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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="a">Li, W. C., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Summary report for UGLCC interlaboratory studies on the analysis of polynuclear aromatic hydrocarbons in water and standard solutions / </marc:subfield>
      <marc:subfield code="c">by W.C. Li and A.S.Y. Chau.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute, </marc:subfield>
      <marc:subfield code="c">February 1990.</marc:subfield>
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      <marc:subfield code="a">1 online resource (1 volume (various pagings)) : </marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">90-113</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 (page 7).</marc:subfield>
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      <marc:subfield code="a">"In the early planning stages of the Upper Great Lakes Connecting Channels (UGLCC) Study, it was recognized that quality assurance/quality control (QA/QC) aspects would be crucial to the overall usefulness of the study results. In order to address this matter, a Data Quality Management Work Group was established and thirteen interlaboratory performance evaluation (PE) studies for inorganic and organic parameters were designed and conducted during the duration of the UGLCC study (1985-1987)"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Includes abstract in French.</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:datafield tag="700" ind1="1" ind2=" ">
      <marc:subfield code="a">Chau, A. S. Y. </marc:subfield>
      <marc:subfield code="q">(Alfred Shun-Yuen), </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>
      <marc:subfield code="v">90-113. </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.844121</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/En13-5-90-113-eng.pdf</marc:subfield>
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