Document da0gg34xB0Kawnmj30y2a6Xe

AR226-2485 Walter R Tong 10/08/2001 10:38 AM To: Ta-W ei Fu/SE/DuPont@DuPont cc: Takuya.ichida@daikin.co.jp, Satoshi_komatsu@notes.che.daikin.co.jp, Charles J Noelke/AE/DuPont@DuPont, Steven H Swearingen/AE/DuPont@DuPont, Katsunosuke Kitagawa/PO/DuPont@DuPont, Nancy L Tanzola/AE/DuPont@DuPont, David R Wallace/AE/DuPont@DuPont, Shawn E Messinger/AE/DuPont@DuPont Subject: Re: PROPOSED APFO SPECIFICATIO NS How does this list compare with the FAX th at Daikin sent? Here are a few points: In my notes from the meeting I have listed fo r Recovered/Purified - .. indicated below. Also, it was unclear to me if these specs were to be permanent or monitored during startup. Again, what did D aikin propose in their FAX? For APHA, and Fluoride ion why not specify th e JL methods? W e have already done the work and we use them in RAS. These are essentially the sam e as the 3M methods but differ slightly to fit available equipment. W ith regard to the C 6, C7, and C8 specs - w e use a mass spec detector in our routine work because it yields more information on other impurities. W e also use a slightly different sample prep procedure.^ W ith proper calibration this is equivalent to the 3M method. Perhaps a legalistic statem ent such as 3M method 171.140.7 or equivalent" would be appropriate. Ta-W ei Fu Ta-Wei Fu " 10/05/2001 04:57 PM To: Takuya.ichida@daikin.co.jp, Satoshi_komatsu@notes.che.daikin.co.jp, Charles J Noelke/AE/DuPont@DuPont, W alter R Tong/AE/DuPont@DuPont, Steven H Swearingen/AE/DuPont@DuPont cc: Katsunosuke Kitagawa/PO/DuPont@DuPont Subject: PROPOSED APFO SPECIFICATIONS Team, Based on the discussions during our video/tele-conferencing on 09/28/01, the proposed specifications for the virgin and recovered/purified APFO are summarized below. If anything listed below is different from what we discussed and agreed, please point it out to all on the distribution of this note so we can quickly gain alignment and firm up these specifications before 10/18. For V irg in APFO: 1. PH existing 3M method 30.2 2. Solids Content 3. Fe COMPANY SANITIZED CBI REMOVED E ID 340382 on 100% APFO 4. Na 65.. AKbsorbance 20% solution, 7. APHA Color 8 . Fmethod 53.9.1 9 . C8 C7 C6 For Recovered/purified APFO: 1. PH existing 3M method 30.2 2. Solids Content 3. Fe on -100% APFO 4. Na 5. K 6. Absorbance 20% solution, 7. APHA Color 8. Fmethod 53.9.1 9. C8 171.140.7 C7 C6 ' Best Regards Ta-W ei COMPANY SANITIZED CBI REMOVED E ID 340383