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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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      <marc:subfield code="a">En37-631/1993E-PDF</marc:subfield>
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      <marc:subfield code="a">Canadian water quality and tissue residue guidelines for cadmium.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa : </marc:subfield>
      <marc:subfield code="b">Eco-Health Branch, Ecosystems Sciences and Evaluation Directorate, Environment Canada, </marc:subfield>
      <marc:subfield code="c">August 1993.</marc:subfield>
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      <marc:subfield code="a">1 online resource (170 pages) : </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">"Draft."</marc:subfield>
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      <marc:subfield code="a">"CCME Summary."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"Environmental quality guidelines are used by Canadian provincial, territorial and federal agencies in their efforts to assess water quality problems and to manage competing uses of water resources. Recognizing the increasing importance of environmental quality guidelines in this process, the Canadian Council of Ministers of the Environment asked its Task Force on Water Quality Guidelines to prepare environmental quality guidelines relevant to Canadian conditions"--Introduction, page [1].</marc:subfield>
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      <marc:subfield code="a">Water quality</marc:subfield>
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      <marc:subfield code="x">Normes</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">14.30 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/eccc/en37/En37-631-1993-eng.pdf</marc:subfield>
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