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      <marc:subfield code="a">Issued also in French under title: L’évaluation des risques pour les sites contaminés fédéraux au Canada : guide supplémentaire sur l’évaluation des risques pour la santé humaine liés à la qualité de l’air, version 2.0.</marc:subfield>
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      <marc:subfield code="a">“The purpose of this guidance document is to prescribe, to the degree possible, standard exposure pathways, receptor characteristics, toxicological reference values and other parameters required to quantitatively assess the potential chemical exposures and risks to human health from chemicals that may occur in air at contaminated sites under federal jurisdiction”--Purppose, p. 1.</marc:subfield>
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