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Rationale for the Development of a List of Regulated Substances Under CEPA Section 200 and their Threshold Quantities

Exhibit 3: Substances Listed in RMP that Match Criteria for Flammability and Toxicity

Exhibit 3 - Substances Listed in RMP That Match Criteria for Flammability and Toxicity
CAS NumberChemical NameEPA Threshold
Tonnes (lbs)
7784-42-1Arsine0.45 (1,000)
506-77-4Cyanogen chloride4.50 (10,000)
19287-45-7Diborane1.13 (2,500)
75-21-8Ethylene oxide4.50 (10,000)
50-00-0Formaldehyde, solution6.8 (15,000)
110-00-9Furan2.27 (5,000)
74-90-8Hydrocyanic acid (hydrogen cyanide)1.13 (2,500)
7783-07-5Hydrogen selenide0.22 (500)
7783-06-4Hydrogen sulphide0.45 (1,000)
74-87-3Methyl chloride4.50 (10,000)
74-93-1Methyl Mercaptan4.50 (10,000)
7803-51-2Phosphine2.27 (5,000)
75-55-8Propyleneimine4.50 (10,000)
75-56-9Propylene oxide4.50 (10,000)