Document pBZa00bYKdDQXRZ5Nrq8bVzRX

AR226-2460 y w y w w w y w w w y tw * v> -- * w ? x . t> i"'T "V ' ^ Roger J Zipfel | j " ^ '" Sr 06/04/99 05:00 PM V To: Katsunosuke Kitagawa/PO/DuPont@DuPont cc: Subject: Re: C-8 in ground water ||| Kitagawa-san, w e have ground w ater levels as high as 1500 ppb in some places. This is near our old supem ate disposal ponds. W e removed these ponds in 1 9 8 0 's, but ground w ater contamination continues. W e have som e w ater w ells for process use w ith 6 0 PPB levels o f C-8, and site drinking w ater well has 0.5-1.1 PPB C -8 in it. . So w e have very big problem here at Parkersburg. The above numbers are estim ates, because final numbers are being sent to me. I w ill send them to you w hen I get them . There is som e confusion due to lab error and new laboratory. Yoroshiku onegaishimasu, R. Zipfel. RJZO15450 EID 938879