Rationale for the Development of a List of Regulated Substances Under CEPA Section 200 and their Threshold Quantities
- Preface
- 1. Scope of the Regulations
- 2. CRAIM List of Hazardous Substances
- 3. Development of RMP and MIACC Lists
- 4. Threshold Methodologies
- 5. Threshold Calculation for Substances in CRAIM List Originating from MIACC Lists
- 6. Hydrochloric Acid
- 7. Hydrogen Fluoride
- 8. Explosive and Miscellaneous Substances Identified in the CRAIM List
- 9. Conclusion
- 10. References
- Lists of Figures and Tables
- Exhibit 1: Toxic Substances Listed in the Risk Management Program with Threshold Quantities
- Exhibit 2: Flammable Substances Listed in the Risk Management Program with Threshold Quantities
- Exhibit 3: Substances Listed in RMP that Match Criteria for Flammability and Toxicity
- Exhibit 4: Affected Distances for Commercial High Explosives Based on the Scaling Law, Assuming TNT Equivalency of One (Peak Overpressure = 0.4 – 3.0 psi)
- Exhibit 5: Threshold Calculation for Toxic Substances in CRAIM List Originating from MIACC Lists
- Appendix A: NFPA 704 Standard System for the Indentification of the Hazards of Materials for Emergency Response, 2001 Edition
- Appendix B: Technical Details for Determination of Threshold Planning Quantities Under EPA Risk Management Program
- Appendix C: Toxic Substances Ranking Factors Used to Assign Thresholds and Related Data (Listed in Order of Ranking Factor)
- Acronyms
- Acknowledgement
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) |
- Date Modified: