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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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      <marc:subfield code="a">En42-1/5-1E-PDF</marc:subfield>
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      <marc:subfield code="a">En49-8/5-1</marc:subfield>
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      <marc:subfield code="a">Ross, S. A., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Operation and maintenance costs for municipal wastewater treatment facilities in Canada - 1980 / </marc:subfield>
      <marc:subfield code="c">by S.A. Ross, M.G. Boivin and D.L. Caverson.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa, Ontario, Canada : </marc:subfield>
      <marc:subfield code="b">Environment Canada, Environmental Protection Service = Environnement Canada, Service de la protection de l'environnement, </marc:subfield>
      <marc:subfield code="c">1984.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©1984</marc:subfield>
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      <marc:subfield code="a">1 online resource (vi, 26 pages) : </marc:subfield>
      <marc:subfield code="b">illustrations.</marc:subfield>
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      <marc:subfield code="a">text</marc:subfield>
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      <marc:subfield code="2">rdacontent</marc:subfield>
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      <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:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">Environmental Protection Service report series</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Issued also in French under title: Coûts d'exploitation et d'entretien des installations de traitement des eaux usées municipals - 1980.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"Report EPS 5/UP/1."</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"December 1984."</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 21).</marc:subfield>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"Operating and maintenance cost data were collected at 52 municipal wastewater treatment facilities in Canada in 1981. Facilities surveyed included primary treatment plants, secondary treatment plants and aerated and facultative lagoon systems. Cost data presented in this report are in 1980 dollars"--Abstract, page iii.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Sewage disposal plants</marc:subfield>
      <marc:subfield code="z">Canada</marc:subfield>
      <marc:subfield code="x">Cost of operation</marc:subfield>
      <marc:subfield code="v">Statistics.</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Sewage disposal plants</marc:subfield>
      <marc:subfield code="z">Canada</marc:subfield>
      <marc:subfield code="x">Maintenance and repair</marc:subfield>
      <marc:subfield code="x">Costs</marc:subfield>
      <marc:subfield code="v">Statistics.</marc:subfield>
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      <marc:subfield code="a">Statistics</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environmental Protection Service, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environmental Protection Directorate. </marc:subfield>
      <marc:subfield code="b">Industrial Programs Branch, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">Environmental Protection Service report series.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.866031</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.08 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2022/eccc/en42/En42-1-5-1-eng.pdf</marc:subfield>
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