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TRI Explorer

Hazardous Air Pollutants
TRI Hazardous Air Pollutants
Row # Chemical Name CAS Number EPA's IRIS Substance File (Risk Information)
1 1,1,1-Trichloroethane 0000071556  
2 1,1,2,2-Tetrachloroethane 0000079345  
3 1,1,2-Trichloroethane 0000079005  
4 1,1-Dimethylhydrazine 0000057147  
5 1,2,4-Trichlorobenzene 0000120821  
6 1,2-Butylene oxide 0000106887  
7 1,2-Dibromo-3-chloropropane 0000096128  
8 1,2-Dibromoethane 0000106934  
9 1,2-Dichloroethane 0000107062  
10 1,2-Dichloropropane 0000078875  
11 1,2-Diphenylhydrazine 0000122667  
12 1,3-Butadiene 0000106990  
13 1,3-Dichloropropylene 0000542756  
14 1,3-Propane sultone 0001120714  
15 1,4-Dichlorobenzene 0000106467  
16 1,4-Dioxane 0000123911  
17 2,4,5-Trichlorophenol 0000095954  
18 2,4,6-Trichlorophenol 0000088062  
19 2,4-D 0000094757  
20 2,4-Diaminotoluene 0000095807  
21 2,4-Dinitrophenol 0000051285  
22 2,4-Dinitrotoluene 0000121142  
23 2-Acetylaminofluorene 0000053963  
24 2-Chloroacetophenone 0000532274  
25 2-Nitropropane 0000079469  
26 3,3'-Dichlorobenzidine 0000091941  
27 3,3'-Dimethoxybenzidine 0000119904  
28 3,3'-Dimethylbenzidine 0000119937  
29 4,4'-Methylenebis(2-chloroaniline) 0000101144  
30 4,4'-Methylenedianiline 0000101779  
31 4,6-Dinitro-o-cresol 0000534521  
32 4-Aminobiphenyl 0000092671  
33 4-Dimethylaminoazobenzene 0000060117  
34 4-Nitrobiphenyl 0000092933  
35 4-Nitrophenol 0000100027  
36 Acetaldehyde 0000075070  
37 Acetamide 0000060355  
38 Acetonitrile 0000075058  
39 Acetophenone 0000098862  
40 Acrolein 0000107028  
41 Acrylamide 0000079061  
42 Acrylic acid 0000079107  
43 Acrylonitrile 0000107131  
44 Allyl chloride 0000107051  
45 Aniline 0000062533  
46 Antimony 0007440360  
47 Antimony compounds N010  
48 Arsenic 0007440382  
49 Arsenic compounds N020  
50 Asbestos (friable) 0001332214  
51 Benzene 0000071432  
52 Benzidine 0000092875  
53 Benzo[g,h,i]perylene 0000191242  
54 Benzoic trichloride 0000098077  
55 Benzyl chloride 0000100447  
56 Beryllium 0007440417  
57 Beryllium compounds N050  
58 Biphenyl 0000092524  
59 Bis(2-chloroethyl) ether 0000111444  
60 Bis(chloromethyl) ether 0000542881  
61 Bromoform 0000075252  
62 Bromomethane 0000074839  
63 Cadmium 0007440439  
64 Cadmium compounds N078  
65 Calcium cyanamide 0000156627  
66 Captan 0000133062  
67 Carbaryl 0000063252  
68 Carbon disulfide 0000075150  
69 Carbon tetrachloride 0000056235  
70 Carbonyl sulfide 0000463581  
71 Catechol 0000120809  
72 Certain glycol ethers N230  
73 Chloramben 0000133904  
74 Chlordane 0000057749  
75 Chlorine 0007782505  
76 Chloroacetic acid 0000079118  
77 Chlorobenzene 0000108907  
78 Chlorobenzilate 0000510156  
79 Chloroethane 0000075003  
80 Chloroform 0000067663  
81 Chloromethane 0000074873  
82 Chloromethyl methyl ether 0000107302  
83 Chloroprene 0000126998  
84 Chromium 0007440473  
85 Chromium compounds (except for chromite ore mined in the Transvaal Region) N090  
86 Cobalt 0007440484  
87 Cobalt compounds N096  
88 Cresol (mixed isomers) 0001319773  
89 Cumene 0000098828  
90 Cyanide compounds N106  
91 Di(2-ethylhexyl) phthalate 0000117817  
92 Diazomethane 0000334883  
93 Dibenzofuran 0000132649  
94 Dibutyl phthalate 0000084742  
95 Dichloromethane 0000075092  
96 Dichlorvos 0000062737  
97 Diethanolamine 0000111422  
98 Diethyl sulfate 0000064675  
99 Diisocyanates N120  
100 Dimethyl phthalate 0000131113  
101 Dimethyl sulfate 0000077781  
102 Dimethylcarbamoyl chloride 0000079447  
103 Dioxin and dioxin-like compounds N150  
104 Epichlorohydrin 0000106898  
105 Ethyl acrylate 0000140885  
106 Ethylbenzene 0000100414  
107 Ethylene glycol 0000107211  
108 Ethylene oxide 0000075218  
109 Ethylene thiourea 0000096457  
110 Ethyleneimine 0000151564  
111 Ethylidene dichloride 0000075343  
112 Formaldehyde 0000050000  
113 Heptachlor 0000076448  
114 Hexachloro-1,3-butadiene 0000087683  
115 Hexachlorobenzene 0000118741  
116 Hexachlorocyclopentadiene 0000077474  
117 Hexachloroethane 0000067721  
118 Hexamethylphosphoramide 0000680319  
119 Hydrazine 0000302012  
120 Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0007647010  
121 Hydrogen fluoride 0007664393  
122 Hydrogen sulfide 0007783064  
123 Hydroquinone 0000123319  
124 Lead 0007439921  
125 Lead compounds N420  
126 Lindane 0000058899  
127 Maleic anhydride 0000108316  
128 Manganese 0007439965  
129 Manganese compounds N450  
130 Mercury 0007439976  
131 Mercury compounds N458  
132 Methanol 0000067561  
133 Methoxychlor 0000072435  
134 Methyl hydrazine 0000060344  
135 Methyl iodide 0000074884  
136 Methyl isobutyl ketone 0000108101  
137 Methyl isocyanate 0000624839  
138 Methyl methacrylate 0000080626  
139 Methyl tert-butyl ether 0001634044  
140 N,N-Dimethylaniline 0000121697  
141 N,N-Dimethylformamide 0000068122  
142 N-Nitroso-N-methylurea 0000684935  
143 N-Nitrosodimethylamine 0000062759  
144 N-Nitrosomorpholine 0000059892  
145 Naphthalene 0000091203  
146 Nickel 0007440020  
147 Nickel compounds N495  
148 Nitrobenzene 0000098953  
149 Parathion 0000056382  
150 Pentachlorophenol 0000087865  
151 Phenanthrene 0000085018  
152 Phenol 0000108952  
153 Phosgene 0000075445  
154 Phosphine 0007803512  
155 Phosphorus (yellow or white) 0012185103  
156 Phthalic anhydride 0000085449  
157 Polychlorinated biphenyls 0001336363  
158 Polycyclic aromatic compounds N590  
159 Propionaldehyde 0000123386  
160 Propoxur 0000114261  
161 Propylene oxide 0000075569  
162 Propyleneimine 0000075558  
163 Quinoline 0000091225  
164 Quinone 0000106514  
165 Quintozene 0000082688  
166 Selenium 0007782492  
167 Selenium compounds N725  
168 Styrene 0000100425  
169 Styrene oxide 0000096093  
170 Tetrachloroethylene 0000127184  
171 Titanium tetrachloride 0007550450  
172 Toluene 0000108883  
173 Toluene-2,4-diisocyanate 0000584849  
174 Toxaphene 0008001352  
175 Trichloroethylene 0000079016  
176 Triethylamine 0000121448  
177 Trifluralin 0001582098  
178 Urethane 0000051796  
179 Vinyl acetate 0000108054  
180 Vinyl bromide 0000593602  
181 Vinyl chloride 0000075014  
182 Vinylidene chloride 0000075354  
183 Xylene (mixed isomers) 0001330207  
184 alpha-Hexachlorocyclohexane 0000319846  
185 beta-Propiolactone 0000057578  
186 m-Cresol 0000108394  
187 m-Xylene 0000108383  
188 n-Hexane 0000110543  
189 o-Anisidine 0000090040  
190 o-Cresol 0000095487  
191 o-Nitrotoluene 0000088722  
192 o-Toluidine 0000095534  
193 o-Xylene 0000095476  
194 p-Cresol 0000106445  
195 p-Phenylenediamine 0000106503  
196 p-Xylene 0000106423  


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