<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="001">9.881997</marc:controlfield>
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      <marc:subfield code="a">Ross, P. D. </marc:subfield>
      <marc:subfield code="q">(Paul D.)</marc:subfield>
      <marc:subfield code="e">author, </marc:subfield>
      <marc:subfield code="e">consultant.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Overview of the ready mix concrete industry in British Columbia : </marc:subfield>
      <marc:subfield code="b">water and waste management practices / </marc:subfield>
      <marc:subfield code="c">by P.D. Ross and R.B. Shepherd.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">West Vancouver, British Columbia : </marc:subfield>
      <marc:subfield code="b">Environment Canada, Conservation and Protection, Environmental Protection, Pacific &amp; Yukon Region, </marc:subfield>
      <marc:subfield code="c">1988.</marc:subfield>
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      <marc:subfield code="a">1 online resource (vi, 45 pages, 59 unnumbered pages) : </marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">Regional program report ; </marc:subfield>
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      <marc:subfield code="a">"June, 1988."</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 45).</marc:subfield>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"Ready mix concrete operations generate high pH and suspended solids wastewaters which are often unacceptable for direct discharge to surface waters. This report presents an overview of the ready mix industry including wastewater treatment and recycling practices, based on a review of the literature and visits to 17 plants in the Greater Vancouver area. Recommendations are made for improved management of process and storm waters, as well as waste solids"--Abstract, page i.</marc:subfield>
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      <marc:subfield code="a">Issued also in print format.</marc:subfield>
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      <marc:subfield code="a">Includes abstracts in English and French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Canada. </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">Pacific and Yukon Region.</marc:subfield>
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      <marc:subfield code="a">Regional program report (Canada. Environment Canada)</marc:subfield>
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      <marc:subfield code="w">(CaOODSP)9.881335</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">3.68 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en40-240-1/En40-240-1-88-03-eng.pdf</marc:subfield>
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