Pipeline and Haz. Matls. Safety Admin., DOT

Section 172.101

TABLE 1 TO APPENDIX A - HAZARDOUS SUBSTANCES OTHER THAN RADIONUCLIDES - Continued
Reportable
quantity (RQ)
pounds
(kilograms)

Hazardous substance

Carbonyl sulfide .........................................................................................................................................................
Carbosulfan ...............................................................................................................................................................
Catechol ....................................................................................................................................................................
Chloral .......................................................................................................................................................................
Chloramben ...............................................................................................................................................................
Chlorambucil ..............................................................................................................................................................
Chlordane ..................................................................................................................................................................
Chlordane, alpha Section gamma isomers ........................................................................................................................
CHLORDANE (TECHNICAL MIXTURE AND METABOLITES) ................................................................................
Chlorinated camphene ..............................................................................................................................................
Chlorine .....................................................................................................................................................................
Chlornaphazine .........................................................................................................................................................
Chloroacetaldehyde ...................................................................................................................................................
Chloroacetic acid .......................................................................................................................................................
2-Chloroacetophenone ..............................................................................................................................................
p-Chloroaniline ..........................................................................................................................................................
Chlorobenzene ..........................................................................................................................................................
Chlorobenzilate ..........................................................................................................................................................
p-Chloro-m-cresol ......................................................................................................................................................
Chlorodibromomethane .............................................................................................................................................
1-Chloro-2,3-epoxypropane .......................................................................................................................................
Chloroethane .............................................................................................................................................................
2-Chloroethyl vinyl ether ...........................................................................................................................................
Chloroform .................................................................................................................................................................
Chloromethane ..........................................................................................................................................................
Chloromethyl methyl ether ........................................................................................................................................
beta-Chloronaphthalene ............................................................................................................................................
2-Chloronaphthalene .................................................................................................................................................
2-Chlorophenol ..........................................................................................................................................................
o-Chlorophenol ..........................................................................................................................................................
4-Chlorophenyl phenyl ether .....................................................................................................................................
1-(o-Chlorophenyl)thiourea ........................................................................................................................................
Chloroprene ...............................................................................................................................................................
3-Chloropropionitrile ..................................................................................................................................................
Chlorosulfonic acid ....................................................................................................................................................
4-Chloro-o-toluidine, hydrochloride ...........................................................................................................................
Chlorpyrifos ...............................................................................................................................................................
Chromic acetate ........................................................................................................................................................
Chromic acid .............................................................................................................................................................
Chromic acid H2CrO4, calcium salt ...........................................................................................................................
Chromic sulfate .........................................................................................................................................................
Chromium Section ...............................................................................................................................................................
Chromous chloride ....................................................................................................................................................
Chrysene ...................................................................................................................................................................
Cobaltous bromide ....................................................................................................................................................
Cobaltous formate .....................................................................................................................................................
Cobaltous sulfamate ..................................................................................................................................................
Coke Oven Emissions ...............................................................................................................................................
Copper Section ....................................................................................................................................................................
Copper chloride @ .....................................................................................................................................................
Copper cyanide Cu(CN) ............................................................................................................................................
Coumaphos ...............................................................................................................................................................
Creosote ....................................................................................................................................................................
Cresol (cresylic acid) .................................................................................................................................................
m-Cresol ....................................................................................................................................................................
o-Cresol .....................................................................................................................................................................
p-Cresol .....................................................................................................................................................................
Cresols (isomers and mixture) ..................................................................................................................................
Cresylic acid (isomers and mixture) ..........................................................................................................................
Crotonaldehyde .........................................................................................................................................................
Cumene .....................................................................................................................................................................
m-Cumenyl methylcarbamate ...................................................................................................................................
Cupric acetate ...........................................................................................................................................................
Cupric acetoarsenite .................................................................................................................................................
Cupric chloride ..........................................................................................................................................................
Cupric nitrate .............................................................................................................................................................
Cupric oxalate ...........................................................................................................................................................
Cupric sulfate ............................................................................................................................................................
Cupric sulfate, ammoniated ......................................................................................................................................
Cupric tartrate ............................................................................................................................................................

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PC31

100 (45.4)
1000 (454)
100 (45.4)
5000 (2270)
100 (45.4)
10 (4.54)
1 (0.454)
1 (0.454)
1 (0.454)
1 (0.454)
10 (4.54)
100 (45.4)
1000 (454)
100 (45.4)
100 (45.4)
1000 (454)
100 (45.4)
10 (4.54)
5000 (2270)
100 (45.4)
100 (45.4)
100 (45.4)
1000 (454)
10 (4.54)
100 (45.4)
10 (4.54)
5000 (2270)
5000 (2270)
100 (45.4)
100 (45.4)
5000 (2270)
100 (45.4)
100 (45.4)
1000 (454)
1000 (454)
100 (45.4)
1 (0.454)
1000 (454)
10 (4.54)
10 (4.54)
1000 (454)
5000 (2270)
1000 (454)
100 (45.4)
1000 (454)
1000 (454)
1000 (454)
1 (0.454)
5000 (2270)
10 (4.54)
10 (4.54)
10 (4.54)
1 (0.454)
100 (45.4)
100 (45.4)
100 (45.4)
100 (45.4)
100 (45.4)
100 (45.4)
100 (45.4)
5000 (2270)
10 (4.54)
100 (45.4)
1 (0.454)
10 (4.54)
100 (45.4)
100 (45.4)
10 (4.54)
100 (45.4)
100 (45.4)