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United States Environmental Protection Agency
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Items Found: 21
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Your Search: (SUBJECT=Biological criteria)
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Bioindicators for assessing ecological integrity of prairie wetlands /
Biological criteria : guide to technical literature /
Biological criteria : national program guidance for surface waters.
Biological criteria : state development and implementation efforts.
Biological criteria : technical guidance for streams and small rivers /
Biological criteria development for large rivers with an emphasis on an assessment of the White River drainage, Indiana /
Biological Criteria: Technical Guidance for Streams and Small Rivers.
Coral reef biological criteria : using the Clean Water Act to protect a national treasure /
Development of Biological Criteria for Coral Reef Ecosystem Assessment.
Ecoregions and Subregions of Iowa: A Framework for Water Quality Assessment and Management.
Ecoregions: A Spatial Framework for Environmental Management.
Interim Guidance on Interpretation and Implementation of Aquatic Life Criteria for Metals.
Level III and IV Ecoregions of Illinois.
Proceedings of a national conference : water quality standards for the 21st century held in Dallas, Texas on March 1-3, 1989. /
Proceedings of symposium : biological criteria : research and regulation /
Proceedings of the First National Workshop on Biological Criteria : held in Lincolnwood, Illinois, December 2-4, 1987 /
Prototype Indicators of Condition for Deep River Fish Assemblages Developed. Electrofishing in Boatable Rivers: Does Sampling Design Affect Bioassessment Metrics.
Transmittal of final policy on biological assessments and criteria : memorandum /
Water quality standards for the 21st century : proceedings : December 10-12, 1990, Arlington, Virginia /
Water quality standards for the 21st century : proceedings of a conference, December 10-12, 1990, Arlington, Virginia /
Water quality standards for the 21st century : proceedings of the Third National Conference, Las Vegas, Nevada, August 31-September 3, 1992 /
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