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    <marc:controlfield tag="001">9.695389</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20210624234543</marc:controlfield>
    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">150407|1995||||xxc|||||o    f|0| 0 eng|d</marc:controlfield>
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      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
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      <marc:subfield code="a">n-cn---</marc:subfield>
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      <marc:subfield code="a">H46-2/95-197E-PDF</marc:subfield>
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      <marc:subfield code="a">Canada.</marc:subfield>
      <marc:subfield code="b">Health Canada. </marc:subfield>
      <marc:subfield code="b">Environmental Health Directorate.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="2">
      <marc:subfield code="a">A national survey of chlorinated disinfection by-products in Canadian drinking water / </marc:subfield>
      <marc:subfield code="h">[electronic resource]</marc:subfield>
      <marc:subfield code="c">[by David T. Williams, Guy L. LeBel and Frank M. Benoit]. </marc:subfield>
    </marc:datafield>
    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">Ottawa - Ontario : </marc:subfield>
      <marc:subfield code="b">Health Canada. </marc:subfield>
      <marc:subfield code="c">1995.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">18, 8, 54p.</marc:subfield>
      <marc:subfield code="b">graphs, references, tables</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"The study was designed to determine the concentrations of halogenated disinfection by-production in Canadian drinking water supplies where chlorine was used at some stage in the treatment process. The effects of applied disinfectants (chlorine, chloramine and ozone), seasonal variation (winter and summer) and spatial variation (treatment plant and distribution system) were examined."--Page 3.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">The catalogue number (H46-2/95-197E) and ISBN (0-662-24295-5) for the print edition have been incorrectly copied in this electronic publication.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">The study was designed to determine the concentrations of halogenated disinfection by-production in Canadian drinking water supplies where chlorine was used at some stage in the treatment process. The effects of applied disinfectants (chlorine, chloramine and ozone), seasonal variation (winter and summer) and spatial variation (treatment plant and distribution system) were examined.--Page 3</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="590" ind1=" " ind2=" ">
      <marc:subfield code="a">12-12-Supp</marc:subfield>
      <marc:subfield code="b">2012-03-28</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="690" ind1="0" ind2="7">
      <marc:subfield code="a">Drinking water</marc:subfield>
      <marc:subfield code="2">gcpds</marc:subfield>
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    <marc:datafield tag="690" ind1="0" ind2="7">
      <marc:subfield code="a">Water management</marc:subfield>
      <marc:subfield code="2">gcpds</marc:subfield>
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    <marc:datafield tag="690" ind1="0" ind2="7">
      <marc:subfield code="a">Water quality</marc:subfield>
      <marc:subfield code="2">gcpds</marc:subfield>
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      <marc:subfield code="a">Williams, David T.</marc:subfield>
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      <marc:subfield code="a">Lebel, Guy L.</marc:subfield>
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      <marc:subfield code="a">Benoit, Frank M.</marc:subfield>
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      <marc:subfield code="t">Étude nationale sur les sous-produits de désinfection chlorés dans l'eau potable au Canada / </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.639528</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="776" ind1="0" ind2="#">
      <marc:subfield code="t">A national survey of chlorinated disinfection by-products in Canadian drinking water / </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.646159</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="a">http://publications.gc.ca</marc:subfield>
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">164 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/Collection/H46-2-95-197E-3.pdf</marc:subfield>
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      <marc:subfield code="a">http://publications.gc.ca</marc:subfield>
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">186 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/Collection/H46-2-95-197E-1.pdf</marc:subfield>
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      <marc:subfield code="a">http://publications.gc.ca</marc:subfield>
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">41 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/Collection/H46-2-95-197E-2.pdf</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="986" ind1=" " ind2=" ">
      <marc:subfield code="a">95-EHD-197</marc:subfield>
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