|
- Hazardous classified locations or selected gases, vapors and dust
|
Group A |
Acetylene |
| Group B |
Acrolein (inhibited) (2)
Arsine
Butadiene (1)
Ethylene oxide
Hydrogen
Manufactured gases containing more than 30% H2 (by volume)
Propylene oxide (2)
Propylnitrate |
| Group C |
Acetaldehyde
Allyl alcohol
n- butyraldehyde
Carbon monoxide
Crotonaldehyde
Cyclopropane
Diethyl ether
Diethylamine
Epichlorohydrin
Ethylene
Ethylamine
Ethyl mercaptan
Ethyl sulfide
Hydrogen cyanide
Hydrogen sulfide
Morpholine
2-nitropropane
Tetrahydrofuran
Unsymmetrical dimethyl hydrazine |
| Group D |
Acetic acid (glacial)
Acetone
Acrylonitrile
Ammonia (3)
Benzene
Butane
1-butanol (butyl alcohol)
2-butananol (secondary butyl alcohol)
n-butyl acetate
Isobutyl acetate
di-isobutylene
Ethane
Ethanol (ethyl alcohol)
Ethyl acetate
Ethyl acrylate (inhibited)
Ethylene diamine (anhydrous)
Ethyle dichloride
Ethylene glycol monomethyl ether
Gasoline
Heptanes
Hexanes
Isoprene
Isopropyl ether
Methyl oxide
Methane (natural gas)
Methanol (methyl alcohol)
3-methyl-1-butanol (isoamyl alcohol)
Methyl ethyl ketone
Methyl isobutyl ketone
2-methyl-1-propanol (teriary butyl alcohol)
2-methyl-2-propanol (tertiary butyl alcohol)
Petroleum naphtha (4)
Pyridine
Octanes
Pentanes
1-pentanol (amyl alcohol)
Propane
1-propanol (propyl alcohol)
2-propanol (isopropyl alcohol)
Propylene
Styrene
Toluene
Vinyl acetate
Vinyl chloride
Xylenes |
| Group E |
Containing metal dust
Including aluminum
Magnesium
Commercial alloys
Other metals of similarly hazardous characteristics |
| Group F |
Containing carbon black
Coal
Coke dust |
| Group G |
Containing flour
Starch
Grain dust |
|
- Note : Carbon disulfide must be treated in special manner |
