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

   Edison Electric / Westcas Agreement


   City of Washington, GA Agreement


   Lonestar Steel Agreement

In 1998, EPA settled several lawsuits challenging the scientific validity of whole effluent toxicity test methods. EPA agreed to study the problem of WET test variability and issue new guidance manuals.

The Agency proposed new WET methods in September, 2001.  The rule will be finalized in late 2002.

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