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    <marc:controlfield tag="008">160516s2015    oncd    ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">n-cn---</marc:subfield>
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      <marc:subfield code="a">H144-32/2015E-PDF</marc:subfield>
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      <marc:subfield code="a">pH of drinking water </marc:subfield>
      <marc:subfield code="h">[electronic resource] : </marc:subfield>
      <marc:subfield code="b">document for public comment / </marc:subfield>
      <marc:subfield code="c">prepared by the Federal-Provincial-Territorial Committee on Drinking Water.</marc:subfield>
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    <marc:datafield tag="246" ind1="1" ind2="6">
      <marc:subfield code="a">pH of drinking water : document for public consultation</marc:subfield>
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    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Health Canada, </marc:subfield>
      <marc:subfield code="c">2015.</marc:subfield>
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      <marc:subfield code="a">iii, 42 p. : </marc:subfield>
      <marc:subfield code="b">charts</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Issued also in French under title: Le pH de l’eau potable : document de consultation publique.</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Cover title.</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">“Consultation period ends March 16, 2015.”</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"January 2015."</marc:subfield>
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    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (p. 29-40).</marc:subfield>
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      <marc:subfield code="a">""The Federal-Provincial-Territorial Committee on Drinking Water (CDW) has assessed the available information on pH with the intent of updating its drinking water guideline. The purpose of this consultation is to solicit comments on the proposed guideline and on the approach used for its development. The existing guideline for pH, established in 1979, recommended an acceptable range based primarily on minimizing corrosion. The guideline was based on the knowledge and understanding of corrosion at the time of development. Since that time, the knowledge base of corrosion control has dramatically advanced and improved. This updated document recognizes this new science and widens the range of acceptable pH to allow systems to determine the most appropriate level for their specific water quality and treatment processes, while minimizing the release of metals that could affect human health throughout the distribution system. The CDW has requested that this document be made available to the public and open for comment. Comments are appreciated, with accompanying rationale, where required"--Purpose of consultation, p. 1.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Health Canada.</marc:subfield>
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      <marc:subfield code="a">Federal-Provincial-Territorial Committee on Drinking Water (Canada)</marc:subfield>
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    <marc:datafield tag="775" ind1="0" ind2="8">
      <marc:subfield code="t">Le pH de l'eau potable </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.817706</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">619 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2016/sc-hc/H144-32-2015-eng.pdf</marc:subfield>
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