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      <marc:subfield code="a">Federal contaminated site risk assessment  in Canada : </marc:subfield>
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      <marc:subfield code="a">Toxicological reference values (TRVs)</marc:subfield>
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      <marc:subfield code="a">Version 3.0.</marc:subfield>
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      <marc:subfield code="c">March 2021.</marc:subfield>
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      <marc:subfield code="c">©2021</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: L'évaluation des risques pour les sites contaminés fédéraux du Canada : valeurs toxicologiques de référence (VTR).</marc:subfield>
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      <marc:subfield code="a">"Pub.: 200301."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references. </marc:subfield>
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      <marc:subfield code="a">"This document is part of a series of guidance documents published by HC for use in assessment of human health risks at federal contaminated sites in Canada. TRVs are parameters used to quantitatively assess potential human health risks associated with exposure to environmental contaminants and are published by a variety of nationaland international agencies for the purpose of characterizing toxicity of substances"--Introduction, page 5.</marc:subfield>
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      <marc:subfield code="t">L'évaluation des risques pour les sites contaminés fédéraux du Canada : </marc:subfield>
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      <marc:subfield code="t">Federal contaminated site risk assessment  in Canada : </marc:subfield>
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      <marc:subfield code="t">Federal contaminated site risk assessment in Canada, Part II : </marc:subfield>
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