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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20200330130015</marc:controlfield>
    <marc:controlfield tag="007">ta</marc:controlfield>
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      <marc:subfield code="a">Canada.</marc:subfield>
      <marc:subfield code="b">Health and Welfare Canada. </marc:subfield>
      <marc:subfield code="b">Health Protection Branch.</marc:subfield>
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      <marc:subfield code="a">Guidelines for Canadian recreational water quality / </marc:subfield>
      <marc:subfield code="c">Prepared by the Federal-Provincial Working Group on Recreational Water Quality of the Federal-Provincial Advisory Committee on Environmental and Occupational Health. </marc:subfield>
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      <marc:subfield code="a">Ottawa - Ontario : </marc:subfield>
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      <marc:subfield code="c">1992.</marc:subfield>
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      <marc:subfield code="a">101p. : </marc:subfield>
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      <marc:subfield code="a">Industrial and municipal waste are posing an increasing threat to recreational water. These revised guidelines deal with the microbiological, physical and chemical health hazards to recreational water use. Prepared by the Working Group of the Federal-Provincial Advisory Committee on Environmental and Occupational Health, information is provided on microbiological characteristics, nuisance organisms and microbiological sampling and analysis.</marc:subfield>
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      <marc:subfield code="a">Water quality</marc:subfield>
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      <marc:subfield code="t">Recommandations au sujet de la qualité des eaux utilisées à des fins récréatives au Canada / </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.678339</marc:subfield>
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    <marc:datafield tag="776" ind1="0" ind2="#">
      <marc:subfield code="t">Guidelines for Canadian recreational water quality </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.695407</marc:subfield>
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