<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="008">190416s1999    oncd   #ot   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">En13-5/99-203E-PDF</marc:subfield>
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    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Zanini, L. </marc:subfield>
      <marc:subfield code="q">(Lavinia)</marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Investigation of radial diffusion in dolostone core samples from the Lockport formation, Smithville, Ontario : </marc:subfield>
      <marc:subfield code="b">phase II / </marc:subfield>
      <marc:subfield code="c">by: Lavinia Zanini, Kent Novakowski and Greg Bickerton.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="246" ind1="1" ind2="4">
      <marc:subfield code="a">Investigation of radial diffusion in dolostone core samples from the Lockport formation, Smythville, Ontario :</marc:subfield>
      <marc:subfield code="b">phase II</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute, Environment Canada, </marc:subfield>
      <marc:subfield code="c">1999.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (iv, 37 pages) : </marc:subfield>
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      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="2">rdacarrier</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">99-203</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>
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      <marc:subfield code="a">"January, 1999."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"Dolostone samples from the geological units which comprise the Lockport Formation, were collected from core samples obtained from boreholes drilled near Smithville, Ontario. These samples were used in forward and reverse diffusion tracer experiment to estimate the effective porosity of the dolostone units and determine the effective diffusion coefficients, and thus a geometric factor, for specific chemical tracers. The experiments were conducted using radial diffusion cells of various dimensions"--Abstract.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Water pollution</marc:subfield>
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    <marc:datafield tag="700" ind1="1" ind2=" ">
      <marc:subfield code="a">Novakowski, Kent S., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="700" ind1="1" ind2=" ">
      <marc:subfield code="a">Bickerton, Gregory S., </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
      <marc:subfield code="v">99-203.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.844121</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.77 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-99-203-eng.pdf</marc:subfield>
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