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Hazardous Air Pollutants
TRI Hazardous Air Pollutants
Row # Chemical Name CAS Number EPA's IRIS Substance File (Risk Information)
1 1,1,1-TRICHLOROETHANE 000071556
2 1,1,2,2-TETRACHLOROETHANE 000079345
3 1,1,2-TRICHLOROETHANE 000079005
4 1,1-DIMETHYL HYDRAZINE 000057147  
5 1,2,4-TRICHLOROBENZENE 000120821
6 1,2-BUTYLENE OXIDE 000106887
7 1,2-DIBROMO-3-CHLOROPROPANE 000096128
8 1,2-DIBROMOETHANE 000106934
9 1,2-DICHLOROETHANE 000107062
10 1,2-DICHLOROPROPANE 000078875
11 1,2-DIPHENYLHYDRAZINE 000122667
12 1,3-BUTADIENE 000106990
13 1,3-DICHLOROPROPYLENE 000542756
14 1,4-DICHLOROBENZENE 000106467
15 1,4-DIOXANE 000123911
16 2,4,5-TRICHLOROPHENOL 000095954
17 2,4,6-TRICHLOROPHENOL 000088062
18 2,4-D 000094757
19 2,4-DIAMINOTOLUENE 000095807
20 2,4-DINITROPHENOL 000051285
21 2,4-DINITROTOLUENE 000121142
22 2-ACETYLAMINOFLUORENE 000053963  
23 2-CHLOROACETOPHENONE 000532274
24 2-NITROPROPANE 000079469
25 3,3'-DICHLOROBENZIDINE 000091941
26 3,3'-DIMETHOXYBENZIDINE 000119904  
27 3,3'-DIMETHYLBENZIDINE 000119937
28 4,4'-METHYLENEBIS(2-CHLOROANILINE) 000101144  
29 4,4'-METHYLENEDIANILINE 000101779  
30 4,6-DINITRO-O-CRESOL 000534521  
31 4-AMINOBIPHENYL 000092671  
32 4-DIMETHYLAMINOAZOBENZENE 000060117  
33 4-NITROBIPHENYL 000092933  
34 4-NITROPHENOL 000100027
35 ACETALDEHYDE 000075070
36 ACETAMIDE 000060355  
37 ACETONITRILE 000075058
38 ACETOPHENONE 000098862
39 ACROLEIN 000107028
40 ACRYLAMIDE 000079061
41 ACRYLIC ACID 000079107
42 ACRYLONITRILE 000107131
43 ALLYL CHLORIDE 000107051
44 ALPHA-HEXACHLOROCYCLOHEXANE 000319846
45 ANILINE 000062533
46 ANTIMONY 007440360  
47 ANTIMONY COMPOUNDS N010  
48 ARSENIC 007440382  
49 ARSENIC COMPOUNDS N020  
50 ASBESTOS (FRIABLE) 001332214
51 BENZENE 000071432
52 BENZIDINE 000092875
53 BENZO(G,H,I)PERYLENE 000191242  
54 BENZOIC TRICHLORIDE 000098077
55 BENZYL CHLORIDE 000100447
56 BERYLLIUM 007440417  
57 BERYLLIUM COMPOUNDS N050  
58 BETA-PROPIOLACTONE 000057578
59 BIPHENYL 000092524
60 BIS(2-CHLOROETHYL) ETHER 000111444
61 BIS(CHLOROMETHYL) ETHER 000542881
62 BROMOFORM 000075252
63 BROMOMETHANE 000074839
64 CADMIUM 007440439  
65 CADMIUM COMPOUNDS N078  
66 CALCIUM CYANAMIDE 000156627  
67 CAPTAN 000133062
68 CARBARYL 000063252
69 CARBON DISULFIDE 000075150
70 CARBON TETRACHLORIDE 000056235
71 CARBONYL SULFIDE 000463581
72 CATECHOL 000120809  
73 CERTAIN GLYCOL ETHERS N230  
74 CHLORAMBEN 000133904
75 CHLORDANE 000057749  
76 CHLORINE 007782505
77 CHLOROACETIC ACID 000079118  
78 CHLOROBENZENE 000108907
79 CHLOROBENZILATE 000510156
80 CHLOROETHANE 000075003
81 CHLOROFORM 000067663
82 CHLOROMETHANE 000074873
83 CHLOROMETHYL METHYL ETHER 000107302
84 CHLOROPRENE 000126998  
85 CHROMIUM 007440473  
86 CHROMIUM COMPOUNDS(EXCEPT CHROMITE ORE MINED IN THE TRANSVAAL REGION) N090  
87 COBALT 007440484  
88 COBALT COMPOUNDS N096  
89 CRESOL (MIXED ISOMERS) 001319773
90 CUMENE 000098828
91 CYANIDE COMPOUNDS N106  
92 DI(2-ETHYLHEXYL) PHTHALATE 000117817
93 DIAZOMETHANE 000334883
94 DIBENZOFURAN 000132649
95 DIBUTYL PHTHALATE 000084742
96 DICHLOROMETHANE 000075092
97 DICHLORVOS 000062737
98 DIETHANOLAMINE 000111422  
99 DIETHYL SULFATE 000064675
100 DIISOCYANATES N120  
101 DIMETHYL PHTHALATE 000131113
102 DIMETHYL SULFATE 000077781
103 DIMETHYLCARBAMYL CHLORIDE 000079447  
104 DIOXIN AND DIOXIN-LIKE COMPOUNDS N150  
105 EPICHLOROHYDRIN 000106898
106 ETHYL ACRYLATE 000140885  
107 ETHYLBENZENE 000100414
108 ETHYLENE GLYCOL 000107211
109 ETHYLENE OXIDE 000075218  
110 ETHYLENE THIOUREA 000096457
111 ETHYLENEIMINE 000151564
112 ETHYLIDENE DICHLORIDE 000075343
113 FORMALDEHYDE 000050000
114 HEPTACHLOR 000076448
115 HEXACHLORO-1,3-BUTADIENE 000087683
116 HEXACHLOROBENZENE 000118741
117 HEXACHLOROCYCLOPENTADIENE 000077474
118 HEXACHLOROETHANE 000067721
119 HEXAMETHYLPHOSPHORAMIDE 000680319  
120 HYDRAZINE 000302012
121 HYDROCHLORIC ACID (1995 AND AFTER "ACID AEROSOLS" ONLY) 007647010
122 HYDROGEN FLUORIDE 007664393  
123 HYDROGEN SULFIDE 007783064  
124 HYDROQUINONE 000123319
125 LEAD 007439921  
126 LEAD COMPOUNDS N420  
127 LINDANE 000058899  
128 M-CRESOL 000108394
129 M-XYLENE 000108383  
130 MALEIC ANHYDRIDE 000108316
131 MANGANESE 007439965  
132 MANGANESE COMPOUNDS N450  
133 MERCURY 007439976  
134 MERCURY COMPOUNDS N458  
135 METHANOL 000067561
136 METHOXYCHLOR 000072435
137 METHYL HYDRAZINE 000060344  
138 METHYL IODIDE 000074884
139 METHYL ISOBUTYL KETONE 000108101
140 METHYL ISOCYANATE 000624839
141 METHYL METHACRYLATE 000080626
142 METHYL TERT-BUTYL ETHER 001634044
143 N,N-DIMETHYLANILINE 000121697
144 N,N-DIMETHYLFORMAMIDE 000068122
145 N-HEXANE 000110543
146 N-NITROSO-N-METHYLUREA 000684935  
147 N-NITROSODIMETHYLAMINE 000062759
148 N-NITROSOMORPHOLINE 000059892  
149 NAPHTHALENE 000091203
150 NICKEL 007440020  
151 NICKEL COMPOUNDS N495  
152 NITROBENZENE 000098953
153 O-ANISIDINE 000090040
154 O-CRESOL 000095487
155 O-NITROTOLUENE 000088722  
156 O-TOLUIDINE 000095534  
157 O-XYLENE 000095476  
158 P-CRESOL 000106445
159 P-PHENYLENEDIAMINE 000106503  
160 P-XYLENE 000106423  
161 PARATHION 000056382
162 PENTACHLOROPHENOL 000087865
163 PHENANTHRENE 000085018  
164 PHENOL 000108952
165 PHOSGENE 000075445
166 PHOSPHINE 007803512
167 PHOSPHORUS (YELLOW OR WHITE) 007723140
168 PHTHALIC ANHYDRIDE 000085449
169 POLYCHLORINATED BIPHENYLS 001336363
170 POLYCYCLIC AROMATIC COMPOUNDS N590  
171 PROPANE SULTONE 001120714  
172 PROPIONALDEHYDE 000123386  
173 PROPOXUR 000114261
174 PROPYLENE OXIDE 000075569
175 PROPYLENEIMINE 000075558
176 QUINOLINE 000091225
177 QUINONE 000106514
178 QUINTOZENE 000082688
179 SELENIUM 007782492  
180 SELENIUM COMPOUNDS N725  
181 STYRENE 000100425
182 STYRENE OXIDE 000096093  
183 TETRACHLOROETHYLENE 000127184
184 TITANIUM TETRACHLORIDE 007550450  
185 TOLUENE 000108883
186 TOLUENE-2,4-DIISOCYANATE 000584849  
187 TOXAPHENE 008001352
188 TRICHLOROETHYLENE 000079016
189 TRIETHYLAMINE 000121448
190 TRIFLURALIN 001582098
191 URETHANE 000051796
192 VINYL ACETATE 000108054
193 VINYL BROMIDE 000593602
194 VINYL CHLORIDE 000075014
195 VINYLIDENE CHLORIDE 000075354
196 XYLENE (MIXED ISOMERS) 001330207


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