§5189. Process Safety Management of Acutely Hazardous Materials, Appendix A - List of Acutely Hazardous Chemicals, Toxics and Reactives (Mandatory)

This Appendix contains a listing of substances which present a potential for a catastrophic event at or above the threshold quantity (TQ).

CHEMICAL name	CAS *	TQ **
Acetaldehyde....................................................................................	75-07-0	2500
Acrolein (2-Propenal)........................................................................	107-02-8	150
Acrylyl Chloride.................................................................................	814-68-6	250
Allyl Chloride.....................................................................................	107-05-1	1000
Allylamine.........................................................................................	107-11-9	1000
Alkylaluminums.................................................................................	Varies	5000
Ammonia, Anhydrous.......................................................................	7664-41-7	10000
Ammonia solutions (> 44% ammonia by weight................................	7664-41-7	15000
Ammonium Perchlorate....................................................................	7790-98-9	7500
Ammonium Permanganate................................................................	7787-36-2	7500
Arsine (also called Arsenic Hydride)....................................................	7784-42-1	100
Bis(Chloromethyl) Ether....................................................................	542-88-1	100
Boron Trichloride..............................................................................	10294-34-5	2500
Boron Trifluoride...............................................................................	7637-07-2	250
Bromine...........................................................................................	7726-95-6	1500
Bromine Chloride..............................................................................	13863-41-7	1500
Bromine Pentafluoride.......................................................................	7789-30-2	2500
Bromine Trifluoride............................................................................	7787-71-5	15000
3-Bromopropyne (also called Propargyl Bromide)..............................	106-96-7	100
Butyl Hydroperoxide (Tertiary)..........................................................	75-91-2	5000
Butyl Perbenzoate (Tertiary).............................................................	614-45-9	7500
Carbonyl Chloride (see Phosgene).....................................................	75-44-5	100
Carbonyl Fluoride Cellulose Nitrate (concentration > 12.6% nitrogen).	9004-70-0	2500
Chlorine...........................................................................................	7782-50-5	1500
Chlorine Dioxide................................................................................	10049-04-4	1000
Chlorine Pentrafluoride......................................................................	13637-63-3	1000
Chlorine Trifluoride............................................................................	7790-91-2	1000
Chlorodiethylaluminum (also called Diethylaluminum Chloride)............	96-10-6	5000
1-Chloro-2,4-Dinitrobenzene............................................................	97-00-7	5000
Chloromethyl Methyl Ether................................................................	107-30-2	500
Chloropicrin......................................................................................	76-06-2	500
Chloropicrin and Methyl Bromide mixture...........................................	None	1500
Chloropicrin and Methyl Chloride mixture...........................................	None	1500
Cumene Hydroperoxide....................................................................	80-15-9	5000
Cyanogen........................................................................................	460-19-5	2500
Cyanogen Chloride...........................................................................	506-77-4	500
Cyanuric Fluoride..............................................................................	675-14-9	100
Diacetyl Peroxide (Concentration > 70%)..........................................	110-22-5	5000
Diazomethane..................................................................................	334-88-3	500
Dibenzoyl Peroxide...........................................................................	94-36-0	7500
Diborane..........................................................................................	19287-45-7	100
Dibutyl Peroxide (Tertiary)................................................................	110-05-4	5000
Dichloro Acetylene............................................................................	7572-29-4	250
Dichlorosilane...................................................................................	4109-96-0	2500
Diethylzinc........................................................................................	557-20-0	10000
Diisopropyl Peroxydicarbonate..........................................................	105-64-6	7500
Dilaluroyl Peroxide............................................................................	105-74-8	7500
Dimethyldichlorosilane.......................................................................	75-78-5	1000
Dimethylhydrazine, 1,1-....................................................................	57-14-7	1000
Dimethylamine, Anhydrous................................................................	124-40-3	2500
2,4-Dinitroaniline..............................................................................	97-02-9	5000
Ethyl Methyl Ketone Peroxide (also
Methyl Ethyl Ketone Peroxide;
concentration > 60%)......................................................................	1338-23-4	5000
Ethyl Nitrite......................................................................................	109-95-5	5000
Ethylamine.......................................................................................	75-04-7	7500
Ethylene Fluorohydrin.......................................................................	371-62-0	100
Ethylene Oxide.................................................................................	75-21-8	5000
Ethyleneimine...................................................................................	151-56-4	1000
Fluorine............................................................................................	7782-41-4	1000
Formaldehyde (Formalin)..................................................................	50-00-0	1000
Furan...............................................................................................	110-00-9	500
Hexafluoroacetone...........................................................................	684-16-2	5000
Hydrochloric Acid, Anhydrous............................................................	7647-01-0	500
Hydrofluoric Acid, Anhydrous.............................................................	7664-39-3	1000
Hydrogen Bromide............................................................................	10035-10-6	5000
Hydrogen Chloride............................................................................	7647-01-0	5000
Hydrogen Cyanide, Anhydrous..........................................................	74-90-8	1000
Hydrogen Fluoride............................................................................	7664-39-3	1000
Hydrogen Peroxide (52% by weight
or greater........................................................................................	7722-84-1	7500
Hydrogen Selenide............................................................................	7783-07-5	150
Hydrogen Sulfide..............................................................................	7783-06-4	1500
Hydroxylamine.................................................................................	7803-49-8	2500
Iron, Pentacarbonyl..........................................................................	13463-40-6	250
Isopropylamine.................................................................................	75-31-0	5000
Ketene.............................................................................................	463-51-4	100
Methacrylaldehyde............................................................................	78-85-3	1000
Methacryloyl Chloride........................................................................	920-46-7	150
Methacryloyloxyethyl Isocyanate......................................................	30674-80-7	100
Methyl Acrylonitrile............................................................................	126-98-7	250
Methylamine, Anhydrous...................................................................	74-89-5	1000
Methyl Bromide................................................................................	74-83-9	2500
Methyl Chloride.................................................................................	74-87-3	15000
Methyl Chloroformate.......................................................................	79-22-1	500
Methyl Ethyl Ketone Peroxide
(concentration > 60%).....................................................................	1338-23-4	5000
Methyl Fluoroacetate........................................................................	453-18-9	100
Methyl Fluorosulfate.........................................................................	421-20-5	100
Methyl Hydrazine..............................................................................	60-34-4	100
Methyl Iodide....................................................................................	74-88-4	7500
Methyl Isocyanate............................................................................	624-83-9	250
Methyl Mercaptan.............................................................................	74-93-1	5000
Methyl Vinyl Ketone..........................................................................	79-84-4	100
Methyltrichlorosilane.........................................................................	75-79-6	500
Nickel Carbonly (Nickel
Tetracarbonyl)..................................................................................	13463-39-3	150
Nitric Acid (94.5% by weight or
greater)...........................................................................................	7697-37-2	500
Nitric Oxide.......................................................................................	10102-43-9	250
Nitroaniline (para Nitroaniline.............................................................	100-01-6	5000
Nitromethane...................................................................................	75-52-5	2500
Nitrogen Dioxide...............................................................................	10102-44-0	250
Nitrogen Oxides (NO; NO 2; N204;
N203)..............................................................................................	10102-44-0	250
Nitrogen Tetroxide (also called Nitro
gen Peroxide)...................................................................................	10544-72-6	250
Nitrogen Trifluoride...........................................................................	7783-54-2	5000
Nitrogen Trioxide..............................................................................	10544-73-7	250
Oleum (65% to 80% by weight; also
called Fuming Sulfuric Acid)...............................................................	8014-95-7	1000
Osmium Tetroxide............................................................................	20616-12-0	100
Oxygen Difluoride (Fluorine Monox-
ide)..................................................................................................	7783-41-7	100
Ozone..............................................................................................	10028-15-6	100
Pentaborane.....................................................................................	19624-22-7	100
Peracetic Acid (concentration > 60%
Acetic Acid; also called
Peroxyacetic Acid)............................................................................	79-21-0	1000
Perchloric Acid (concentration > 60%
by weight)........................................................................................	7601-90-3	5000
Perchloromethyl Mercaptan...............................................................	594-42-3	150
Perchloryl Fluoride............................................................................	7616-94-6	5000
Peroxyacetic Acid (concentration >
60% Acetic Acid; also called
Peracetic Acid)..................................................................................	79-21-0	1000
Phosgene (also called Carbonyl
Chloride)..........................................................................................	75-44-5	100
Phosphine (Hydrogen Phosphide)......................................................	7803-51-2	100
Phosphorus Oxychloride (also called
Phosphoryl Chloride).........................................................................	10025-87-3	1000
Phosphorus Trichloride......................................................................	7719-12-2	1000
Phosphoryl Chloride (also called
Phosphorus Oxychloride)..................................................................	10025-87-3	1000
Propargyl Bromide............................................................................	106-96-7	100
Propyl Nitrate...................................................................................	627-3-4	2500
Sarin................................................................................................	107-44-8	100
Selenium Hexafluoride.......................................................................	7783-79-1	1000
Stibine (Antimony Hydride)...............................................................	7803-52-3	500
Sulfur Dioxide (liquid)........................................................................	7446-09-5	1000
Sulfur Pentafluoride...........................................................................	5714-22-7	250
Sulfur Tetrafluoride...........................................................................	7783-60-0	250
Sulfur Trioxide (also called Sulfuric
Anhydride).......................................................................................	7446-11-9	1000
Sulfuric Anhydride (also called Sulfur
Trioxide)..........................................................................................	7446-11-9	1000
Tellurium Hexafluoride.......................................................................	7783-80-4	250
Tetrafluoroethylene..........................................................................	116-14-3	5000
Tetrafluorohydrazine.........................................................................	10036-47-2	5000
Tetramethyl Lead.............................................................................	75-74-1	1000
Thionyl Chloride................................................................................	7719-09-7	250
Trichloro (chloromethyl) Silane..........................................................	1558-25-4	100
Trichloro (dichlorophenyl) Silane........................................................	27137-85-5	2500
Trichlorosilane..................................................................................	10025-78-2	5000
Trifluorochloroethylene.....................................................................	79-38-9	10000
Trimethyoxysilane............................................................................	2487-90-3	1500

*Chemical Abstract Service Number.

**Threshold Quantity in Pounds (Amount necessary to be covered by this standard).

Note: Authority cited: Section 142.3, Labor Code. Reference: Sections 142.3 and 7856, Labor Code.

8 CCR Appendix A, 8 CA ADC Appendix A