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      <marc:subfield code="a">Guidelines for Canadian drinking water quality : </marc:subfield>
      <marc:subfield code="b">guideline technical document : barium.</marc:subfield>
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      <marc:subfield code="a">Ottawa, Ontario : </marc:subfield>
      <marc:subfield code="b">Health Canada = Santé Canada, </marc:subfield>
      <marc:subfield code="c">2020.</marc:subfield>
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      <marc:subfield code="c">©2020</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Recommandations pour la qualité de l'eau potable au Canada : document technique : le baryum.</marc:subfield>
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      <marc:subfield code="a">"January, 2020."</marc:subfield>
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      <marc:subfield code="a">"Pub.: 190280."</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">Includes bibliographical references (pages 40-50).</marc:subfield>
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      <marc:subfield code="a">"This guideline technical document reviews and assesses all identified health risks associated with barium in drinking water. It assesses new studies and approaches and takes into consideration the availability of appropriate treatment technology. Based on this review, the guideline for barium in drinking water is a maximum acceptable concentration of 2 mg/L"--Executive summary, page 1.</marc:subfield>
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      <marc:subfield code="a">Barium</marc:subfield>
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      <marc:subfield code="t">Recommandations pour la qualité de l'eau potable au Canada : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.877799</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_2020/sc-hc/H144-13-16-2019-eng.pdf</marc:subfield>
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      <marc:subfield code="q">HTML</marc:subfield>
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      <marc:subfield code="u">https://www.canada.ca/en/health-canada/services/publications/healthy-living/guidelines-canadian-drinking-water-quality-guideline-technical-document-barium.html</marc:subfield>
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