7873fa0f_Board_Meeting_Minutes_1_10_01__Response__abridged_
[Questioner] Pat Rush [Question] How does the 400 parts per million (ppm) cleanup level established in Lower East Fork Poplar Creek (LEFPC) relate to the 51 parts per trillion (ppt) water quality standard set for mercury by EPA? [Response (abridged)] 
The 400 ppm in LEFPC refers to flood plain soils. The 51 ppt figure in the UEFPC interim Record of Decision (ROD) addresses water quality standards.
Board Meeting Minutes 1/10/01
Response (abridged)