Biological criteria. National program guidance for surface waters.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : Criteria and Standards Division, Office of Water Regulations and Standards, U.S. Environmental Protection Agency, 1990.
Subjects:	Water > Pollution > United States. Biological systems. Water quality biological assessment > United States. Water quality bioassay > United States. Water quality > Standards > United States. Water > Pollution > Law and legislation > United States. United States. > Federal Water Pollution Control Act Amendments of 1972. Water > Pollution. Water quality biological assessment. United States.
Online Access:	https://purl.fdlp.gov/GPO/LPS45005

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