Document Vj5zrqXvYRD1yeJwzpy1vd9yZ

AR226-2459 From: Rik A Brandenburg on 05/26/99 09:14 AM CED To: Roger J Zipfel/AE/DuPont@DuPont cc: Seiichi Tanaka/PO/DuPont@DuPont Subject: Re: C-8 in drinking water | | Roger, W e have no data for c-8 in drinking water and a lot of data on C-8 in ground water. The last report 1 have has data of 1 9 9 5 . the first aquifer contains 0.1 - 2 8 ppb of C-8, the second aquifer 0.1 - 0 .2 ppb. drinking water is withdrawn from the third aquifer, far away from the plant. W e have lots of reports, but they are all in Dutch. P.S. This is the second time I receive a message from you were you put the message in the subject. This means that when I move the selection bar to your message, it is blank. I have to open it, to read it. No big deal, but I thought you should know. regards, Rik Roger J Zipfel Roger J Zipfel 25-05-99 20:01 To: Rik A Brandenburg/EUR/DuPont@DuPont, Seiichi Tanaka/PO/DuPont@DuPont cc: Subject: C-8 in drinking water Rik, and Tanaka-san, we are preparing for a meeting to discuss C-8 in drinking w ater due to some recent findings of high C-8 in Parkersburg groundwater. You have in the past given me some data on C-8 levels in drinking water a t your sites. I specifically have the data from Dordrecht dated in 1 9 9 3 .1 don't have any data on C-8 levels in drinking water at Shimizu. Is it possible for you to look at your records and see if there is more recent data from Dordrecht or any data from Shimizu on C-8 levels in drinking water on the site. I would also like to know the current source for the drinking water at each of the sites. This information w ill be most valuable if available by thursday morning, Wilmington USA time. Thanks for your consideration and time. Yoroshiku, onegaishimasu, R. Zipfel. EID082073 RJZ0JS495  Katsunosuke Kitagawa 05/2B/99 09:24 PM f To: Kazoo Suzuki/POfDuPont@DuPont, Sh.kiho a y a lTM W e n < . * cc: A Brandenburg/EUR/DuPonti&DuPont Subject: Re: C-8 in drinking water Zipfel-san, Our drinking water is supplied as city water. It is 8 kilometers from here S .V .T o u rL of city . sopplyas the crow flies It la a * - * our waste water goes to sea(Suruga bay). Also, there is not C-8 user at the nnnpr strfisit) of th city water source. According to this w e have never cheeked C-8 level inthe drinking water. For persons m onitoring, w e use Methylene Blue M ethods f or C-8. Its detectable level is around 1ppm. Please send us the method to detect 0.1 ppb level C-8. Thank you, K.kitagawa . Forwarded by Katsunosuke Kitagawa/PO/DuPont on 88/05/20 10:04 MiW^lSI|W*!iMiy>WW V W< /4t-wi".vfo-- Seiichi Tanaka ** ** ' 99/05/28 20:10 To: cc; Shikiho ltaya/PO/DuPont@DuPont Katsunosuke Kitagawa/PO/DuPont@DuPont, Kazuaki Suzuki/PD/DuPont@DuPont, Roger J Zipfel/AE/DuPont@DuPont Subject: Re: C-8 in drinking water lt3V8,,S8n Please investigate requested data and reply to Zipfel-san. Thanks, Tanaka ....................................Forwarded by Seiiehl Tanaka/PO/DuPont on 9 8 /0 5 /2 8 20:07 Prom: Rik A Brandenburg on 99/05/26 09:14 CED TO- Roger J Zipfel/AE/DuPont@DuPont cc: Seiichi Tanaka/PO/DuPont@DuPont Subject: Re: C-8 in drinking water | Roger, 0.1We have no data fo , c-8 In drlnkin water and , IM of data on C-8 In have has data of 1995. the firs t aquifer contains - 28 ppb of C 8, the seco q ppb drinking w ater is w ithdraw n from the third aquifer, fa r away from the plant. W e have lots of reports, but they are all in Dutch. P.S. ` R J Z O 15496 EID082074 This is the second time I receive a message from you were you put the message in the subject. This means that when I move the selection bar to your message, it is blank. I have to open it, to read it. No big deal, but I thought you should know. regards. Rik Roger J Zipfel tt1, * Roger J Zipfel 2S-05-99 20:01 To: Rik A Bfandenburg/EUR/DuPont@DuPont, Seiichi Tanaka/PO/DuPont@DuPont co: Subject: C-8 in drinking water ....................... ... _ __ Rik, and Tanaka-san, we are preparing for a meeting to discuss C-8 in drinking water due to some recent findings of high C-8 in Parkersburg groundwater. You have in the past given me some data on C-8 levels in drinking water at your sites. I specifically have the data from Dordrecht dated in 1 9 9 3 .1 don't have any data on C-8 levels in drinking water at Shimizu. Is it possible for you to look at your records and see if there is more recent data from Dordrecht or any data from Shimizu on C-8 levels In drinking water on the site. I would also like to know the current source for the drinking water at each of the sites. This information w ill be most valuable if available by thursday morning, Wilmington USA time. Thanks for your consideration and time. Yoroshiku, onegaishimasu, R. Zipfel. RJZO15497 EID082075