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      <marc:subfield code="a">En83-10/1-60-2019E-PDF</marc:subfield>
      <marc:subfield code="z">En83-10/1-60-2019E</marc:subfield>
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    <marc:datafield tag="245" ind1="0" ind2="0">
      <marc:subfield code="a">Biological test method : </marc:subfield>
      <marc:subfield code="b">reference method for determining acute lethality using Acartia tonsa.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="246" ind1="1" ind2="0">
      <marc:subfield code="a">Reference method for determining acute lethality using Acartia tonsa</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa, Ontario : </marc:subfield>
      <marc:subfield code="b">Environment and Climate Change Canada, Science and Technology Branch, Method Development and Applications Unit, </marc:subfield>
      <marc:subfield code="c">2019.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©2019</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (xiv, 48 pages) : </marc:subfield>
      <marc:subfield code="b">photographs.</marc:subfield>
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      <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:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
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    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">Reference method ; </marc:subfield>
      <marc:subfield code="v">STB 1/RM/60</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"June 2019."</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Issued also in French under title: Méthode d’essai biologique : méthode de référence pour la détermination de la létalité aiguë chez le copépode Acartia tonsa.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (pages 29-32).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"Explicit standard or reference methods for measuring the acute lethal toxicity of effluents to the marine copepod Acartia tonsa are described in this report. Specific instructions are provided for performing acute lethality tests with effluent samples having a salinity of &gt; 4 g/kg discharging directly to estuarine or marine receiving waters"--Abstract, page iii.</marc:subfield>
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    <marc:datafield tag="530" ind1=" " ind2=" ">
      <marc:subfield code="a">Issued also in printed form.</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Water quality bioassay</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Acute toxicity testing</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Acartia</marc:subfield>
      <marc:subfield code="x">Effect of water pollution on</marc:subfield>
      <marc:subfield code="z">Canada</marc:subfield>
      <marc:subfield code="x">Testing.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment and Climate Change Canada. </marc:subfield>
      <marc:subfield code="b">Science and Technology Branch.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Environmental Science and Technology Centre (Canada). </marc:subfield>
      <marc:subfield code="b">Method Development and Applications Unit.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="775" ind1="0" ind2="8">
      <marc:subfield code="t">Méthode d’essai biologique : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.877228</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="776" ind1="0" ind2="#">
      <marc:subfield code="t">Biological test method : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.878248</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Report. [Reference methods]</marc:subfield>
      <marc:subfield code="v">STB 1/RM/60.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.854813</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">2.05 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/En83-10-1-60-2019-eng.pdf</marc:subfield>
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