Description: Acetone, Benzene, Butane, Hexane, Paint solvents, Natural gas
Synonyms: CFIHOS-60002746
I
Description: Gas Group I is intended for mines where the atmosphere, in addition to firedamp, may contain significant proportions of other flammable gases (i.e. other than methane).
Synonyms: CFIHOS-60000603
IIA
Description: Gas Group IIA is area with an explosive gas atmosphere other than mines susceptible to firedamp having typical gas as Propane.
Synonyms: CFIHOS-60000631
IIB
Description: Gas Group IIB is area with an explosive gas atmosphere other than mines susceptible to firedamp having typical gas as Ethylene.
Synonyms: CFIHOS-60000632
IIC
Description: Gas Group IIC is area with an explosive gas atmosphere other than mines susceptible to firedamp having typical gas as Acetylene or Hydrogen.
Synonyms: CFIHOS-60000633
Value
Description
Synonyms
A
Acetylene
CFIHOS-60002743
B
Hydrogen, Propylene oxide, Ethyl oxide, Butadiene
CFIHOS-60002744
C
Cyclopropane, Ethly ether, Ethylene
CFIHOS-60002745
D
Acetone, Benzene, Butane, Hexane, Paint solvents, Natural gas
CFIHOS-60002746
I
Gas Group I is intended for mines where the atmosphere, in addition to firedamp, may contain significant proportions of other flammable gases (i.e. other than methane).
CFIHOS-60000603
IIA
Gas Group IIA is area with an explosive gas atmosphere other than mines susceptible to firedamp having typical gas as Propane.
CFIHOS-60000631
IIB
Gas Group IIB is area with an explosive gas atmosphere other than mines susceptible to firedamp having typical gas as Ethylene.
CFIHOS-60000632
IIC
Gas Group IIC is area with an explosive gas atmosphere other than mines susceptible to firedamp having typical gas as Acetylene or Hydrogen.
