 | Chemical Name | CAS Number | EPCRA TPQ Sec. 302 (in Pounds) | EPCRA Sec. 304 (in Pounds) | CERCLA RQ Sec. 103 (in Pounds) | TRI Sec. 313 | RCRA Code | RMP TQ Sec. 112r (in Pounds) | |
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 | 3-Chloro-1,1,1-trifluoropropane | 460-35-5 |  |  |  | [313] |  |  |  |
| 3-Chloro-2-methyl-1-propene | 563-47-3 |  |  |  | [313] |  |  |  |
 | 3-Chloropropionitrile | 542-76-7 | [1,000] | [1,000] | [1,000] | [313] | [P027] |  |  |
| 3-Iodo-2-propynyl butylcarbamate | 55406-53-6 |  |  |  | [313] |  |  |  |
 | 3-Methyl-1-butene | 563-45-1 |  |  |  |  |  | [10,000] |  |
| 3-Methylcholanthrene | 56-49-5 |  |  | [10] | [313+] | [U157] |  |  |
 | 3-(2-Chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylic acid cyano(3-phenoxyphenyl) methyl ester | 68085-85-8 |  |  |  | [X] |  |  |  |
| 3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropane carboxylic acid, (3-phenoxy-phenyl)methyl ester | 52645-53-1 |  |  |  | [X] |  |  |  |
 | 3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid, cyano(4-fluoro-3-phenoxyphenyl)methyl ester | 68359-37-5 |  |  |  | [X] |  |  |  |
| 3-(2,4-Dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one | 19666-30-9 |  |  |  | [X] |  |  |  |
 | 3-(3,5-Dichlorophenyl)-5-ethenyl-5-methyl-2,4-oxazolidinedione | 50471-44-8 |  |  |  | [X] |  |  |  |
| 3-((Ethylamino)methoxyphosphinothioyl)oxy)-2-butenoic acid, 1-methylethyl ester | 31218-83-4 |  |  |  | [X] |  |  |  |
 | 3,3'-Dichlorobenzidine | 91-94-1 |  |  | [1] | [313] | [U073] |  |  |
| 3,3'-Dichlorobenzidine dihydrochloride | 612-83-9 |  |  |  | [313] |  |  |  |
 | 3,3'-Dichlorobenzidine sulfate | 64969-34-2 |  |  |  | [313] |  |  |  |
| 3,3'-Dimethoxybenzidine | 119-90-4 |  |  | [100] | [313] | [U091] |  |  |
 | 3,3'-Dimethoxybenzidine-4,4'-diisocyanate | 91-93-0 |  |  |  | [313#] |  |  |  |
| 3,3'-Dimethoxybenzidine dihydrochloride | 20325-40-0 |  |  |  | [313] |  |  |  |
 | 3,3'-Dimethoxybenzidine hydrochloride | 111984-09-9 |  |  |  | [313] |  |  |  |
| 3,3'-Dimethyl-4,4'-diphenylene diisocyanate | 91-97-4 |  |  |  | [313#] |  |  |  |
 | 3,3'-Dimethylbenzidine | 119-93-7 |  |  | [10] | [313] | [U095] |  |  |
| 3,3'-Dimethylbenzidine dihydrochloride | 612-82-8 |  |  |  | [313] |  |  |  |
 | 3,3'-Dimethylbenzidine dihydrofluoride | 41766-75-0 |  |  |  | [313] |  |  |  |
| 3,3'-Dimethyldiphenylmethane-4,4'-diisocyanate | 139-25-3 |  |  |  | [313#] |  |  |  |
 | 3,3-Dichloro-1,1,1,2,2-pentafluoropropane | 422-56-0 |  |  |  | [313] |  |  |  |
| 3,4-Dinitrotoluene | 610-39-9 |  |  | [10] |  |  |  |  |
 | 3,4,5-Trichlorophenol | 609-19-8 |  |  | [10] |  |  |  |  |
| 3,5-Dibromo-4-hydroxybenzonitrile | 1689-84-5 |  |  |  | [X] |  |  |  |
 | 3,6-Dichloro-2-methoxybenzoic acid | 1918-00-9 |  |  | [1,000] | [X] |  |  |  |
| 3,6-Dichloro-2-methoxybenzoic acid, sodium salt | 1982-69-0 |  |  |  | [X] |  |  |  |
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