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      <marc:subfield code="a">Gaskin, James E., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">Quality assurance in water quality monitoring / </marc:subfield>
      <marc:subfield code="c">James E. Gaskin,</marc:subfield>
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      <marc:subfield code="a">Ottawa, Ontario : </marc:subfield>
      <marc:subfield code="b">[Environment Canada], </marc:subfield>
      <marc:subfield code="c">[1993]</marc:subfield>
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      <marc:subfield code="c">©1993</marc:subfield>
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      <marc:subfield code="a">1 online resource (1 volume, various paginations) : </marc:subfield>
      <marc:subfield code="b">illustrations</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Assurance de la qualité dans le contrôle de la qualité des eaux.</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada]</marc:subfield>
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      <marc:subfield code="6">Includes bibliographic references.</marc:subfield>
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      <marc:subfield code="a">Foreword -- Part I Quality assurance management plan / James E. Gaskin -- Part II Quality assurance principles and guidelines for water quality sampling / James E. Gaskin -- Part III Quality assurance in the national water quality laboratory / Haig Agemian -- Part IV A manual for effective interlaboratory  quality assurance / K.I. Aspila -- Part V Quality assurance guidelines and principles for the handling and management of water quality data  -- Part VI General glossary.</marc:subfield>
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      <marc:subfield code="a">"Quality assurance (QA) impacts on all phases of research and data-gathering activities. It ensures that the study design is optimum prior to implementation and that studies are implemented as designed. The existence of quality control (QC) guidelines and procedures ensures that the data produced are suitable for the intended use. The Water Quality Branch's QA management plan assigns formal responsibility andaccountability to managers and staff to develop and implement a comprehensive and verifiable QAprogram for all water quality monitoring programs, including federal-provincial water quality monitoring activities. The QA management plan requires the preparation of individual QA plans that provide detailedguidelines for the implementation of the aforementioned policies. Compliance with these policies and guidelines contributes significantly to the credibility of the research and monitoring performed and tothe efficient use of available resources." -- Executive summary, page vi.</marc:subfield>
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      <marc:subfield code="a">Water quality management</marc:subfield>
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      <marc:subfield code="a">Water quality</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Inland Waters Directorate. </marc:subfield>
      <marc:subfield code="b">Water Quality Branch, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="t">Assurance de la qualité dans le contrôle de la qualité des eaux.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">159263 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2026/eccc/en40/En40-448-1993-eng.pdf</marc:subfield>
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