Regulation respecting isocyanates - made under the Occupational Health and Safety Act Jurisdiction Canada - Ontario Year 1983 Published in English Source Ontario Ministry of Labour, Occupational Health and Safety Division, 400 University Ave., Toronto, Ontario M7A 1T7, Canada, 1983. 79p. Serial number Ontario Regulation 455/83 Descriptors [Primary] Canada, Ontario, isocyanates, threshold limit values [Secondary] law, medical supervision, respirators, sampling and analysis Subject category Chemical safety Abstract This regulation presented in booklet form includes: the scope of the regulation in which the TWA exposure limit to all isocyanates is set at 0.005ppm or 0.2 micromole isocyanates/m3 with a ceiling value of 0.02ppm or 0.8 micromole isocyanates/m3 of air; a code of respiratory protective equipment for isocyanates; a code for sampling and analysing airborne isocyanates; a code of medical surveillance of workers. CIS No. 85-112 Database ID 43321