00000nam 2200000zi 4500 9.890001 CaOODSP 20221107172449 m o d f cr bn||||||||| 200724s1987 bccab ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre n-cn-bc x7x8 En39-170/1987E-PDF Sheehan, S. W., author. Water chemistry of the Columbia and Pend d'Oreille Rivers near the international boundary : (data report) / S.W. Sheehan and M. Lamb. Vancouver, B.C. : Inland Waters and Lands, Pacific and Yukon Region, 1987. 1 online resource (x, 312 pages) : illustrations, maps text txt rdacontent computer c rdamedia online resource cr rdacarrier "March, 1987." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (page 312). "During the mid-1970's, concerns were raised about discharges of industrial effluents into the Columbia River. As a result of these concerns, the Water Quality Branch began a study to assess levels of nutrients, metals and other parameters near the International border. From 1978 to 1984 detailed studies of temporal and cross-sectional variability were undertaken. This report presents the data from these studies"--Abstract, page i. Issued also in print format. Includes abstracts in English and French. Water quality Columbia River. Water quality Pend-d'Oreille River. Water quality British Columbia. Factory and trade waste Environmental aspects Columbia River. Factory and trade waste Environmental aspects Pend-d'Oreille River. Factory and trade waste Environmental aspects British Columbia. Eau Qualité Columbia (Fleuve) Eau Qualité Pend Oreille (Rivière) Eau Qualité Colombie-Britannique. Déchets industriels Aspect de l'environnement Columbia (Fleuve) Déchets industriels Aspect de l'environnement Pend Oreille (Rivière) Déchets industriels Aspect de l'environnement Colombie-Britannique. Canada. Inland Waters and Lands Directorate. Pacific and Yukon Region, issuing body. PDF 6.82 MB https://publications.gc.ca/collections/collection_2020/eccc/en39/En39-170-1987-eng.pdf