Regulation Respecting Ozone Depleting Substances** (O.C. 812-93) http://doc.gouv.qc.ca/en/cgi/rech_theme.cgi Saskatchewan The Ozone-depleting Substances Control Act, 1993* http://www.qp.gov.sk.ca/
Règlement sur les substances appauvrissant la couche d’ozone (D. 812-93) http://doc.gouv.qc.ca/fr/cgi/rech_theme.cgi Saskatchewan The Ozone-depleting Substances Control Act, 1993* http://www.qp.gov.sk.ca/