00000nam 2200000zi 4500 9.881551 CaOODSP 20241203113653 m o d f cr bn||||||||| 191101s1986 bccb ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-bc x8x8 En40-241/86-04E-PDF Godin, Benoit, author. Site inspection August 18, 1982 : water quality sampling program at Northair mine, Brandywine Falls / by B. Godin, M. Ross. [Vancouver?] : Environment Canada, Conservation and Protection, Environmental Protection Service, Pacific and Yukon Region, 1986. 1 online resource (iv, 15 pages) : maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Regional data report ; DR 86-04 "August 1986." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (page 9). "Water quality (physical and chemical) data were obtained from mine and mill water and receiving waters on August 18, 1982. Settling ponds were effective in reducing copper, zinc, lead, manganese and iron levels. High chemical values were found downstream of the mine on Water Licence Creek. Water chemical levels at the Callaghan Creek station were below the Inland Water Directorate recommended surface freshwater quality objectives for aquatic life protection. The mine did not impact Callaghan Creek"--Summary, page iv. Issued also in print format. gccst Mining industry gccst Watercourses gccst Water quality Canada. Environment Canada. Canada. Environmental Protection Service. Pacific and Yukon Region. Regional data report (Canada. Conservation and Protection) DR 86-04. (CaOODSP)9.880720 PDF 645 KB https://publications.gc.ca/collections/collection_2019/eccc/en40-241/En40-241-86-04-eng.pdf