Document 0a4K2epb9bYr8KOy2OJ7NjoV

WASHINGTON WORKS - PERMIT WV0001279 TREATED SUPERNATE DISCHARGE THROUGH FILTER SYSTEM (Letter, R- L Rilchey to Ms. Allyn G. Turner, Director, WVDEP, DWR, dated 8/30/01) BCC: B. 0. Desai, Engg., B9202 A. V. Malinowski, Legal, D-7078 A. S. Hartten, BMP-27-2160 M. A. Bradley, Spilman, Thomas, & Battle In Turn: PJ. Bossert, Jr. H.D.Ramsey.Jr. J. E. Auger D. C. Koelsch R. L. Ritchey 0. T. Garza R.J.Zipfel In Turn: R. Baneijee S-AGissy K. G, Kronbeig C. E. Shoop J. F. Moore D. F. Altman A. A. Crane W. E. Lively J.J.Mentink M. M. Pagels G. Woytowich RJZ033603 EID185370 CWMIAI AR226-2499 "siftilt '^iiiswy. ^c^s "-'tesilBs. WJs' August 30,2001 CERTIFIED MAILRETURN RECaPT REQUESTED Ms. AllynG. Turner, Director WV-DEP. Division of Water Resources 1201 Greenbrier Street Charleston, West Virginia 25311 Dear Ms. Turner: WASHINGTON WORKS - NPDES PERMIT WV0001278 TREATED SUPERNATE DISCHARGE THROUGH FILTER SYSTEM Par our discussion at your office on 24 August 2001, attached please find the operating procedure we intend to follow forthe superriate treatment lest The procedure incorporates the requirement that the treated supemate will not be discharged through the existing ammonium pertuorooctanoate (FC-143) reduction filler system to Outlet COS unless the concentration ofFC-143 is less than 10 parts per miBion (ppm). In addition, testing wilt be performed to assure lhat suffta'ent Trilcn has been-removed so foam wBI not be expected to fonm when water is discharged through Outlet 005 to the Ohio River. During the treated supemate discharge, the trench leading to Outlet 005 will be monitored tor foaming and visible solids. Due to the proprietary information contained herein please considerthis letter and the attached document as "Confidentiar inionnation- Aftfir completion of the subject testing and priorto fiirthertesling or scale-up of this concept, we will discuss with you equipment performance and analytical results. If you have any questions, please contact me at (304) 863-4271- Sincerely, /^s^y R-LRBchey Sr. Environmental Control Consultant Washington Works RLR/gw-dswAttachment RJZ033604 EID185371