Regulation respecting acrylonitrile made under the Occupational Health and Safety Act Jurisdiction Canada - Ontario Year 1984 Published in English Source Ministry of Labour, Occupational Health and Safety Division, Ontario, Canada, 1984. 53p. Serial number Ontario Regulation 733/84 Descriptors [Primary] Canada, acrylonitrile, threshold limit values [Secondary] Ontario, adsorption sampling, legislation, medical supervision, respirators, sampling and analysis Subject category Chemical safety Abstract The regulation prescribes acrylonitrile as a designated substance under the 1980 Occupational health and safety act of Ontario. The regulation includes codes for respiratory equipment, the measurement of airborne acrylonitrile, and medical surveillance of exposed workers. The time weighted exposure limit is set at 2ppm (4.3mg/m3) with a 10ppm (21.7mg/m3) ceiling limit. CIS No. 85-1923 Database ID 45171