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      <marc:subfield code="a">En36-523/182E-PDF</marc:subfield>
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      <marc:subfield code="a">Addendum to the review of the 1992 interprovincial water quality objectives and recommendations for change / </marc:subfield>
      <marc:subfield code="c">prepared for the Prairie Provinces Water Board ; prepared by the Committee on Water Quality.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Regina, SK : </marc:subfield>
      <marc:subfield code="b">Prairie Provinces Water Board, </marc:subfield>
      <marc:subfield code="c">November 2019.</marc:subfield>
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      <marc:subfield code="a">1 online resource (iv, 17 pages).</marc:subfield>
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      <marc:subfield code="a">"Technical report prepared for the Prairie Provinces Water Board"--Cover.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 16-17).</marc:subfield>
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      <marc:subfield code="a">"Following completion of the 2015 water quality objectives review, a number of parameters for select rivers were listed as "under review" and as such no water quality objectives were established. Water quality objectives were not set at these sites because the water use objectives were either not appropriate for these rivers and/or insufficient information was available to support the development of a site-specific objective. The Committee on Water Quality (COWQ), a standing Committee to the PPWB, has continued to work on the objectives listed as "under review" to get a better understanding of the water quality conditions and requirements needed to establish objectives"--Introduction and Background, page 1.</marc:subfield>
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      <marc:subfield code="a">Water quality management</marc:subfield>
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      <marc:subfield code="z">Provinces des Prairies.</marc:subfield>
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      <marc:subfield code="x">Mesure.</marc:subfield>
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      <marc:subfield code="a">Prairie Provinces Water Board (Canada). </marc:subfield>
      <marc:subfield code="b">Committee on Water Quality, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">Prairie Provinces Water Board report ;</marc:subfield>
      <marc:subfield code="v"># 182.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.883981</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_2025/eccc/en36/En36-523-182-eng.pdf</marc:subfield>
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