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      <marc:subfield code="a">Guidelines for Canadian drinking water quality : </marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Recommandations pour la qualité de l'eau potable au Canada : document technique - le plomb.</marc:subfield>
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      <marc:subfield code="a">Issued by: Water and Air Quality Bureau.</marc:subfield>
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      <marc:subfield code="a">"This guideline technical document reviews and assesses all identified health risks associated with lead in drinking water. It assesses new studies and approaches and takes into consideration the availability and limitations of appropriate treatment and analytical technologies. The information contained in this document is complementary to that found in Guidance on Controlling Corrosion in Drinking Water Distribution Systems"--Executive summary.</marc:subfield>
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