Section 172.101

49 CFR Ch. I (10-1-18 Edition)

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

Hazardous substance

2-Propanone ..............................................................................................................................................................
2-Propanone, 1-bromo- .............................................................................................................................................
Propargite ..................................................................................................................................................................
Propargyl alcohol .......................................................................................................................................................
2-Propenal .................................................................................................................................................................
2-Propenamide ..........................................................................................................................................................
1-Propene, 1,3-dichloro- ............................................................................................................................................
1-Propene, 1,1,2,3,3,3-hexachloro- ...........................................................................................................................
2-Propenenitrile .........................................................................................................................................................
2-Propenenitrile, 2-methyl- ........................................................................................................................................
2-Propenoic acid .......................................................................................................................................................
2-Propenoic acid, ethyl ester ....................................................................................................................................
2-Propenoic acid, 2-methyl-, ethyl ester ...................................................................................................................
2-Propenoic acid, 2-methyl-, methyl ester ................................................................................................................
2-Propen-1-ol .............................................................................................................................................................
Propham ....................................................................................................................................................................
beta-Propiolactone ....................................................................................................................................................
Propionaldehyde ........................................................................................................................................................
Propionic acid ............................................................................................................................................................
Propionic anhydride ...................................................................................................................................................
Propoxur (Baygon) ....................................................................................................................................................
n-Propylamine ...........................................................................................................................................................
Propylene dichloride ..................................................................................................................................................
Propylene oxide .........................................................................................................................................................
1,2-Propylenimine ......................................................................................................................................................
2-Propyn-1-ol .............................................................................................................................................................
Prosulfocarb ..............................................................................................................................................................
Pyrene .......................................................................................................................................................................
Pyrethrins ..................................................................................................................................................................
3,6-Pyridazinedione, 1,2-dihydro- .............................................................................................................................
4-Pyridinamine ...........................................................................................................................................................
Pyridine ......................................................................................................................................................................
Pyridine, 2-methyl- ....................................................................................................................................................
Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, Section salts ....................................................................................................
2,4-(1H,3H)-Pyrimidinedione, 5-[bis(2-chloroethyl)amino]- .......................................................................................
4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo- .................................................................................................
Pyrrolidine, 1-nitroso- ................................................................................................................................................
Pyrrolo[2,3-b] indol-5-ol,1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)- ...............
Quinoline ...................................................................................................................................................................
Quinone .....................................................................................................................................................................
Quintobenzene ..........................................................................................................................................................
RADIONUCLIDES .....................................................................................................................................................
Reserpine ..................................................................................................................................................................
Resorcinol ..................................................................................................................................................................
Safrole .......................................................................................................................................................................
Selenious acid ...........................................................................................................................................................
Selenious acid, dithallium (1 + ) salt .........................................................................................................................
Selenium Section .................................................................................................................................................................
Selenium dioxide .......................................................................................................................................................
Selenium oxide ..........................................................................................................................................................
Selenium sulfide SeS2 ..............................................................................................................................................
Selenourea ................................................................................................................................................................
L-Serine, diazoacetate (ester) ...................................................................................................................................
Silver Section .......................................................................................................................................................................
Silver cyanide Ag(CN) ...............................................................................................................................................
Silver nitrate ..............................................................................................................................................................
Silvex (2,4,5-TP) ........................................................................................................................................................
Sodium ......................................................................................................................................................................
Sodium arsenate .......................................................................................................................................................
Sodium arsenite ........................................................................................................................................................
Sodium azide .............................................................................................................................................................
Sodium bichromate ...................................................................................................................................................
Sodium bifluoride .......................................................................................................................................................
Sodium bisulfite .........................................................................................................................................................
Sodium chromate ......................................................................................................................................................
Sodium cyanide Na(CN) ...........................................................................................................................................
Sodium dodecylbenzenesulfonate ............................................................................................................................
Sodium fluoride .........................................................................................................................................................
Sodium hydrosulfide ..................................................................................................................................................
Sodium hydroxide ......................................................................................................................................................

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PC31

5000 (2270)
1000 (454)
10 (4.54)
1000 (454)
1 (0.454)
5000 (2270)
100 (45.4)
1000 (454)
100 (45.4)
1000 (454)
5000 (2270)
1000 (454)
1000 (454)
1000 (454)
100 (45.4)
1000 (454)
10 (4.54)
1000 (454)
5000 (2270)
5000 (2270)
100 (45.4)
5000 (2270)
1000 (454)
100 (45.4)
1 (0.454)
1000 (454)
5000 (2270)
5000 (2270)
1 (0.454)
5000 (2270)
1000 (454)
1000 (454)
5000 (2270)
100 (45.4)
10 (4.54)
10 (4.54)
1 (0.454)
100 (45.4)
5000 (2270)
10 (4.54)
100 (45.4)
See Table 2
5000 (2270)
5000 (2270)
100 (45.4)
10 (4.54)
1000 (454)
100 (45.4)
10 (4.54)
10 (4.54)
10 (4.54)
1000 (454)
1 (0.454)
1000 (454)
1 (0.454)
1 (0.454)
100 (45.4)
10 (4.54)
1 (0.454)
1 (0.454)
1000 (454)
10 (4.54)
100 (45.4)
5000 (2270)
10 (4.54)
10 (4.54)
1000 (454)
1000 (454)
5000 (2270)
1000 (454)