Westcas Study Settlement Documents EPA's WET Variability Study New Wet Guidance Wet Resources Links Contact Us

EPA's 1996 Clarifications

EPA's 1997 Clarifications

EPA's 1999 Errata Document

WET Variability Guidance (June, 2000)

Method Recommendations (July, 2000

Final NPDES Permit Rule (Aug., 1999)

New TRE Guidance (Aug, 1999)

Proposed Method Changes (Sept., 2001)

DMR Certification Guidance (Mar., 2001)

 EPA has issued several important documents to clarify the implementation and interpretation of WET tests.

The Agency intends to issue more new guidance in the coming months. As each document is released, it will be available for download here.
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