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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="z">En49-5/1-5</marc:subfield>
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      <marc:subfield code="a">Carbonneau, Jean M., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Environmental code of practice on halons / </marc:subfield>
      <marc:subfield code="c">Jean M. Carbonneau, Ozone Protection Programs Section, Commercial Chemicals Evaluation Branch.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa, Ontario : </marc:subfield>
      <marc:subfield code="b">Ozone Protection Programs Section, </marc:subfield>
      <marc:subfield code="c">[1996]</marc:subfield>
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      <marc:subfield code="a">1 online resource (vii, 29 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>
      <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">[Environmental protection series] ; </marc:subfield>
      <marc:subfield code="v">[EPS 1/RA/3/E]</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Issued also in French under title: Code d'usages environnementaux sur les halons.</marc:subfield>
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      <marc:subfield code="a">Cover title.</marc:subfield>
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      <marc:subfield code="a">"C96-980308-7E."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"The objective of this Environmental Code of Practice on Halons is to protect the ozone layer, through measures to reduce, and eventually eliminate, halon emissions to the atmosphere. This Code of Practice is intended for halon owners and users. This code is designed to provide direction on managing halon stocks in a manner that takes into consideration the environmental concerns regarding the depletion of the ozone layer"--Abstract, page iv.</marc:subfield>
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      <marc:subfield code="a">Issued also in print format.</marc:subfield>
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      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</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="t">Code d'usages environnementaux sur les halons / </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.607973</marc:subfield>
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      <marc:subfield code="a">Report (Canada. Environment Canada)</marc:subfield>
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      <marc:subfield code="w">(CaOODSP)9.500159</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">100 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/En49-5-1-5-eng.pdf</marc:subfield>
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