00000nam 2200000za 4500 9.848040 CaOODSP 20241203113640 cr ||||||||||| 171129s1985 onca|||fo f000 0 eng d CaOODSP eng eng fre n-cn-ns En13-5/85-72E-PDF Metcalfe-Smith, J. L. (Janice L.) Distribution of arsenic and mercury in zoobenthos from the Shubenacadie River headwater lakes in Nova Scotia [electronic resource] / by J.L. Metcalfe and A. Mudroch. Burlington, Ont. : Environmental Contaminants Division, National Water Research Institute, Canada Centre for Inland Waters, [1985]. 30 p. : ill. NWRI contribution ; no. 85-72 "Division Control No. ECD55". Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "The Shubenacadie River headwater lakes are contaminated with arsenic and mercury as a result of past gold mining activities in the area. Recent studies have shown that significant amounts of arsenic are transported from one lake to another, and that levels of mercury up to 2ug/g have accumulated in some fish species. This report presents the results of the first year of an investigation into the pathways of arsenic and mercury in the lake ecosystem"--Exec. summary. Includes executive summary and abstract in English and French. gccst Pollutants gccst Water qualilty Mudroch, Alena. Canada. Environment Canada. National Water Research Institute (Canada) NWRI contribution ; no. 85-72 (CaOODSP)9.844121 PDF 3.00 MB https://publications.gc.ca/collections/collection_2017/eccc/En13-5-85-72-eng.pdf