7873fa0f_Board_Meeting_Minutes_1_10_01__Response__abridged_
[Question] Are you saying that all industries are required to do this? [Response (abridged)] 
(Response supplied by John Owsley) The situation is unique to the Y-12 Plant and came about because of conditions in existence prior to when the plant came under regulation of the Water Pollution Control Act.
Board Meeting Minutes 1/10/01
Response (abridged)