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      <marc:subfield code="a">Regulatory requirements for nutrient effluent discharges / </marc:subfield>
      <marc:subfield code="c">prepared for the Northern River Basins Study under project 2602-B1 by Sentar Consultants Ltd.</marc:subfield>
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      <marc:subfield code="c">1994.</marc:subfield>
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      <marc:subfield code="a">Northern River Basins Study project report, </marc:subfield>
      <marc:subfield code="y">1192-3571 ; </marc:subfield>
      <marc:subfield code="v">no. 39</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">"June 1994."</marc:subfield>
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      <marc:subfield code="a">"This review includes both the instream water quality objectives for the nutrients, nitrogen and phosphorus, and the limits for phosphorus and nitrogen (as a nutrient) specified in effluent permits and regulations. The review concentrates on the Peace, Athabasca and Slave Rivers, but the scope also includes Alberta, Canada, and other jurisdictions. Regulatory information pertaining to pulp and paper mill effluents is emphasized"--Report summary.</marc:subfield>
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      <marc:subfield code="a">Eau</marc:subfield>
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      <marc:subfield code="z">Canada.</marc:subfield>
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      <marc:subfield code="a">Eaux usées</marc:subfield>
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      <marc:subfield code="z">Canada.</marc:subfield>
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      <marc:subfield code="a">Pâte à papier</marc:subfield>
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      <marc:subfield code="x">Aspect de l'environnement</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
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      <marc:subfield code="a">Northern River Basins Study (Canada)‏, </marc:subfield>
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      <marc:subfield code="a">Sentar Consultants, </marc:subfield>
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      <marc:subfield code="t">Regulatory requirements for nutrient effluent discharges / </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.611293</marc:subfield>
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      <marc:subfield code="a">Northern River Basins Study project report ;</marc:subfield>
      <marc:subfield code="v">no. 39.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.883506</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/r71/R71-49-3-39-eng.pdf</marc:subfield>
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