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Chemical Method Evaluation Guidance

EMAP Research Documents
prepared by
Gary Collins
Aquatic Research Division
National Exposure Research Laboratory
U.S. Environmental Protection Agency
Cincinnati, Ohio 45268

edited by
Shannon Fink
Cincinnati, Ohio 45268

PDF File

View the document (87 pp, 472 KB, about PDF)


This document has been prepared to assist scientists and managers in selecting and evaluating chemical laboratory measurement methods for producing EMAP data. It is the first in a series of documents intended to ensure that the methods used to generate EMAP data will provide the quality required of the task. Subsequent documents in this series will provide guidance for use when evaluating biological laboratory methods, field measurement methods, and field collection methods. Each evaluation guidance document will provide guidance for use in determining if:

  1. method documentation is adequate to meet the needs of EMAP and
  2. a method produces data of sufficient quality to meet the needs of EMAP.

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