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      <marc:subfield code="a">Li, W. C., </marc:subfield>
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      <marc:subfield code="a">CEPA national interlaboratory comparison study (CP-1) : </marc:subfield>
      <marc:subfield code="b">analysis of chlorophenols in standard solution and sediment extracts / </marc:subfield>
      <marc:subfield code="c">W.C. Li and A.S.Y. Chau.</marc:subfield>
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      <marc:subfield code="a">Burlington, Ontario : </marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </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 10).</marc:subfield>
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      <marc:subfield code="a">"As part of quality assurance program under the auspices of the Canadian Environmental Protection Act (CEPA), an interlaboratory comparison study (CP-1) for the analysis of chlorophenols in standard solution and sediment extracts was designed and conducted by the Quality Assurance Project of the Research and Applications Branch at National Water Research Institute"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
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      <marc:subfield code="a">Chau, A. S. Y. </marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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