Rationale for list of regulated substances under Canadian Environmental Protection Act: exhibit 1


Exhibit 1: Toxic Substances Listed in the Risk Management Program with Threshold Quantities

Exhibit 1 - Toxic Substances Listed in the Risk Management Program with Threshold Quantities
CAS Number Chemical Name EPA Threshold
Tonnes (lbs)
7783-07-5 Hydrogen selenide 0.22 (500)
75-44-5 Phosgene 0.22 (500)
7784-42-1 Arsine 0.45 (1,000)
10049-04-4 Chlorine dioxide 0.45 (1,000)
542-88-1 Bis(chloromethyl ether) [dichlorodimethyl ether] 0.45 (1,000)
7782-41-4 Fluorine 0.45 (1,000)
7664-39-3 Hydrogen fluoride/Hydrofluoric acid (conc 50% or greater) 0.45 (1,000)
7783-06-4 Hydrogen sulphide 0.45 (1,000)
13463-39-3 Nickel carbonyl 0.45 (1,000)
7782-50-5 Chlorine 1.13 (2,500)
19287-45-7 Diborane 1.13 (2,500)
74-90-8 Hydrocyanic acid (hydrogen cyanide) 1.13 (2,500)
13463-40-6 Iron pentacarbonyl 1.13 (2,500)
7783-60-0 Sulphur tetrafluoride 1.13 (2,500)
7550-45-0 Titanium tetrachloride 1.14 (2,500)
7647-01-0 Hydrogen chloride 2. 27 (5,000)
7446-09-5 Sulphur dioxide 2.25 (5,000)
107-02-8 Acrolein 2.27 (5,000)
814-68-6 Acryloyl chloride [Acrylyl chloride] 2.27 (5,000)
10294-34-5 Boron trichloride 2.27 (5,000)
7637-07-2 Boron trifluoride 2.27 (5,000)
107-30-2 Chloromethyl methyl ether (methyl chloromethyl ether) 2.27 (5,000)
75-78-5 Dimethyldichlorosilane (dichlorodimethylsilane) 2.27 (5,000)
110-00-9 Furan 2.27 (5,000)
79-22-1 Methyl chloroformate 2.27 (5,000)
75-79-6 Methyltrichlorosilane 2.27 (5,000)
7803-51-2 Phosphine 2.27 (5,000)
10025-87-3 Phosphorus oxychloride 2.27 (5,000)
7726-95-6 Bromine 4.50 (10,000)
151-56-4 Ethyleneimine 4.50 (10,000)
75-21-8 Ethylene oxide 4.50 (10,000)
624-83-9 Methyl isocyanate 4.50 (10,000)
74-93-1 Methyl mercaptan 4.50 (10,000)
584-84-9 Toluene-2,4-diisocyanate 4.50 (10,000)
107-11-9 Allylamine 4.50 (10,000)
7664-41-7 Ammonia 4.50 (10,000)
506-77-4 Cyanogen chloride 4.50 (10,000)
126-98-7 Methylacrylonitrile 4.50 (10,000)
74-87-3 Methyl chloride 4.50 (10,000)
10102-43-9 Nitric oxide 4.50 (10,000)
8014-95-7 Oleum (Fuming sulfuric acid) 4.50 (10,000)
79-21-0 Peroxyacetic acid (Peracetic acid) 4.50 (10,000)
594-42-3 Perchloromethyl mercaptan 4.50 (10,000)
107-12-0 Propionitrile 4.50 (10,000)
75-55-8 Propyleneimine 4.50 (10,000)
75-56-9 Propylene oxide 4.50 (10,000)
7446-11-9 Sulphur trioxide 4.50 (10,000)
75-74-1 Tetramethyl lead 4.50 (10,000)
509-14-9 Tetranitromethane 4.50 (10,000)
91-08-7 Toluene-2,6-diisocyanate 4.50 (10,000)
26471-62-5 Toluene diisocyanate (Unspecified isomer) 4.50 (10,000)
75-77-4 Trimethylchlorosilane (chlorotrimethylsilane) 4.50 (10,000)
50-00-0 Formaldehyde, solution 6.80 (15,000)
60-34-4 Methyl hydrazine (monomethyl hydrazine) 6.80 (15,000)
57-14-7 1,1-Dimethylhydrazine 6.80 (15,000
107-18-6 Allyl alcohol 6.80 (15,000)
7784-34-1 Arsenic trichloride (Arsenous trichloride) 6.80 (15,000)
108-91-8 Cyclohexylamine 6.80 (15,000)
302-01-2 Hydrazine 6.80 (15,000)
7647-01-0 Hydrochloric acid (conc 37% or greater) 6.80 (15,000)
108-23-6 Isopropyl chloroformate 6.80 (15,000)
7697-37-2 Nitric acid (conc 80% or greater) 6.80 (15,000)
7719-12-2 Phosphorus trichloride 6.80 (15,000)
110-89-4 Piperidine 6.80 (15,000)
109-61-5 n-Propyl chloroformate (propyl chloroformate) 6.80 (15,000)
108-05-4 Vinyl acetate 6.80 (15,000)
107-13-1 Acrylonitrile 9.10 (20,000)
7664-41-7 Ammonia solution (conc 20% or greater) 9.10 (20,000)
75-15-0 Carbon disulfide 9.10 (20,000)
67-66-3 Chloroform (trichloromethane) 9.10 (20,000)
4170-30-3 Crotonaldehyde 9.10 (20,000)
123-73-9 Crotonaldehyde, (E)- 9.10 (20,000)
106-89-8 Epichlorohydrin 9.10 (20,000)
107-15-3 Ethylenediamine 9.10 (20,000)
78-82-0 Isobutyronitrile 9.10 (20,000)
556-64-9 Methyl thiocyanate 9.10 (20,000)
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