| List of Regulated Substances Under the DEQ Chemical Accident Prevention Program
The following tables list both the toxic substances and the flammable substances regulated under the Chemical Accident Prevention Program. This is a combined list which includes chemicals regulated under both federal and Louisiana state regulatory codes (40 CFR Part 68 and LAC 33:III.Chapter 59, respectively).
List of Regulated Toxic Substances and Threshold
Quantities for Accidental Release Prevention
[Alphabetical Order - 78 Substances] |
| Chemical Name |
CAS No. |
Threshold Quantity (lbs.) |
| Acrolein [2-Propenal] |
107-02-8 |
5,000 |
| Acrylonitrile [2-Propenenitrile] |
107-13-1 |
20,000 |
| Acrylyl chloride [2-Propenoyl chloride] |
814-68-6 |
5,000 |
| Allyl alcohol [2-Propen-1-ol] |
107-18-6 |
15,000 |
| Allylamine [2-Propen-1-amine] |
107-11-9 |
10,000 |
| Ammonia (anhydrous) |
7664-41-7 |
10,000 |
| Ammonia (conc 20% or greater) |
7664-41-7 |
20,000 |
| Arsenous trichloride |
7784-34-1 |
15,000 |
| Arsine |
7784-42-1 |
1,000 |
| Boron trichloride [Borane, trichloro-] |
10294-34-5 |
5,000 |
| Boron trifluoride [Borane, trifluoro-] |
7637-07-2 |
5,000 |
| Boron trifluoride compound with methyl ether (1:1) [Boron, trifluoro[oxybis[metane]]-, T-4- |
353-42-4 |
15,000 |
| Bromine |
7726-95-6 |
10,000 |
| Carbon disulfide |
75-15-0 |
20,000 |
| Chlorine |
7782-50-5 |
2,500 |
| Chlorine dioxide [Chlorine oxide (ClO2)] |
10049-04-4 |
1,000 |
| Chloroform [Methane, trichloro-] |
67-66-3 |
20,000 |
| Chloromethyl ether [Methane, oxybis[chloro-] |
542-88-1 |
1,000 |
| Chloromethyl methyl ether [Methane, chloromethoxy-] |
107-30-2 |
5,000 |
| Crotonaldehyde [2-Butenal] |
4170-30-3 |
20,000 |
| Crotonaldehyde, (E)- [2-Butenal, (E)-] |
123-73-9 |
20,000 |
| Cyanogen chloride |
506-77-4 |
10,000 |
| Cyclohexylamine [Cyclohexanamine] |
108-91-8 |
15,000 |
| Diborane |
19287-45-7 |
2,500 |
| Dimethyldichlorosilane [Silane, dichlorodimethyl-] |
75-78-5 |
5,000 |
| 1,1-Dimethylhydrazine [Hydrazine, 1,1-dimethyl-] |
57-14-7 |
15,000 |
| Epichlorohydrin [Oxirane, (chloromethyl)-] |
106-89-8 |
20,000 |
| Ethylenediamine [1,2-Ethanediamine] |
107-15-3 |
20,000 |
| Ethyleneimine [Aziridine] |
151-56-4 |
10,000 |
| Ethylene oxide [Oxirane] |
75-21-8 |
10,000 |
| Fluorine |
7782-41-4 |
1,000 |
| Formaldehyde (solution) |
50-00-0 |
15,000 |
| Furan |
110-00-9 |
5,000 |
| Hydrazine |
302-01-2 |
15,000 |
| Hydrochloric acid (conc 37% or greater) |
7647-01-0 |
15,000 |
| Hydrocyanic acid |
74-90-8 |
2,500 |
| Hydrogen chloride (anhydrous) [Hydrochloric acid] |
7647-01-0 |
5,000 |
| Hydrogen fluoride/Hydrofluoric acid (conc 50% or greater) [Hydrofluoric acid] |
7664-39-3 |
1,000 |
| Hydrogen selenide |
7783-07-5 |
500 |
| Hydrogen sulfide |
7783-06-4 |
10,000 |
| Iron, pentacarbonyl- [Iron carbonyl (Fe(CO) 5), (TB-5-11)-] |
13463-40-6 |
2,500 |
| Isobutyronitrile [Propanenitrile, 2-methyl-] |
78-82-0 |
20,000 |
| Isopropyl chloroformate [Carbonochloridic acid, 1-methylethyl ester] |
108-23-6 |
15,000 |
| Methacrylonitrile [2-Propenenitrile, 2-methyl-] |
126-98-7 |
10,000 |
| Methyl chloride [Methane, chloro-] |
74-87-3 |
10,000 |
| Methyl chloroformate [Carbonochloridic acid, methylester] |
79-22-1 |
5,000 |
| Methyl hydrazine [Hydrazine, methyl-] |
60-34-4 |
15,000 |
| Methyl isocyanate [Methane, isocyanato-] |
624-83-9 |
10,000 |
| Methyl mercaptan [Methanethiol] |
74-93-1 |
10,000 |
| Methyl thiocyanate [Thiocyanic acid, methyl ester] |
556-64-9 |
20,000 |
| Methyltrichlorosilane [Silane, trichloromethyl-] |
75-79-6 |
5,000 |
| Nickel carbonyl |
13463-39-3 |
1,000 |
| Nitric acid (conc 80% or greater) |
7697-37-2 |
15,000 |
| Nitric oxide [Nitrogen oxide (NO)] |
10102-43-9 |
10,000 |
| Nitrogen tetroxide 2 |
10544-72-6 |
250 |
| Oleum (Fuming Sulfuric acid) [Sulfuric acid, mixture with sulfur trioxide] 1 |
8014-95-7 |
10,000 |
| Peracetic acid [Ethaneperoxoic acid] |
79-21-0 |
10,000 |
| Perchloromethylmercaptan [Methanesulfenyl chloride, trichloro-] |
594-42-3 |
10,000 |
| Phosgene [Carbonic dichloride] |
75-44-5 |
500 |
| Phosphine |
7803-51-2 |
5,000 |
| Phosphorus oxychloride [Phosphoryl chloride] |
10025-87-3 |
5,000 |
| Phosphorus trichloride [Phosphorous trichloride] |
7719-12-2 |
15,000 |
| Piperidine |
110-89-4 |
15,000 |
| Propionitrile [Propanenitrile] |
107-12-0 |
10,000 |
| Propyl chloroformate [Carbonochloridic acid, propylester] |
109-61-5 |
15,000 |
| Propyleneimine [Aziridine, 2-methyl-] |
75-55-8 |
10,000 |
| Propylene oxide [Oxirane, methyl-] |
75-56-9 |
10,000 |
| Sulfur dioxide (anhydrous) |
7446-09-5 |
5,000 |
| Sulfur tetrafluoride [Sulfur fluoride (SF4), (T-4)-] |
7783-60-0 |
2,500 |
| Sulfur trioxide |
7446-11-9 |
10,000 |
| Tetramethyllead [Plumbane, tetramethyl-] |
75-74-1 |
10,000 |
| Tetranitromethane [Methane, tetranitro-] |
509-14-8 |
10,000 |
| Titanium tetrachloride [Titanium chloride (TiCl4) (T-4)-] |
7550-45-0 |
2,500 |
| Toluene 2,4-diisocyanate [Benzene, 2,4-diisocyanato-1-methyl-] 1 |
584-84-9 |
10,000 |
| Toluene 2,6-diisocyanate [Benzene, 1,3-diisocyanato-2-methyl-] 1 |
91-08-7 |
10,000 |
| Toluene diisocyanate (unspecified isomer) [Benzene, 1,3-diisocyanatomethyl-] 1 |
26471-62-5 |
10,000 |
| Trimethylchlorosilane [Silane, chlorotrimethyl-] |
75-77-4 |
10,000 |
| Vinyl acetate monomer [Acetic acid ethenyl ester] |
108-05-4 |
15,000 |
| 1 The mixture exemption in 68.115(b)(1) does not apply to the substance.
2 Only applies to Louisiana
|
List of Regulated Flammable Substances and
Threshold Quantities for Accidental Release Prevention
[Alphabetical Order - 63 Substances] |
| Chemical Name |
CAS No. |
Threshold Quantity (lbs) |
| Acetaldehyde |
75-07-0 |
10,000 |
| Acetylene [Ethyne] |
74-86-2 |
10,000 |
| Bromotrifluorethylene [Ethene, bromotrifluoro-] |
598-73-2 |
10,000 |
| 1,3-Butadiene |
106-99-0 |
10,000 |
| Butane |
106-97-8 |
10,000 |
| 1-Butene |
106-98-9 |
10,000 |
| 2-Butene |
107-01-7 |
10,000 |
| Butene |
25167-67-3 |
10,000 |
| 2-Butene-cis |
590-18-1 |
10,000 |
| 2-Butene-trans [2-Butene, (E)] |
624-64-6 |
10,000 |
| Carbon oxysulfide [Carbon oxide sulfide (COS)] |
463-58-1 |
10,000 |
| Chlorine monoxide [Chlorine oxide] |
7791-21-1 |
10,000 |
| 2-Chloropropylene [1-Propene, 2-chloro-] |
557-98-2 |
10,000 |
| 1-Chloropropylene [1-Propene, 1-chloro-] |
590-21-6 |
10,000 |
| Cyanogen [Ethanedinitrile] |
460-19-5 |
10,000 |
| Cyclopropane |
75-19-4 |
10,000 |
| Dichlorosilane [Silane, dichloro-] |
4109-96-0 |
10,000 |
| Difluoroethane [Ethane, 1,1-difluoro-] |
75-37-6 |
10,000 |
| Dimethylamine [Methanamine, N-methyl-] |
124-40-3 |
10,000 |
| 2,2-Dimethylpropane [Propane, 2,2-dimethyl-] |
463-82-1 |
10,000 |
| Ethane |
74-84-0 |
10,000 |
| Ethyl acetylene [1-Butyne] |
107-00-6 |
10,000 |
| Ethylamine [Ethanamine] |
75-04-7 |
10,000 |
| Ethyl chloride [Ethane, chloro-] |
75-00-3 |
10,000 |
| Ethylene [Ethene] |
74-85-1 |
10,000 |
| Ethyl ether [Ethane, 1,1'-oxybis-] |
60-29-7 |
10,000 |
| Ethyl mercaptan [Ethanethiol] |
75-08-1 |
10,000 |
| Ethyl nitrite [Nitrous acid, ethyl ester] |
109-95-5 |
10,000 |
| Hydrogen |
1333-74-0 |
10,000 |
| Isobutane [Propane, 2-methyl] |
75-28-5 |
10,000 |
| Isopentane [Butane, 2-methyl-] |
78-78-4 |
10,000 |
| Isoprene [1,3-Butadiene, 2-methyl-] |
78-79-5 |
10,000 |
| Isopropylamine [2-Propanamine] |
75-31-0 |
10,000 |
| Isopropyl chloride [Propane, 2-chloro-] |
75-29-6 |
10,000 |
| Methane |
74-82-8 |
10,000 |
| Methylamine [Methanamine] |
74-89-5 |
10,000 |
| 3-Methyl-1-butene |
563-45-1 |
10,000 |
| 2-Methyl-1-butene |
563-46-2 |
10,000 |
| Methyl ether [Methane, oxybis-] |
115-10-6 |
10,000 |
| Methyl formate [Formic acid, methyl ester] |
107-31-3 |
10,000 |
| 2-Methylpropene [1-Propene, 2-methyl-] |
115-11-7 |
10,000 |
| 1,3-Pentadiene |
504-60-9 |
10,000 |
| Pentane |
109-66-0 |
10,000 |
| 1-Pentene |
109-67-1 |
10,000 |
| 2-Pentene, (E)- |
646-04-8 |
10,000 |
| 2-Pentene, (Z)- |
627-20-3 |
10,000 |
| Propadiene [1,2-Propadiene] |
463-49-0 |
10,000 |
| Propane |
74-98-6 |
10,000 |
| Propylene [1-Propene] |
115-07-1 |
10,000 |
| Propyne [1-Propyne] |
74-99-7 |
10,000 |
| Silane |
7803-62-5 |
10,000 |
| Tetrafluoroethylene [Ethene, tetrafluoro-] |
116-14-3 |
10,000 |
| Tetramethylsilane [Silane, tetramethyl-] |
75-76-3 |
10,000 |
| Trichlorosilane [Silane, trichloro-] |
10025-78-2 |
10,000 |
| Trifluorochloroethylene [Ethene, chlorotrifluoro-] |
79-38-9 |
10,000 |
| Trimethylamine [Methanamine, N,N-dimethyl-] |
75-50-3 |
10,000 |
| Vinyl acetylene [1-Buten-3-yne] |
689-97-4 |
10,000 |
| Vinyl chloride [Ethene, chloro-] |
75-01-4 |
10,000 |
| Vinyl ethyl ether [Ethene, ethoxy-] |
109-92-2 |
10,000 |
| Vinyl fluoride [Ethene, fluoro-] |
75-02-5 |
10,000 |
| Vinylidene chloride [Ethene, 1,1-dichloro-] |
75-35-4 |
10,000 |
| Vinylidene fluoride [Ethene, 1,1-difluoro-] |
75-38-7 |
10,000 |
| Vinyl methyl ether [Ethene, methoxy-] |
107-25-5 |
10,000 |
|