EPA has released its draft version of National Whole Effluent Toxicity Implementation Guidance for public review and comment for 60 days.
The draft guidance document provides recommendations to states and EPA regional offices on implementing whole effluent toxicity (WET) testing in National Pollutant Discharge Elimination System (NPDES) permits.
The draft WET Guidance is available on EPA's web site at www.epa.gov/npdes/permitbasics.
Comments may be submitted through Feb. 28 in a variety of forms (paper, electronic, etc.) to the EPA Docket Center, Docket ID # OW-2004-0037.
For more information on submitting comments, visit www.epa.gov/edocket.