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      <marc:subfield code="a">Yunker, M. B.</marc:subfield>
      <marc:subfield code="q">(Mark Bernard),</marc:subfield>
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      <marc:subfield code="a">Sources and significance of alkane and PAH hydrocarbons in Canadian arctic rivers / </marc:subfield>
      <marc:subfield code="c">Mark B. Yunker [and four others].</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">Environment Canada, Water Science and Technology Directorate = Environnement Canada, Direction générale des sciences et de la technologie, eau, </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 (pages 33-40).</marc:subfield>
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      <marc:subfield code="a">"As part of Environment Canada’s contribution to the Northern Contaminants Program, hydrocarbon concentrations were quantified in suspended sediment and water samples collected in 1993 and 1994 from 11 Arctic rivers (including the Mackenzie River) draining into the Canadian Archipelago or Hudson’s Bay. This information was combined with similar Mackenzie data from 1987 (plus bottom sediment data from lakes in the Mackenzie delta and the Beaufort sea shelf) for the purpose of assessing the geochemistry of the alkanes and PAHs, inferring their sources, and characterizing their loading to the arctic marine environment"--Management perspective.</marc:subfield>
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      <marc:subfield code="a">Includes management perspective and abstract in French.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Water Science and Technology Directorate.</marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-00-78-eng.pdf</marc:subfield>
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