00000nam 2200000za 4500 9.862615 CaOODSP 20241203113644 cr ||||||||||| 181002s1975 oncdo #ob f000 0 eng d CaOODSP eng eng fre n-cn-on En36-503/92E-PDF En36-503/92 Carew, T. J. Surveillance methodology - 1974 [electronic resource] / T.J. Carew and D.J. Williams. Burlington, Ontario : Environment Canada, Inland Waters Directorate : Canada Centre for Inland Waters, 1975. v, 28 p. : graphs, photographs Technical bulletin - Inland Waters Directorate ; no. 92 Contract No. KL 398-5-8029. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "In 1974, a pilot surveillance program was implemented on Lake Ontario to meet the requirements of the International Joint Commission for information on areas of improving or deteriorating water quality, general lake wide conditions and responses to the impact of management procedures. This report entails documentation and discussion of parameters, analytical methodology and shipboard procedures"--Abstract, p. v. Includes abstract in French. gccst Water quality gccst Environmental management gccst Lakes Williams, D. J. Canada. Environment Canada. Canada Centre for Inland Waters. Canada. Inland Waters and Lands Directorate. Technical bulletin (Canada. Inland Waters Directorate) no. 92. (CaOODSP)9.861123 PDF 2.10 MB https://publications.gc.ca/collections/collection_2018/eccc/en36-503/En36-503-92-eng.pdf