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      <marc:subfield code="a">Pelletier, M. </marc:subfield>
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      <marc:subfield code="a">Sediment quality status of Lake Saint-Louis in 2015 / </marc:subfield>
      <marc:subfield code="c">prepared by Magella Pelletier.</marc:subfield>
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      <marc:subfield code="a">[Gatineau, Quebec] : </marc:subfield>
      <marc:subfield code="b">Environment and Climate Change Canada ; </marc:subfield>
      <marc:subfield code="a">[Québec] : </marc:subfield>
      <marc:subfield code="b">Environnement et de la lutte contre les changements climatiques du Québec, </marc:subfield>
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      <marc:subfield code="a">Caption title.</marc:subfield>
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      <marc:subfield code="a">Issued also in HTML format.</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: État de la qualité des sédiments du lac Saint-Louis en 2015.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page [9]).</marc:subfield>
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      <marc:subfield code="a">"Lake Saint-Louis was a major industrial hub for Quebec in the middle of the 20th century. With the opening of the St. Lawrence Seaway and construction of the Beauharnois hydroelectric dam, the upstream part of Lake Saint-Louis became heavily industrialized, and its aquatic environment has been severely impacted by discharges of toxic contaminants"--Issue, page 2.</marc:subfield>
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      <marc:subfield code="t">État de la qualité des sédiments du lac Saint-Louis en 2015 / </marc:subfield>
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