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      <marc:subfield code="a">Marvin, Christopher H., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">Bioassay-directed fractionation of polycyclic aromatic hydrocarbons of molecular mass 302 in coal tar contaminated sediment / </marc:subfield>
      <marc:subfield code="c">by: C.H. Marvin, [and four others].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="246" ind1="1" ind2="3">
      <marc:subfield code="a">Bioassay-directed fractionation of PAH of molecular mass 302 in coal tar contaminated sediment </marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">[Burlington, Ontario] : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute, Environment Canada = Institut national de recherche sur les eaux, Environnement Canada, </marc:subfield>
      <marc:subfield code="c">[1998]</marc:subfield>
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      <marc:subfield code="c">©1999</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">98-266</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">Reprinted from The Science of the Total Environment 231 (1999) 135-144.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"Bioassay-directed fractionation was used to characterise genotoxic polycyclic aromatic hydrocarbons (PAH) of molecular mass 302 amu in organic solvent extracts of coal tar-contaminated sediment from Sydney Harbour, Nova Scotia"--Abstract.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment 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="a">NWRI contribution ;</marc:subfield>
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      <marc:subfield code="w">(CaOODSP)9.844121</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.24 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-98-266-eng.pdf</marc:subfield>
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