<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:leader>00000nam  2200000zi 4500</marc:leader>
    <marc:controlfield tag="001">9.889810</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20221107172412</marc:controlfield>
    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr bn|||||||||</marc:controlfield>
    <marc:controlfield tag="008">200724s1993    onca    ob   f000 0 eng d</marc:controlfield>
    <marc:datafield tag="040" ind1=" " ind2=" ">
      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
      <marc:subfield code="e">rda</marc:subfield>
      <marc:subfield code="c">CaOODSP</marc:subfield>
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    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">En84-166/1993E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="0" ind2="0">
      <marc:subfield code="a">Assessing the effects of hydraulic load reductions on wastewater treatment plant performance : </marc:subfield>
      <marc:subfield code="b">final report / </marc:subfield>
      <marc:subfield code="c">prepared for Environment Canada, Great Lakes Pollution Prevention Branch, Conservation and Protection, Ontario Region ; prepared by Hydromantis, Inc.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="246" ind1="1" ind2="4">
      <marc:subfield code="a">Assessing the effects of hydraulic load reductions on wastewater treatment plant performance : </marc:subfield>
      <marc:subfield code="b">a comprehensive study : final report</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Toronto, Ontario : </marc:subfield>
      <marc:subfield code="b">Environment Canada, Great Lakes Pollution Prevention Branch, Conservation and Protection, Ontario Region, </marc:subfield>
      <marc:subfield code="c">1993.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (1 volume (various pagings)) : </marc:subfield>
      <marc:subfield code="b">illustrations</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="336" ind1=" " ind2=" ">
      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
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    <marc:datafield tag="337" ind1=" " ind2=" ">
      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
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    <marc:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"March, 1993."</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"Project No. 200-04."</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Some pages rotated in this copy.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"The purpose of this study is to examine the effects of hydraulic load reduction on long term wastewater treatment plant performance. Specifically, the main objectives of the study were to: 1. Develop a comprehensive method of analysis of wastewater treatment plant flows. This involved the development of a flow disaggregation model designed to extract the various dynamic flow components (i.e., sanitary flow, dry weather infiltration, rainfall derived infiltration, and stormwater inflow) entering a wastewater treatment plant. 2. Study the effects of flow reduction and flow management programs on long term wastewater treatment plant performance. 3. Conduct an economic analysis to assess the benefits and impacts of a comprehensive flow reduction and management program"--Executive summary.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="530" ind1=" " ind2=" ">
      <marc:subfield code="a">Issued also in print format.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Sewage disposal plants</marc:subfield>
      <marc:subfield code="x">Efficiency.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Sewage</marc:subfield>
      <marc:subfield code="x">Purification.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Eaux usées</marc:subfield>
      <marc:subfield code="x">Stations de traitement</marc:subfield>
      <marc:subfield code="x">Rendement.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Eaux usées</marc:subfield>
      <marc:subfield code="x">Épuration.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Conservation and Protection. </marc:subfield>
      <marc:subfield code="b">Ontario Region, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Hydromantis Inc., </marc:subfield>
      <marc:subfield code="e">consultant.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">8.96 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2020/eccc/en84/En84-166-1993-eng.pdf</marc:subfield>
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