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    <marc:controlfield tag="001">9.865681</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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    <marc:controlfield tag="008">181205s2019    quc     o    f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
      <marc:subfield code="e">rda</marc:subfield>
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      <marc:subfield code="a">En4-144/56-2019E-PDF</marc:subfield>
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    <marc:datafield tag="245" ind1="0" ind2="0">
      <marc:subfield code="a">Canadian environmental sustainability indicators : </marc:subfield>
      <marc:subfield code="b">perfluorooctane sulfonate in fish and water.</marc:subfield>
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    <marc:datafield tag="246" ind1="3" ind2="0">
      <marc:subfield code="a">Perfluorooctane sulfonate in fish and water</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Gatineau, QC : </marc:subfield>
      <marc:subfield code="b">Environment and Climate Change Canada = Environnement et changement climatique Canada, </marc:subfield>
      <marc:subfield code="c">2019.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©2019</marc:subfield>
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      <marc:subfield code="a">1 online resource (17 pages)</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:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Indicateurs canadiens de durabilité de l'environnement : sulfonate de perfluorooctane dans les poissons et l'eau.</marc:subfield>
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      <marc:subfield code="a">Issued also in HTML format.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"Perfluorooctane sulfonate (PFOS) has been used in stain repellents, fire-fighting foams and metal plating. It is of ecological concern, given its widespread occurrence and its bioaccumulation, persistence, and toxicity in animals. These indicators assess PFOS concentrations in fish tissue and water against the Federal Environmental Quality Guidelines"--page 5.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Water pollution</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment and Climate Change Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="775" ind1="0" ind2="8">
      <marc:subfield code="t">Indicateurs canadiens de durabilité de l'environnement : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.865682</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="795" ind1=" " ind2=" ">
      <marc:subfield code="t">Canadian environmental sustainability indicators </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.822647</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">606 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/En4-144-56-2018-eng.pdf</marc:subfield>
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      <marc:subfield code="q">HTML</marc:subfield>
      <marc:subfield code="s">N/A</marc:subfield>
      <marc:subfield code="u">https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/perfluorooctane-sulfonate-fish-water.html</marc:subfield>
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