ETHYLBENZENE 858.75 000100-41-4
67 ALPHA RADIATION 839.72 012587-46-1
68 XYLENES, TOTAL 838.11 001330-20-7
69 TRINITROTOLUENE 833.54 000118-96-7
70 BENZIDINE 828.93 000092-87-5
71 RADIUM 826.54 007440-14-4
72 1,3,5-TRINITROBENZENE 826.13 000099-35-4
73 URANIUM 824.43 007440-61-1
74 COPPER 821.06 007440-50-8
75 FLUORANTHENE 819.36 000206-44-0
76 2,4-DINITROTOLUENE 819.08 000121-14-2
77 HEXACHLOROCYCLOHEXANE, ALPHA- 818.82 000319-84-6
78 THORIUM 818.81 007440-29-1
79 4,4′-METHYLENEBIS(2-CHLOROANILINE) 816.27 000101-14-4
80 1,1-DICHLOROETHANE 816.01 000075-34-3
81 RADON 813.18 010043-92-2
82 BIS(2-CHLOROETHYL) ETHER 811.12 000111-44-4
83 N-NITROSODI-N-PROPYLAMINE 804.83 000621-64-7
84 BARIUM 804.04 007440-39-3
85 PHENOL 803.74 000108-95-2
86 ENDOSULFAN SULFATE 803.73 001031-07-8
87 PHOSPHORUS, WHITE 802.80 007723-14-0
88 SELENIUM 800.30 007782-49-2
89 OCTACHLORODIBENZOFURAN 793.60 039001-02-0
90 ASBESTOS 791.31 001332-21-4
91 AROCLOR 1016 789.19 012674-11-2
92 POLYBROMINATED BIPHENYLS 788.05 067774-32-7
93 OCTACHLORODIBENZO-P-DIOXIN 783.00 003268-87-9
94 2,4,6-TRICHLOROPHENOL 780.02 000088-06-2
95 CHRYSENE 779.63 000218-01-9
96 TRANS-1,2-DICHLOROETHENE 774.30 000156-60-5
97 BETA RADIATION 773.46 012587-47-2
98 AROCLOR 1232 770.42 011141-16-5
99 ACETONE 767.94 000067-64-1
100 DIAZINON 767.13 000333-41-5
101 ACROLEIN 767.12 000107-02-8
102 ENDRIN ALDEHYDE 763.84 007421-93-4
103 RADIUM-226 763.14 013982-63-3
104 ALPHA-CHLORDANE 761.02 005103-71-9
105 GAMMA-CHLORDANE 760.09 005566-34-7
106 HYDRAZINE 757.77 000302-01-2
107 HEXACHLOROCYCLOPENTADIENE 757.12 000077-47-4
108 TRITIUM 757.04 010028-17-8
109 ARSENIC TRIOXIDE 756.57 001327-53-3
109 PERYLENE 756.57 000198-55-0
111 1,2-DIBROMO-3-CHLOROPROPANE 755.40 000096-12-8
112 DISULFOTON 755.40 000298-04-4
112 RADIUM-228 755.40 015262-20-1
114 CHRYSOTILE ASBESTOS 754.93 012001-29-5
115 TRICHLOROPHENOL 754.02 025167-82-2
116 THORIUM-228 753.99 014274-82-9
117 GUTHION 753.75 000086-50-0
118 TRITHION 753.05 000786-19-6
119 RADIUM-224 752.58 013233-32-4
120 1,1,2,2-TETRACHLOROETHANE 740.25 000079-34-5
121 2,4-DINITROPHENOL 735.28 000051-28-5
122 HEXACHLOROBENZENE 722.98 000118-74-1
123 HEXACHLOROCYCLOHEXANE, TECHNICAL GRADE 721.08 000608-73-1
124 COBALT 720.35 007440-48-4
125 TETRACHLORODIBENZO-P-DIOXIN 719.31 041903-57-5
126 1,2-DICHLOROBENZENE 718.32 000095-50-1
127 ACENAPHTHENE 716.75 000083-32-9
128 2-METHYLNAPHTHALENE 715.77 000091-57-6
129 CARBON DISULFIDE 709.86 000075-15-0
130 2,4-DIMETHYLPHENOL 707.62 000105-67-9
131 TRICHLOROETHANE 694.57 025323-89-1
132 1,1,2-TRICHLOROETHANE 692.42 000079-00-5
133 BUTYL BENZYL PHTHALATE 685.75 000085-68-7
134 HEPTACHLORODIBENZO-P-DIOXIN 682.09 037871-00-4
135 1,2-DIPHENYLHYDRAZINE 679.49 000122-66-7
136 TIN 673.62 007440-31-5
137 2-BUTANONE 672.62 000078-93-3
138 1,4-DICHLOROBENZENE 670.71 000106-46-7
139 CHLOROETHANE 670.06 000075-00-3
140 ALUMINUM 666.79 007429-90-5
141 AMMONIA 662.83 007664-41-7
142 HEXACHLORODIBENZO-P-DIOXIN 662.70 034465-46-8
143 TETRACHLOROPHENOL 662.17 025167-83-3
144 4,6-DINITRO-O-CRESOL 660.13 000534-52-1
145 1,2,4-TRICHLOROBENZENE 656.19 000120-82-1
146 URANIUM-235 654.15 015117-96-1
147 ISODRIN 653.72 000465-73-6
148 HEXACHLORODIBENZOFURAN 648.48 055684-94-1
149 INDENO(1,2,3-CD)PYRENE 645.50 000193-39-5
150 HEXANE, N- 641.50 000110-54-3
151 HEPTACHLORODIBENZOFURAN 640.57 038998-75-3
152 URANIUM-234 636.43 013966-29-5
153 THORIUM-230 635.31 014269-63-7
154 SILVER 632.44 007440-22-4
155 HEXACHLOROETHANE 627.52 000067-72-1
156 KEPONE 625.89 000143-50-0
157 ARSENIC ACID 625.47 007778-39-4
158 LORSBAN 623.08 002921-88-2
159 ARSINE 622.23 007784-42-1
160 LEAD-210 620.26 014255-04-0
161 PHENANTHRENE 619.13 000085-01-8
162 CHLORDENE 619.00 003734-48-3
163 METHYLMERCURY 617.73 022967-92-6
164 CESIUM-137 617.17 010045-97-3
165 AROCLOR 1221 616.90 011104-28-2
166 OXYCHLORDANE 616.47 027304-13-8
167 BENZOFLUORANTHENE 615.76 056832-73-6
167 SODIUM ARSENITE 615.76 007784-46-5
169 PLUTONIUM-238 614.64 013981-16-3
169 POLONIUM-210 614.64 013981-52-7
171 PENTACHLORODIBENZOFURAN 614.22 030402-15-4
172 HYDROGEN SULFIDE 612.08 007783-06-4
173 COBALT-60 611.97 010198-40-0
173 SODIUM-22 611.97 013966-32-0
175 DICHLOROBENZENE 610.96 025321-22-6
176 PYRENE 610.78 000129-00-0
177 VANADIUM 609.65 007440-62-2
178 SULFUR-35 608.17 015117-53-0
179 STRONTIUM-90 606.91 010098-97-2
180 PLUTONIUM 604.38 007440-07-5
180 PLUTONIUM-239 604.38 015117-48-3
182 CHLORODIBROMOMETHANE 604.15 000124-48-1
183 BROMODICHLOROETHANE 603.33 000683-53-4
184 URANIUM-233 602.11 013968-55-3
185 NITRATE 601.75 014797-55-8
186 N-NITROSODIPHENYLAMINE 601.30 000086-30-6
187 1,3-DICHLOROBENZENE 600.82 000541-73-1
188 RDX (CYCLOTRIMETHYLENETRINITRAMINE) 598.65 000121-82-4
189 1,2-DICHLOROETHYLENE 584.84 000540-59-0
190 CHLOROMETHANE 583.64 000074-87-3
191 ETHYL ETHER 582.95 000060-29-7
192 CHLORINE 578.39 007782-50-5
193 2,4,5-TRICHLOROPHENOL 577.22 000095-95-4
194 BROMOFORM 576.78 000075-25-2
195 N-NITROSODIMETHYLAMINE 575.12 000062-75-9
196 2,6-DINITROTOLUENE 573.40 000606-20-2
197 O-XYLENE 573.37 000095-47-6
198 FLUORINE 572.07 007782-41-4
199 MOLYBDENUM 571.68 007439-98-7
200 CHROMIC ACID 567.86 007738-94-5
201 DICHLOROETHANE 567.32 001300-21-6
202 TETRACHLORODIBENZOFURAN, N.O.S. 566.90 030402-14-3
203 PARATHION 562.90 000056-38-2
204 SODIUM DICHROMATE 559.41 010588-01-9
205 DINITROTOLUENE 559.38 025321-14-6
206 SODIUM CYANIDE 558.47 000143-33-9
207 ETHION 557.99 000563-12-2
208 4-NITROPHENOL 557.98 000100-02-7
209 METHYL ISOBUTYL KETONE 557.81 000108-10-1
210 PICRIC ACID 556.34 000088-89-1
211 TRICHLOROFLUOROETHANE 555.90 027154-33-2
212 TRANS-NONACHLOR 555.86 039765-80-5
212 PENTACHLOROETHANE 555.86 000076-01-7
214 DIMETHOATE 554.69 000060-51-5
215 CARBOFURAN 553.75 001563-66-2
215 CUPRIC SULFATE 553.75 007758-98-7
217 CAPTAN 553.53 000133-06-2
217 DICHLORVOS 553.53 000062-73-7
217 PENTAERYTHRITOL TETRANITRATE 553.53 000078-11-5
220 PHOSGENE 553.29 000075-44-5
221 KELTHANE 553.05 000115-32-2
221 NALED 553.05 000300-76-5
221 PHORATE 553.05 000298-02-2
224 PALLADIUM 552.35 007440-05-3
224 TETRAETHYL LEAD 552.35 000078-00-2
226 TETRACHLORODIBENZOFURAN, 2,3,7,8- 543.18 051207-31-9
227 PENTACHLORODIBENZO-P-DIOXIN 541.88 036088-22-9
228 FORMALDEHYDE 540.71 000050-00-0
229 CIS-1,3-DICHLOROPROPENE 540.34 010061-01-5
230 ANTHRACENE 539.45 000120-12-7
231 METHYL-T-BUTYL ETHER 539.15 001634-04-4
232 ANTIMONY 535.69 007440-36-0
233 CRESOL, PARA- 535.28 000106-44-5
234 STYRENE 525.25 000100-42-5
235 TRICHLOROFLUOROMETHANE 522.89 000075-69-4
236 DI-N-OCTYL PHTHALATE 520.91 000117-84-0
237 1,2-DICHLOROPROPANE 518.91 000078-87-5
238 2,4-D ACID 515.13 000094-75-7
239 FLUORENE 511.91 000086-73-7
240 TRICHLOROBENZENE 510.59 012002-48-1
241 DIETHYL PHTHALATE 509.37 000084-66-2
242 FLUORIDE ION 508.05 016984-48-8
243 2,4-DICHLOROPHENOL 506.92 000120-83-2
244 TRINITROPHENYLMETHYLNITRAMINE 504.35 000479-45-8
245 2-CHLOROPHENOL 493.28 000095-57-8
246 BENZOIC ACID 489.60 000065-85-0
247 M-XYLENE 468.96 000108-38-3
248 TETRAHYDROFURAN 468.58 000109-99-9
249 P-XYLENE 468.54 000106-42-3
250 ISOPROPANOL 462.38 000067-63-0
251 CARBAZOLE 460.75 000086-74-8
252 BENZO(K)FLUORANTHENE 457.77 000207-08-9
253 CIS-1,2-DICHLOROETHENE 454.83 000156-59-2
254 DICHLOROETHYLENE 454.38 025323-30-2
255 PENTACHLOROBENZENE 453.59 000608-93-5
256 BORON 453.51 007440-42-8
257 1-METHYLNAPHTHALENE 449.75 000090-12-0
258 2,3,4,6-TETRACHLOROPHENOL 446.83 000058-90-2
259 1,3-BUTADIENE 441.35 000106-99-0
260 2,3,4,5-TETRACHLOROPHENOL 436.01 004901-51-3
261 DIBENZOFURAN 435.85 000132-64-9
262 ISOPROPYL ETHER 434.56 000108-20-3
263 CRESOL, ORTHO- 434.11 000095-48-7
264 BROMODICHLOROMETHANE 432.71 000075-27-4
265 DIMETHYL FORMAMIDE 429.00 000068-12-2
266 CHLOROBENZILATE 427.15 000510-15-6
267 CHLORINATED PHENOL 425.89 001336-35-2
268 ARAMITE 423.36 000140-57-8
269 THALLIUM 421.12 007440-28-0
270 2,3-BENZOFURAN 421.06 000271-89-6
271 THIRAM 420.82 000137-26-8
272 NITROBENZENE 416.84 000098-95-3
273 CALCIUM HYPOCHLORITE 416.47 007778-54-3
274 NONACHLOR, CIS- 415.20 005103-73-1
275 BENZO(GHI)PERYLENE 415.07 000191-24-2
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