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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">181017t20182016quc    #ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">En14-340/2018E-PDF</marc:subfield>
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      <marc:subfield code="a">Screening assessment thiols group </marc:subfield>
      <marc:subfield code="h">[electronic resource].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">[Gatineau, QC] : </marc:subfield>
      <marc:subfield code="b">Environment and Climate Change Canada : </marc:subfield>
      <marc:subfield code="b">Health Canada, </marc:subfield>
      <marc:subfield code="c">2018, c2016.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">v, 21 p.</marc:subfield>
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      <marc:subfield code="a">"October 2018."</marc:subfield>
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      <marc:subfield code="a">Title from cover.</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">"Chemical abstracts service registry numbers 75-18-3, 150-60-7, 25103-58-6, 71159-90-5"--Cover.</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Évaluation préalable groupe des thiols.</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">"Pursuant to section 68 or 74 of the Canadian Environmental Protection Act, 1999 (CEPA), the Minister of the Environment and the Minister of Health have conducted a screening assessment on four of six substances referred to collectively under the Chemicals Management Plan as the Thiols Group. These four substances were identified as priorities for assessment as they met categorization criteria under subsection 73(1) of CEPA or were considered a priority on the basis of other human health concerns. Two of the six substances were subsequently determined to be of low concern through other approaches, and decisions for these substances are provided in a separate screening assessment"--Synopsis, p. ii.</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="2">gccst</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">Environment and Climate Change Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="775" ind1="0" ind2="8">
      <marc:subfield code="t">Évaluation préalable groupe des thiols </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.863382</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">775 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2018/eccc/En14-340-2018-eng.pdf</marc:subfield>
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    <marc:datafield tag="856" ind1="4" ind2=" ">
      <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/evaluating-existing-substances/screening-assessment-thiols-group.html</marc:subfield>
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