<?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">190128s1986    onc     o    f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="a">Xu, Hao, </marc:subfield>
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      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">ATP-TOX system - a bacterial toxicity screening procedure / </marc:subfield>
      <marc:subfield code="c">by Hao Xu and B.J. Dutka.</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, Canada Centre for Inland Waters, </marc:subfield>
      <marc:subfield code="c">1986.</marc:subfield>
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      <marc:subfield code="a">1 online resource (15 pages).</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">86-95</marc:subfield>
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      <marc:subfield code="a">Cover title.</marc:subfield>
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      <marc:subfield code="a">"Control no. AM314."</marc:subfield>
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      <marc:subfield code="a">"April 1986."</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"When rapidly growing bacterial cells are exposed to low concentrations of toxicants, growth inhibition usually occurs. However, some toxicants not only inhibit bacterial growth but also affect the luciferase activity during ATP determinations. Thus, the observed light output reduction of a test bacterial system is the net result of both bacterial growth and luciferase inhibition. Based on this information, a new toxicity screening test was developed, the ATP-TOX System"--Abstract.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes executive summary and abstract in French.</marc:subfield>
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    <marc:datafield tag="693" ind1=" " ind2="4">
      <marc:subfield code="a">Bacteria--Effect of water pollution on</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="693" ind1=" " ind2="4">
      <marc:subfield code="a">Toxicity testing</marc:subfield>
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      <marc:subfield code="a">Dutka, B. J., </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada.</marc:subfield>
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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>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">789 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/En13-5-86-95-eng.pdf</marc:subfield>
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