<?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">9.878385</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20241203113651</marc:controlfield>
    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">190822s1993    oncb   #ob   f100 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>
    </marc:datafield>
    <marc:datafield tag="043" ind1=" " ind2=" ">
      <marc:subfield code="a">n-cn---</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">En13-5/93-27E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Kaiser, Klaus L. E., </marc:subfield>
      <marc:subfield code="d">1941- </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Volatile halocarbons as indicators of industrial pollution in surface waters / </marc:subfield>
      <marc:subfield code="c">Klaus L.E. Kaiser and M.E. Comba.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario, Canada : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute, Lakes Research Branch, </marc:subfield>
      <marc:subfield code="c">[1993]</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (8, 3 pages) : </marc:subfield>
      <marc:subfield code="b">maps.</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>
    </marc:datafield>
    <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>
    </marc:datafield>
    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">93-27</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"Submitted to: Proceedings of TOCOEN '93 Toxic Organic Compounds in the Environment, June 1-3, 1993, Znojmo, Czech Republic."</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="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (pages 6-8).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"Increased levels of volatile halocarbons in surface waters, in particular such compounds as di-, tri-, and tetrachloro-ethanes, -ethylenes, and -methanes are typically associated with increased levels of other organic and inorganic contaminants from industrial origins. As there are comparatively simple sample collection, processing and analytical methods available, their determination can help to reduce the cost of surveys to find hotspots and/or sources of contamination. This work reviews some recent findings and relates them to other environmental data and conditions"--Abstract, page 2.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="692" ind1="0" ind2="7">
      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Surface water</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="692" ind1="0" ind2="7">
      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Pollution</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="692" ind1="0" ind2="7">
      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Environmental indicators</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="700" ind1="1" ind2=" ">
      <marc:subfield code="a">Comba, M. E., </marc:subfield>
      <marc:subfield code="e">author.</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:subfield code="b">Lakes Research Branch.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
      <marc:subfield code="v">93-27.</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">1.17 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-93-27-eng.pdf</marc:subfield>
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