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      <marc:subfield code="a">Guidelines for Canadian recreational water quality : </marc:subfield>
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      <marc:subfield code="c">©2022</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Recommandations au sujet de la qualité des eaux utilisées à des fins récréatives au Canada : caractéristiques physiques, esthétiques et chimiques : document technique.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 21-24).</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2022/sc-hc/H144-105-2022-eng.pdf</marc:subfield>
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