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The evaluation of methods for creating defensible, repeatable, objective and accurate tolerance values for aquatic taxa /

Bibliographic Details
Main Author: Blocksom, Karen A.
Corporate Author: National Exposure Research Laboratory (U.S.)
Other Authors: Winters. Lori
Format: Government Document eBook
Language:English
Published: Cincinnati, OH : U.S. Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, [2006]
Subjects:
Aquatic invertebrates > Effect of water quality on.
Water quality.
Water > Analysis.
Online Access:https://purl.fdlp.gov/GPO/LPS86161
Description
Item Description:Title from title screen (viewed Sept. 19, 2007).
"May 2006."
"EPA 600/R-06/045."
Electronic resource.
Physical Description:xiii, 52 pages : digital, PDF file.
Format:Mode of access: Internet from the EPA web site. Address as of 9/19/2007: http://www.epa.gov/eerd/pdf/TolValuesReport%5FEPA600-R06-045.pdf; current access is available via PURL.