A procedure for effluent data analysis that is used to determine when a water quality-based limitation is necessary.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
Rasonal Potential Multiplier.pdf (PDF)(16 pp, 3 MB,
October 8, 1991)
Determining the Need for Water Quality-Based Permit Effluent limitations