000 02144nam  2200397zi 4500
0019.883730
003CaOODSP
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006m     o  d f      
007cr bn|||||||||
008200120s1981    oncb    ob   f000 0 eng d
040 |aCaOODSP|beng|erda|cCaOODSP
043 |an-cn-on
0861 |aEn36-522/121-1981E-PDF
1001 |aDutka, B. J., |eauthor.
24510|aStudy of mutagenic and toxic activity in waters and sewage effluents within the Great Lakes Basin / |cby B.J. Dutka and J. Brechin.
264 1|a[Burlington, Ont.] : |bEnvironment Canada, Canada Centre for Inland Waters = Environnement Canada, Centre canadien des eaux intérieures, |c[1981]
300 |a1 online resource (17 pages) : |bmap..
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |a[Unpublished report]
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references.
5203 |a"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.
650 0|aMutagenicity testing|zGreat Lakes (North America)
650 0|aToxicity testing|zGreat Lakes (North America)
650 0|aWater quality|zGreat Lakes (North America)|xMeasurement.
650 6|aMutagénicité|zGrands Lacs (Amérique du Nord)
650 6|aTests de toxicité|yGrands Lacs (Amérique du Nord)
650 6|aEau|xQualité|zGrands Lacs (Amérique du Nord)|xMesure.
7101 |aCanada. |bEnvironment Canada.
7102 |aCanada Centre for Inland Waters.
830#0|aUnpublished report (Canada Centre for Inland Waters)|w(CaOODSP)9.881827
85640|qPDF|s896 KB|uhttps://publications.gc.ca/collections/collection_2020/eccc/en36-522/En36-522-121-1981-eng.pdf