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      <marc:subfield code="a">Mudroch, Alena, </marc:subfield>
      <marc:subfield code="e">author</marc:subfield>
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      <marc:subfield code="a">Concentrations of selected elements in the Great Lakes sediments / </marc:subfield>
      <marc:subfield code="c">by A. Mudroch, L. Sarazin and T. Lomas.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario : </marc:subfield>
      <marc:subfield code="b">Lakes Research Branch, National Water Research Institute, Canada Centre for Inland Waters, </marc:subfield>
      <marc:subfield code="c">1987.</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">87-78</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Cover title.</marc:subfield>
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      <marc:subfield code="a">"Division control no. ECD-87."</marc:subfield>
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      <marc:subfield code="a">"November 1987."</marc:subfield>
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      <marc:subfield code="a">"This manuscript has been submitted as a National Water Research Institute Publication and the contents are subject to change. This copy is to provide information prior to publication."</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"A literature survey was carried out to obtain recent and background concentrations of selected elements (As, Cd, Cu, Cr, Fe, Ni, Pb, Zn and Hg) in the sediments from different areas of the Great Lakes. This information was required for the revision of the guidelines for the disposal of dredged material at the Canadian side of the Great Lakes"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Includes an abstract in 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="a">Sarazin, Laurie, </marc:subfield>
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      <marc:subfield code="a">Lomas, T., </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada). </marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-87-78-eng.pdf</marc:subfield>
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