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POLLUTION TOLERANCE INDEX (PTI) (Adapted from Volunteer Stream Monitoring: A Methods Manual, United States Environmental Protection Agency, Office of Water, Draft Document #EPA 841-B[removed], November 1997 AND Mitchell an
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Document Date: 2011-06-12 09:28:26
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POLLUTION TOLERANCE INDEX (PTI) (Adapted from Volunteer Stream Monitoring: A Methods Manual, United States Environmental Protection Agency, Office of Water, Draft Document #EPA 841-B[removed], November 1997 AND Mitchell an