HCFC22 Occupational Health

HCFC-22 (chloro-difluoro-methane)

The national permissible occupational exposure limits vary between 1,750 and 3,500 mg/ m3 (8hr TWA). It is concluded that this provides adequate health protection.

Source
Joint Assessment of Commodity Chemicals No. 9
HCFC-22 CHLORODIFLUOROMETHANE
ECETOC, October 19, 1989