<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
  <marc:record>
    <marc:leader>00000nam  2200000za 4500</marc:leader>
    <marc:controlfield tag="001">9.849505</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20241203113641</marc:controlfield>
    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">180104s1986    onca|||fo|   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:datafield>
    <marc:datafield tag="041" ind1=" " ind2=" ">
      <marc:subfield code="a">eng</marc:subfield>
      <marc:subfield code="b">fre</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="043" ind1=" " ind2=" ">
      <marc:subfield code="a">n-cn-on</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">En13-5/86-100E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Lau, Y. L.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Investigations of the behaviour of perchloroethylene and source of trace organics in the St. Clair River </marc:subfield>
      <marc:subfield code="h">[electronic resource] / </marc:subfield>
      <marc:subfield code="c">by Y.L. Lau, J. Marsalek and B.G. Krishnappan.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">Burlington, Ont. : </marc:subfield>
      <marc:subfield code="b">Environmental Hydraulics Section, Hydraulics Division, National Water Research Institute, Canada Centre for Inland Waters,</marc:subfield>
      <marc:subfield code="c">1986.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">13, [7] p. </marc:subfield>
    </marc:datafield>
    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">86-100</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"January 1986".</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="520" ind1="0" ind2=" ">
      <marc:subfield code="a">"As part of the effort by the National Water Research Institute to investigate the source of the tarry substances found on the bottom of the St. Clair River, some studies were carried out by the Hydraulics Division. These included observations of the movement of perchloroethylene (PERC) and its dissolution rate in the laboratory, calculations of the sediment transport capacity and properties of sand waves, calculations of dispersion from point sources and evaluation of trace organics in the urban runoff. These investigations and the results are presented in this report"--Introd., p. 1.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes abstract and management perspective in French.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="692" ind1="0" ind2="7">
      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Pollutants</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="692" ind1="0" ind2="7">
      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Hydrology</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="692" ind1="0" ind2="7">
      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Water quality</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="700" ind1="1" ind2=" ">
      <marc:subfield code="a">Krishnappan, B. G., </marc:subfield>
      <marc:subfield code="d">1943-</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="700" ind1="1" ind2=" ">
      <marc:subfield code="a">Marsalek, J.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
      <marc:subfield code="v">no. 86-100</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.844121</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.57 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2018/eccc/En13-5-86-100-eng.pdf</marc:subfield>
    </marc:datafield>
  </marc:record>
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