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  2. Managing the Quality of Environmental Information

Guidance for Data Quality Assessment

Demonstrates how to use data quality assessment in evaluating environmental data sets and illustrates how to apply some graphical and statistical tools for performing DQA.

  • Guidance for Data Quality Assessment: Practical Methods for Data Analysis: EPA QA/G9: QA00 Update: July 2000 (pdf) (4.28 MB)
    Demonstrates how to use data quality assessment in evaluating environmental data sets and illustrates how to apply some graphical and statistical tools for performing DQA.
  • Data Quality Assessment: A Reviewer's Guide (EPA QA/G-9R) (pdf) (1.07 MB, 240-B-06-002)
    Guidance for Data Quality Assessment
  • Data Quality Assessment: Statistical Methods for Practitioners (EPA QA/G-9S) (pdf) (21.38 MB, 240-B-06-003)
    Guidance for Data Quality Assessment

Managing the Quality of Environmental Information

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Contact Us About the Quality Program
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 13, 2025
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