00000nam 2200000zi 4500 9.889653 CaOODSP 20221107172343 m o d f cr bn||||||||| 200721e19731231bccbd ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-bc En40-930/1973E-PDF Zinc and boron pollution in coastal waters of British Columbia by effluents from the pulp and paper industry. Vancouver, B.C. : Environment Canada, Fisheries and Marine Service, Fisheries Operations and Research and Development (Pacific Environment Institute), and Environmental Protection Service, Pacific Region, December 31, 1973. 1 online resource (1 volume (various pagings)) : maps, graphs text txt rdacontent computer c rdamedia online resource cr rdacarrier Cover title. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "At least part of the coastal newsprint-producing pulp and paper industry has switched or plans to switch from zinc hydrosulphite (zinc dithionite, ZnS204) to sodium hydrosulphite (produced on-site by the Borol process) as a brightening agent for groundwood (mechanical) pulp. This switchover is due to the concern about the bioaccumulation of zinc by the Pacific oyster, Crassostrea gigas, which is harvested commercially and recreationally along the British Columbia coast"--Abstract, page i. Marine pollution British Columbia Pacific Coast. Zinc Environmental aspects British Columbia Pacific Coast. Boron Environmental aspects British Columbia Pacific Coast. Paper industry Environmental aspects British Columbia Pacific Coast. Pacific oyster Effect of water pollution on British Columbia Pacific Coast. Pollution marine Colombie-Britannique Pacifique, Côte du. Zinc Aspect de l'environnement Colombie-Britannique Pacifique, Côte du. Bore Aspect de l'environnement Colombie-Britannique Pacifique, Côte du. Papier Industrie Aspect de l'environnement Colombie-Britannique Pacifique, Côte du. Huître japonaise Effets de la pollution de l'eau sur Colombie-Britannique Pacifique, Côte du. Pacific Environment Institute, issuing body. Canada. Environmental Protection Service. Pacific Region, issuing body. PDF 4.10 MB https://publications.gc.ca/collections/collection_2020/eccc/en40/En40-930-1973-eng.pdf