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Chapter 5 Benthic Macroinvertebrates
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EPA 841-B-99-002 Rapid Bioassessment Protocols For Use in ...
www3.epa.govDRAFT REVISION—September 3, 1998 EPA 841-B-99-002 Rapid Bioassessment Protocols For Use in Streams and Wadeable Rivers: Periphyton, Benthic Macroinvertebrates, and Fish