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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">190821s1992    oncbd   ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">En13-5/92-138E-PDF</marc:subfield>
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      <marc:subfield code="a">Marsalek, J., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Urban impacts on bacteriological pollution of the St. Clair River in Sarnia : </marc:subfield>
      <marc:subfield code="b">sources and cleanup / </marc:subfield>
      <marc:subfield code="c">J. Marsalek, B.J. Dutka and I.K. Tsanis.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute, Rivers Research Branch, </marc:subfield>
      <marc:subfield code="c">[1992]</marc:subfield>
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      <marc:subfield code="a">1 online resource (41 pages, 21 unnumbered pages) : </marc:subfield>
      <marc:subfield code="b">maps, graphs.</marc:subfield>
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      <marc:subfield code="a">text</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
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    <marc:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">92-138</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"A project sponsored by the Great Lakes Action Plan Cleanup Fund."</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (pages 37-41).</marc:subfield>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"The urban impacts on fecal bacteria pollution of the near-shore zone of the St. Clair River in Sarnia were studied by means of field observations and computer modelling. Toward this end, 14 sampling stations were established in the study area and served for observing fecal coliform, fecal streptococci, E. coli, Pseudomonas aeruginosa and coliphage in the river and in discharges from several sources"--Abstract.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Includes abstract and management perspective in English and French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Dutka, B. J., </marc:subfield>
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      <marc:subfield code="a">Tsanis, Ioannis K., </marc:subfield>
      <marc:subfield code="d">1953- </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">National Water Research Institute (Canada). </marc:subfield>
      <marc:subfield code="b">Rivers Research Branch.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
      <marc:subfield code="v">92-138.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">7.18 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-92-138-eng.pdf</marc:subfield>
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