The National Office of Pollution Prevention (NOPP) is Environment Canada's focal point for the management of toxic substances, implementation of federal pollution prevention policy and legislation, and the development of new concepts and policy instruments that facilitate the transition to pollution prevention in Canada.

	Status Report on Water Pollution Prevention and Control under the Metal Mining Effluent Regulations in 2003  (11 /2006)   Regulations Amending the Metal Mining Effluent Regulations  (10 /2006)   Guidance Document For Reporting Of Releases From The Base Metals Smelting Sector  (10 /2006)   Guidance Document for Management of Wastes from the Base Metals Smelting Sector  (9 /2006)