Carbon monoxide (H2 filtered)
Chlorine (CL2 )
Chlorine Dioxide (CIO)
Ethylene Oxide (ETO)

Flammable
Fluorine (F2 )
Hydrogen (H2 )
Hydrogen cyanide (HCN)

Gas
Hydrogen fluoride (HF)
Hydrogen sulphide (H2S)
Nitric oxide (NO)
Nitrogen dioxide (NO2 )
Oxygen (O2 )
Ozone (O3 )
Phosphine (PH3 )
Phosgene (COCI2 )
Sulphur dioxide (SO2 )