South Carolina Code of Regulations › Chapter 61 - DEPARTMENT OF HEALTH AND ENVIRONMENTAL CONTROL › Subchapter 61-62 - Air Pollution Control Regulations and Standards › Subchapter 61-62.68 - Chemical Accident Prevention Provisions › Subpart F - REGULATED SUBSTANCES FOR ACCIDENTAL RELEASE PREVENTION › Section 61-62.68.F.130 - List of substances

Current through Register Vol. 48, No. 6, June 28, 2024
(a)
				  Regulated toxic and flammable substances under Section 112(r) of the Clean Air
				  Act are the substances listed in Tables 1, 2, 3, and 4. Threshold quantities
				  for listed toxic and flammable substances are specified in the
				  tables.
(b) The basis for placing
				  toxic and flammable substances on the list of regulated substances are
				  explained in the notes to the list.
TABLE 1
- LIST OF REGULATED TOXIC
								  SUBSTANCES AND THRESHOLD QUANTITIES
FOR ACCIDENTAL RELEASE PREVENTION [Alphabetical
								  Order - 77 Substances]
Chemical Name
CAS Number
Threshold Quantity (lbs)
Basis for Listing
Acrolein [2-Propenal]
107-02-8
5,000
b
Acrylonitrile [2-Propenenitrile]
107-13-1
20,000
b
Acrylyl chloride [2-Propenoyl chloride]
814-68-6
5,000
b
Allyl alcohol [2-Propen-l-ol]
107-18-6
15,000
b
Allylamine [2-Propen-l-amine]
107-11-9
10,000
b
Ammonia (anhydrous)
7664-41-7
10,000
a, b
Ammonia (conc. 20% or greater)
7664-41-7
20,000
a, b
Arsenous trichloride
7784-34-1
15,000
b
Arsine
7784-42-1
1,000
b
Boron trichloride [Borane, trichloro-]
10294-34-5
5,000
b
Boron trifluoride [Borane, trifluoro-]
7637-07-2
5,000
b
Boron trifluoride compound with methyl ether
								  (1:1) [Boron, trifluoro[oxybis[methane]], (T-4)-]
353-42-4
15,000
b
Bromine
7726-95-6
10,000
a, b
Carbon disulfide
75-15-0
20,000
b
Chlorine
7782-50-5
2,500
a, b
Chlorine dioxide [Chlorine oxide
								  (ClO2)]
10049-04-4
1,000
c
Chloroform [Methane, trichloro-]
67-66-3
20,000
b
Chloromethyl ether [Methane,
								  oxybis[chloro-]
542-88-1
1,000
b
Chloromethyl methyl ether [Methane,
								  chloromethoxy-]
107-30-2
5,000
b
Crotonaldehyde [2-Butenal]
4170-30-3
20,000
b
Crotonaldehyde, (E)- [2-Butenal, (E)-]
123-73-9
20,000
b
Cyanogen chloride
506-77-4
10,000
c
Cyclohexylamine [Cyclohexanamine]
108-91-8
15,000
b
Diborane
19287-45-7
2,500
b
Dimethyldichlorosilane [Silane,
								  dichlorodimethyl-]
75-78-5
5,000
b
1,1-Dimethylhydrazine [Hydrazine,
								  1,1-dimethyl-]
57-14-7
15,000
b
Epichlorohydrin [Oxirane, (chloromethyl)-]
106-89-8
20,000
b
Ethylenediamine [1,2-Ethanediamine]
107-15-3
20,000
b
Ethyleneimine [Aziridine]
151-56-4
10,000
b
Ethylene oxide [Oxirane]
75-21-8
10,000
a, b
Fluorine
7782-41-4
1,000
b
Formaldehyde (solution)
50-00-0
15,000
b
Furan
110-00-9
5,000
b
Hydrazine
302-01-2
15,000
b
Hydrochloric acid (conc. 37% or greater)
7647-01-0
15,000
d
Hydrocyanic acid
74-90-8
2,500
a, b
Hydrogen chloride (anhydrous) [Hydrochloric
								  acid]
7647-01-0
5,000
a
Hydrogen fluoride/ Hydrofluoric acid (conc. 50%
								  or greater) [Hydrofluoric acid]
7664-39-3
1,000
a, b
Hydrogen selenide
7783-07-5
500
b
Hydrogen sulfide
7783-06-4
10,000
a, b
Iron, pentacarbonyl- [Iron carbonyl
								  (Fe(CO)5), (TB-5-11)-]
13463-40-6
2,500
b
Isobutyronitrile [Propanenitrile,
								  2-methyl-]
78-82-0
20,000
b
Isopropyl chloroformate [Carbonochloridic acid,
								  1-methylethyl ester]
108-23-6
15,000
b
Methacrylonitrile [2-Propenenitrile,
								  2-methyl-]
126-98-7
10,000
b
Methyl chloride [Methane, chloro-]
74-87-3
10,000
a
Methyl chloroformate [Carbonochloridic acid,
								  methyl ester]
79-22-1
5,000
b
Methyl hydrazine [Hydrazine, methyl-]
60-34-4
15,000
b
Methyl isocyanate [Methane, isocyanato-]
624-83-9
10,000
a, b
Methyl mercaptan [Methanethiol]
74-93-1
10,000
b
Methyl thiocyanate [Thiocyanic acid, methyl
								  ester]
556-64-9
20,000
b
Methyltrichlorosilane [Silane,
								  trichloromethyl-]
75-79-6
5,000
b
Nickel carbonyl
13463-39-3
1,000
b
Nitric acid (conc. 80% or greater)
7697-37-2
15,000
b
Nitric oxide [Nitrogen oxide (NO)]
10102-43-9
10,000
b
Oleum (Fuming Sulfuric acid) [Sulfuric acid,
								  mixture with sulfur trioxide] 1
8014-95-7
10,000
e
Peracetic acid [Ethaneperoxoic acid]
79-21-0
10,000
b
Perchloromethylmercaptan [Methanesulfenyl
								  chloride, trichloro-]
594-42-3
10,000
b
Phosgene [Carbonic dichloride]
75-44-5
500
a, b
Phosphine
7803-51-2
5,000
b
Phosphorus oxychloride [Phosphoryl
								  chloride]
10025-87-3
5,000
b
Phosphorus trichloride [Phosphorous
								  trichloride]
7719-12-2
15,000
b
Piperidine
110-89-4
15,000
b
Propionitrile [Propanenitrile]
107-12-0
10,000
b
Propyl chloroformate [Carbonochloridic acid,
								  propyl ester]
109-61-5
15,000
b
Propyleneimine [Aziridine, 2-methyl-]
75-55-8
10,000
b
Propylene oxide [Oxirane, methyl-]
75-56-9
10,000
b
Sulfur dioxide (anhydrous)
7446-09-5
5,000
a, b
Sulfur tetrafluoride [Sulfur fluoride
								  (SF4), (T-4)-]
7783-60-0
2,500
b
Sulfur trioxide
7446-11-9
10,000
a, b
Tetramethyllead [Plumbane, tetramethyl-]
75-74-1
10,000
b
Tetranitromethane [Methane, tetranitro-]
509-14-8
10,000
b
Titanium tetrachloride [Titanium chloride
								  (TiCl4), (T-4)-]
7550-45-0
2,500
b
Toluene 2,4-diisocyanate
[Benzene, 2,4-diisocyanato-1-methyl-]
								  1
584-84-9
10,000
a
Toluene 2,6-diisocyanate
[Benzene, 1,3-diisocyanato-2-methyl-]
								  1
91-08-7
10,000
a
Toluene diisocyanate (unspecified isomer)
								  [Benzene, 1,3-diisocyanatomethyl-] 1
26471-62-5
10,000
a
Trimethylchlorosilane [Silane,
								  chlorotrimethyl-]
75-77-4
10,000
b
Vinyl acetate monomer [Acetic acid ethenyl
								  ester]
108-05-4
15,000
b
1 The mixture exemption in
					 Section 68.115(b)(1) does not apply to the substance
NOTE: Basis for Listing:
a Mandated for listing by Congress
b On EHS list, vapor pressure 10 mmHg or greater
c Toxic gas
d Toxicity of hydrogen chloride, potential to release
					 hydrogen chloride, and history of accidents
e Toxicity of sulfur trioxide and sulfuric acid, potential
					 to release sulfur trioxide, and history of accidents
TABLE 2
- LIST OF REGULATED TOXIC
								  SUBSTANCES AND THRESHOLD QUANTITIES
FOR ACCIDENTAL RELEASE PREVENTION [CAS Number
								  Order - 77 Substances]
CAS Number
Chemical Name
Threshold Quantity (lbs)
Basis for Listing
50-00-0
Formaldehyde (solution)
15,000
b
57-14-7
1,1-Dimethylhydrazine [Hydrazine,
								  1,1-dimethyl-]
15,000
b
60-34-4
Methyl hydrazine [Hydrazine, methyl-]
15,000
b
67-66-3
Chloroform [Methane, trichloro-]
20,000
b
74-87-3
Methyl chloride [Methane, chloro-]
10,000
a
74-90-8
Hydrocyanic acid
2,500
a, b
74-93-1
Methyl mercaptan [Methanethiol]
10,000
b
75-15-0
Carbon disulfide
20,000
b
75-21-8
Ethylene oxide [Oxirane]
10,000
a, b
75-44-5
Phosgene [Carbonic dichloride]
500
a, b
75-55-8
Propyleneimine [Aziridine, 2-methyl-]
10,000
b
75-56-9
Propylene oxide [Oxirane, methyl-]
10,000
b
75-74-1
Tetramethyllead [Plumbane, tetramethyl-]
10,000
b
75-77-4
Trimethylchlorosilane [Silane,
								  chlorotrimethyl-]
10,000
b
75-78-5
Dimethyldichlorosilane [Silane,
								  dichlorodimethyl-]
5,000
b
75-79-6
Methyltrichlorosilane [Silane,
								  trichloromethyl-]
5,000
b
78-82-0
Isobutyronitrile [Propanenitrile,
								  2-methyl-]
20,000
b
79-21-0
Peracetic acid [Ethaneperoxoic acid]
10,000
b
79-22-1
Methyl chloroformate [Carbonochloridic acid,
								  methyl ester]
5,000
b
91-08-7
Toluene 2,6-diisocyanate [Benzene,
								  1,3-diisocyanato-2-methyl-]1
10,000
a
106-89-8
Epichlorohydrin [Oxirane, (chloromethyl)-]
20,000
b
107-02-8
Acrolein [2-Propenal]
5,000
b
107-11-9
Allylamine [2-Propen-1-amine]
10,000
b
107-12-0
Propionitrile [Propanenitrile]
10,000
b
107-13-1
Acrylonitrile [2-Propenenitrile]
20,000
b
107-15-3
Ethylenediamine [1,2-Ethanediamine]
20,000
b
107-18-6
Allyl alcohol [2-Propen-1-ol]
15,000
b
107-30-2
Chloromethyl methyl ether [Methane,
								  chloromethoxy-]
5,000
b
108-05-4
Vinyl acetate monomer [Acetic acid ethenyl
								  ester]
15,000
b
108-23-6
Isopropyl chloroformate [Carbonochloridic acid,
								  1-methylethyl ester]
15,000
b
108-91-8
Cyclohexylamine [Cyclohexanamine]
15,000
b
109-61-5
Propyl chloroformate [Carbonochloridic acid,
								  propyl ester]
15,000
b
110-00-9
Furan
5,000
b
110-89-4
Piperidine
15,000
b
123-73-9
Crotonaldehyde, (E)- [2-Butenal, (E)-]
20,000
b
126-98-7
Methacrylonitrile [2-Propenenitrile,
								  2-methyl-]
10,000
b
151-56-4
Ethyleneimine [Aziridine]
10,000
b
302-01-2
Hydrazine
15,000
b
353-42-4
Boron trifluoride compound with methyl ether
								  (1:1) [Boron, trifluoro[oxybis[methane]], (T-4)-]
15,000
b
506-77-4
Cyanogen chloride
10,000
c
509-14-8
Tetranitromethane [Methane, tetranitro-]
10,000
b
542-88-1
Chloromethyl ether [Methane,
								  oxybis[chloro-]
1,000
b
556-64-9
Methyl thiocyanate [Thiocyanic acid, methyl
								  ester]
20,000
b
584-84-9
Toluene 2,4-diisocyanate [Benzene,
								  2,4-diisocyanato-1-methyl-]1
10,000
a
594-42-3
Perchloromethylmercaptan [Methanesulfenyl
								  chloride, trichloro-]
10,000
b
624-83-9
Methyl isocyanate [Methane, isocyanato-]
10,000
a, b
814-68-6
Acrylyl chloride [2-Propenoyl chloride]
5,000
b
4170-30-3
Crotonaldehyde [2-Butenal]
20,000
b
7446-09-5
Sulfur dioxide (anhydrous)
5,000
a, b
7446-11-9
Sulfur trioxide
10,000
a, b
7550-45-0
Titanium tetrachloride [Titanium chloride
								  (TiCl4), (T-4)-]
2,500
b
7637-07-2
Boron trifluoride [Borane, trifluoro-]
5,000
b
7647-01-0
Hydrochloric acid (conc. 37% or greater)
15,000
d
7647-01-0
Hydrogen chloride (anhydrous) [Hydrochloric
								  acid]
5,000
a
7664-39-3
Hydrogen fluoride/Hydrofluoric acid (conc. 50% or
								  greater) [Hydrofluoric acid]
1,000
a, b
7664-41-7
Ammonia (anhydrous)
10,000
a, b
7664-41-7
Ammonia (conc. 20% or greater)
20,000
a, b
7697-37-2
Nitric acid (conc. 80% or greater)
15,000
b
7719-12-2
Phosphorus trichloride [Phosphorous
								  trichloride]
15,000
b
7726-95-6
Bromine
10,000
a, b
7782-41-4
Fluorine
1,000
b
7782-50-5
Chlorine
2,500
a, b
7783-06-4
Hydrogen sulfide
10,000
a, b
7783-07-5
Hydrogen selenide
500
b
7783-60-0
Sulfur tetrafluoride [Sulfur fluoride
								  (SF4), (T-4)-]
2,500
b
7784-34-1
Arsenous trichloride
15,000
b
7784-42-1
Arsine
1,000
b
7803-51-2
Phosphine
5,000
b
8014-95-7
Oleum (Fuming Sulfuric acid) [Sulfuric acid,
								  mixture with sulfur trioxide]1
10,000
e
10025-87-3
Phosphorus oxychloride [Phosphoryl
								  chloride]
5,000
b
10049-04-4
Chlorine dioxide [Chlorine oxide
								  (ClO2)]
1,000
c
10102-43-9
Nitric oxide [Nitrogen oxide (NO)]
10,000
b
10294-34-5
Boron trichloride [Borane, trichloro-]
5,000
b
13463-39-3
Nickel carbonyl
1,000
b
13463-40-6
Iron, pentacarbonyl- [Iron carbonyl
								  (Fe(CO)5), (TB-5-11)-]
2,500
b
19287-45-7
Diborane
2,500
b
26471-62-5
Toluene diisocyanate (unspecified isomer)
								  [Benzene,
1,3-diisocyanatomethyl-]1
10,000
a
NOTE: Basis for Listing:
a Mandated for listing by Congress
b On EHS list, vapor pressure 10 mmHg or greater
c Toxic gas
d Toxicity of hydrogen chloride, potential to release
					 hydrogen chloride, and history of accidents
e Toxicity of sulfur trioxide and sulfuric acid, potential
					 to release sulfur trioxide, and history of accidents
1 The mixture exemption in
					 Section 68.115(b)(1) does not apply to the substance
NOTE: Basis for Listing:
a Mandated for listing by Congress
b On EHS list, vapor pressure 10 mmHg or greater
c Toxic gas
d Toxicity of hydrogen chloride, potential to release
					 hydrogen chloride, and history of accidents
e Toxicity of sulfur trioxide and sulfuric acid, potential
					 to release sulfur trioxide, and history of accidents
TABLE 3
- LIST OF REGULATED
								  FLAMMABLE SUBSTANCES1 AND THRESHOLD
QUANTITIES FOR ACCIDENTAL RELEASE
								  PREVENTION
[Alphabetical Order - 63 Substances]
Chemical Name
CAS Number
Threshold Quantity (lbs)
Basis for Listing
Acetaldehyde
75-07-0
10,000
g
Acetylene [Ethyne]
74-86-2
10,000
f
Bromotrifluorethylene [Ethene,
								  bromotrifluoro-]
598-73-2
10,000
f
1,3-Butadiene
106-99-0
10,000
f
Butane
106-97-8
10,000
f
1-Butene
106-98-9
10,000
f
2-Butene
107-01-7
10,000
f
Butene
25167-67-3
10,000
f
2-Butene, cis-
590-18-1
10,000
f
2-Butene, trans- [2-Butene, (E)-]
624-64-6
10,000
f
Carbon oxysulfide [Carbon oxide sulfide
								  (COS)]
463-58-1
10,000
f
Chlorine monoxide [Chlorine oxide]
7791-21-1
10,000
f
2-Chloropropylene [1-Propene, 2-chloro-]
557-98-2
10,000
g
1-Chloropropylene [1-Propene, 1-chloro-]
590-21-6
10,000
g
Cyanogen [Ethanedinitrile]
460-19-5
10,000
f
Cyclopropane
75-19-4
10,000
f
Dichlorosilane [Silane, dichloro-]
4109-96-0
10,000
f
Difluoroethane [Ethane, 1,1-difluoro-]
75-37-6
10,000
f
Dimethylamine [Methanamine, N-methyl-]
124-40-3
10,000
f
2,2-Dimethylpropane [Propane,
								  2,2-dimethyl-]
463-82-1
10,000
f
Ethane
74-84-0
10,000
f
Ethyl acetylene [1-Butyne]
107-00-6
10,000
f
Ethylamine [Ethanamine]
75-04-7
10,000
f
Ethyl chloride [Ethane, chloro-]
75-00-3
10,000
f
Ethylene [Ethene]
74-85-1
10,000
f
Ethyl ether [Ethane, 1,1'-oxybis-]
60-29-7
10,000
g
Ethyl mercaptan [Ethanethiol]
75-08-1
10,000
g
Ethyl nitrite [Nitrous acid, ethyl ester]
109-95-5
10,000
f
Hydrogen
1333-74-0
10,000
f
Isobutane [Propane, 2-methyl-]
75-28-5
10,000
f
Isopentane [Butane, 2-methyl-]
78-78-4
10,000
g
Isoprene [1,3-Butadiene, 2-methyl-]
78-79-5
10,000
g
Isopropylamine [2-Propanamine]
75-31-0
10,000
g
Isopropyl chloride [Propane, 2-chloro-]
75-29-6
10,000
g
Methane
74-82-8
10,000
f
Methylamine [Methanamine]
74-89-5
10,000
f
3-Methyl-1-butene
563-45-1
10,000
f
2-Methyl-1-butene
563-46-2
10,000
g
Methyl ether [Methane, oxybis-]
115-10-6
10,000
f
Methyl formate [Formic acid, methyl ester]
107-31-3
10,000
g
2-Methylpropene [1-Propene, 2-methyl-]
115-11-7
10,000
f
1,3-Pentadiene
504-60-9
10,000
f
Pentane
109-66-0
10,000
g
1-Pentene
109-67-1
10,000
g
2-Pentene, (E)-
646-04-8
10,000
g
2-Pentene, (Z)-
627-20-3
10,000
g
Propadiene [1,2-Propadiene]
463-49-0
10,000
f
Propane
74-98-6
10,000
f
Propylene [1-Propene]
115-07-1
10,000
f
Propyne [1-Propyne]
74-99-7
10,000
f
Silane
7803-62-5
10,000
f
Tetrafluoroethylene [Ethene, tetrafluoro-]
116-14-3
10,000
f
Tetramethylsilane [Silane, tetramethyl-]
75-76-3
10,000
g
Trichlorosilane [Silane, trichloro-]
10025-78-2
10,000
g
Trifluorochloroethylene [Ethene,
								  chlorotrifluoro-]
79-38-9
10,000
f
Trimethylamine [Methanamine,
								  N,N-dimethyl-]
75-50-3
10,000
f
Vinyl acetylene [1-Buten-3-yne]
689-97-4
10,000
f
Vinyl chloride [Ethene, chloro-]
75-01-4
10,000
a, f
Vinyl ethyl ether [Ethene, ethoxy-]
109-92-2
10,000
g
Vinyl fluoride [Ethene, fluoro-]
75-02-5
10,000
f
Vinylidene chloride [Ethene,
								  1,1-dichloro-]
75-35-4
10,000
g
Vinylidene fluoride [Ethene,
								  1,1-difluoro-]
75-38-7
10,000
f
Vinyl methyl ether [Ethene, methoxy-]
107-25-5
10,000
f
1A flammable substance when used
					 as a fuel or held for sale as a fuel at a retail facility is excluded from all
					 provisions of this part (see Section 68.126).
NOTE: Basis for Listing:
a Mandated for listing by Congress
f Flammable gas
g Volatile flammable liquid
TABLE 4
- LIST OF REGULATED
								  FLAMMABLE SUBSTANCES1 AND THRESHOLD
QUANTITIES FOR ACCIDENTAL RELEASE
								  PREVENTION
[CAS Number Order - 63 Substances]
CAS No
Chemical name
Threshold Quantity (lbs)
Basis for listing
60-29-7
Ethyl ether [Ethane, 1,1'-oxybis-]
10,000
g
74-82-8
Methane
10,000
f
74-84-0
Ethane
10,000
f
74-85-1
Ethylene [Ethene]
10,000
f
74-86-2
Acetylene [Ethyne]
10,000
f
74-89-5
Methylamine [Methanamine]
10,000
f
74-98-6
Propane
10,000
f
74-99-7
Propyne [1-Propyne]
10,000
f
75-00-3
Ethyl chloride [Ethane, chloro-]
10,000
f
75-01-4
Vinyl chloride [Ethene, chloro-]
10,000
a, f
75-02-5
Vinyl fluoride [Ethene, fluoro-]
10,000
f
75-04-7
Ethylamine [Ethanamine]
10,000
f
75-07-0
Acetaldehyde
10,000
g
75-08-1
Ethyl mercaptan [Ethanethiol]
10,000
g
75-19-4
Cyclopropane
10,000
f
75-28-5
Isobutane [Propane, 2-methyl-]
10,000
f
75-29-6
Isopropyl chloride [Propane, 2-chloro-]
10,000
g
75-31-0
Isopropylamine [2-Propanamine]
10,000
g
75-35-4
Vinylidene chloride [Ethene,
								  1,1-dichloro-]
10,000
g
75-37-6
Difluoroethane [Ethane, 1,1-difluoro-]
10,000
f
75-38-7
Vinylidene fluoride [Ethene,
								  1,1-difluoro-]
10,000
f
75-50-3
Trimethylamine [Methanamine,
								  N,N-dimethyl-]
10,000
f
75-76-3
Tetramethylsilane [Silane, tetramethyl-]
10,000
g
78-78-4
Isopentane [Butane, 2-methyl-]
10,000
g
78-79-5
Isoprene [1,3-Butadiene, 2-methyl-]
10,000
g
79-38-9
Trifluorochloroethylene [Ethene,
								  chlorotrifluoro-]
10,000
f
106-97-8
Butane
10,000
f
106-98-9
1-Butene
10,000
f
106-99-0
1,3-Butadiene
10,000
f
107-00-6
Ethyl acetylene [1-Butyne]
10,000
f
107-01-7
2-Butene
10,000
f
107-25-5
Vinyl methyl ether [Ethene, methoxy-]
10,000
f
107-31-3
Methyl formate [Formic acid, methyl ester]
10,000
g
109-66-0
Pentane
10,000
g
109-67-1
1-Pentene
10,000
g
109-92-2
Vinyl ethyl ether [Ethene, ethoxy-]
10,000
g
109-95-5
Ethyl nitrite [Nitrous acid, ethyl ester]
10,000
f
115-07-1
Propylene [1-Propene]
10,000
f
115-10-6
Methyl ether [Methane, oxybis-]
10,000
f
115-11-7
2-Methylpropene [1-Propene, 2-methyl-]
10,000
f
116-14-3
Tetrafluoroethylene [Ethene, tetrafluoro-]
10,000
f
124-40-3
Dimethylamine [Methanamine, N-methyl-]
10,000
f
460-19-5
Cyanogen [Ethanedinitrile]
10,000
f
463-49-0
Propadiene [1,2-Propadiene]
10,000
f
463-58-1
Carbon oxysulfide [Carbon oxide sulfide
								  (COS)]
10,000
f
463-82-1
2,2-Dimethylpropane [Propane,
								  2,2-dimethyl-]
10,000
f
504-60-9
1,3-Pentadiene
10,000
f
557-98-2
2-Chloropropylene [1-Propene, 2-chloro-]
10,000
g
563-45-1
3-Methyl-1-butene
10,000
f
563-46-2
2-Methyl-1-butene
10,000
g
590-18-1
2-Butene, cis-
10,000
f
590-21-6
1-Chloropropylene [1-Propene, 1-chloro-]
10,000
g
598-73-2
Bromotrifluorethylene [Ethene,
								  bromotrifluoro-]
10,000
f
624-64-6
2-Butene, trans- [2-Butene, (E)-]
10,000
f
627-20-3
2-Pentene, (Z)-
10,000
g
646-04-8
2-Pentene, (E)-
10,000
g
689-97-4
Vinyl acetylene [1-Buten-3-yne]
10,000
f
1333-74-0
Hydrogen
10,000
f
4109-96-0
Dichlorosilane [Silane, dichloro-]
10,000
f
7791-21-1
Chlorine monoxide [Chlorine oxide]
10,000
f
7803-62-5
Silane
10,000
f
10025-78-2
Trichlorosilane [Silane,trichloro-]
10,000
g
25167-67-3
Butene
10,000
f
1A flammable substance when used
					 as a fuel or held for sale as a fuel at a retail facility is excluded from all
					 provisions of this part (see Section 68.126).
Note: Basis for Listing:
a Mandated for listing by Congress
f Flammable gas
g Volatile flammable liquid