Decree 1248-94 of 17 Aug. 1994: Regulation modifying the Regulations on the quality of the working environment Jurisdiction Canada - Quebec Year 1994 Published in French Original/other title [French] Décret 1248-94, 17 aoűt 1994 - Rčglement modifiant le Rčglement sur la qualité du milieu de travail [Canada - Québec] Serial title Gazette officielle du Québec Source 7 Sep. 1994, Vol.126, No.37, p.5453-5491. Descriptors [Primary] Canada, Quebec, TLV list, dangerous substances [Secondary] carcinogens, isocyanates, law, list of chemical substances, personal protective equipment Subject category Chemical safety Abstract This Regulation modifies the existing Quebec regulations concerning the quality of the working environment (see CIS 95-4). It makes minor changes in provisions dealing with exposure to carcinogens and isocyanates, personal protective equipment and sampling methods. In addition, it introduces a new Annex A containing the complete list of exposure limits for gases, dusts, fumes, vapours and mists in the working environment. This Annex contains definitions of TWA and short-term TLVs, excursion and ceiling limits, carcinogens, respirable fibres and simple asphyxiants. It contains a list of approx. 850 substances, together with their CAS number, TWA and short-term TLV and skin and carcinogenicity notation (if any). It also contains calculation methods for exposure to chemicals of workers with several workplaces, or exposed to several substances. There are also lists of substances that may not be recycled, or exposure to which must be kept to a minimum (carcinogens C1 and C2, isocyanates). CIS No. 95-1946 Database ID 65647