Some HAPs have too low vapor pressure to make the gas mixture
•Acetamine, Acrylamide,Biphenyl,captan,
•Chlorobenzilate Diazomethane, Dibenzofurans, Dimethyl phthalate •Dinitrophenol, Hydroquinone, Methyl Isocyanate, Nitrophenol, Pentachlorphenol
•Toxaphene,