00000nam 2200000zi 4500 9.883730 CaOODSP 20241203113654 m o d f cr bn||||||||| 200120s1981 oncb ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-on En36-522/121-1981E-PDF Dutka, B. J., author. Study of mutagenic and toxic activity in waters and sewage effluents within the Great Lakes Basin / by B.J. Dutka and J. Brechin. [Burlington, Ont.] : Environment Canada, Canada Centre for Inland Waters = Environnement Canada, Centre canadien des eaux intérieures, [1981] 1 online resource (17 pages) : map.. text txt rdacontent computer c rdamedia online resource cr rdacarrier [Unpublished report] Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "Thirty-three water and effluent samples as well as six mud samples were collected from the central, southern and eastern part of the Ontario Great Lakes basin for mutagen and toxicity screening tests. Six samples had toxic activity and six samples indicated mutagenic activity in microbial tests. Summary of techniques and positive sites are presented"--Abstract. Mutagenicity testing Great Lakes (North America) Toxicity testing Great Lakes (North America) Water quality Great Lakes (North America) Measurement. Mutagénicité Grands Lacs (Amérique du Nord) Tests de toxicité Grands Lacs (Amérique du Nord) Eau Qualité Grands Lacs (Amérique du Nord) Mesure. Canada. Environment Canada. Canada Centre for Inland Waters. Unpublished report (Canada Centre for Inland Waters) (CaOODSP)9.881827 PDF 896 KB https://publications.gc.ca/collections/collection_2020/eccc/en36-522/En36-522-121-1981-eng.pdf