AR226-2570 j^drewSl^artten^ _____ To: Mary A Kais6r/AE/DuPont@DuPont cc: John R Bowman/AE/DuPont@DuPont Subject" Sampling Program 'l6/6T/2Mr05T6'2 PM t Mary, I'm a little concerned about the decision to contract Battellle to provide sampling services related to the Consent Order.

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AR226-1384 Revised 10-24-80 WORD PROCESSING WORK FORK Tapet Day Cy 10: DELOTEE RELATIONS DEPARDAENT AR _1 WORD PROCESSING CENTER - N-12533 nov: 7 sssracen Lion Room: aae Tel: 38h Date Retain Diskette: Pern.

AR32G - I4SS o - ee i -- 3m Commercial Chemicals oiviston February 7, 1979 [ SSe aB rTBH ete Haskell Laboratory for co. tne.

} AR226 - 067Y Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 Phone: (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Surface Water Samples Pensacola, FI (W2176) Centre Analytical Laboratory Report No. 023-014C Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

| AR226 - 0939 Sept 15, OV i \f Name ovgane Aran eh Nek fates EQOA [eed zez- 2te-sOS Broa Lecyyntbe P4 [eed 202 26039%5 Cody Rice coh jee 201 260 (22 Gres Fede clnfecTo/1c8 202200 TIF | Frida q req @ epg a1 ka Kitamava iPian Melvy Qockhdd Zoe IEcnS n c DIC/EHS mansger Jol 3-$32203-7153 hold , To taku-fkoixTan3u-aro3a2@78ma.02d8ie3.co.jp H1 Masanobu Yumto 5-361 PIC / Hluon-Com teh.paraginm.aFoshfJumaotsp@mb).dic. (6.

TEFLON FINE POWDER/DISPERSTON OPERATORS : C-8 BLOOD SAMPLE RESULTS AR224- 1630 C-8 SFaimrpstle 26.0 24.0 11.0 9.4 8.2 7.0 6.9 5.6 4b in Blood SSeacmoplned 20.0 25.0 8.2 7.9 6.5 7.7 5.9 42 4.9 (ppm) Change -6.0 +1.0 -2.8 1.5 -1.7 +0.7 -1.0 "1.4 40.5 Days SBaemtpwleeesn 363 364 391 364 363 364 337 33 365 % PCehrangYeear -23 + -24 -16 -21 +10 -16 -27 +13 4.3 5.6 +1.3 401 +27 3.9 3.6 -0.3 364 -8 3.6 2.7 -0.9 362 -25 3.5 2.1 -L.4 363 -40 2.9 2.8 -0.1 357 -3 2.8 2.8 0.0 365 0 2.6 2.4 -0.2 391 -7 2.5 1.8 -0.7 336 -28 2.5 2.5 0.0 349 0 2.1 1.6 -0.5 288 -30 1.6 1.5 -0.1 384 -6 1.5 1.2 -0.3 366 -20 1.3 1.1 -0.2 362 -15 3 JWR:1dr/10/19/83 5 ~ EID079746 = 000226 .

AR226-2046 fct^L Roger J.Zipfel L2 10/14/99 11:57PM To: cc: Subject: Chart of High levels of C-8 on B-162 & B-124 Boots PPE FOR ROOF AREAS OH B-124 & S-152 HIGH C-8 LEVELS C-8 III AIR DMA * 3-162 LEVELS - UP TO 4.3 PPB VS. 0.56 PPB KEt* B-124 LEVELS - UP TO 2.75 PPB ALSO HAVE MtST LADEN WITH C-8 FROM EXHAUST STACK PPS REQUIREMENTS * B-162 ROOF - BaiBBa'KtrHG PROTECTXOM REQOIRED AT HIGH LOCATIONS * B-124 ROOF ~ BBEATHIMO ftMD SKIH PROTECTION BEOUIR2D FOR EXTENDED (MORE TOW 10 MIN) STAY CftUSB - HICB EMISSIONS FROM" C-8 SCRUBBEH BXHADST SCROBBER EXHAUST GENERATES HIST W HOMID OCCASIONS MIST HAS TOAM t,V!

AR226-2056 > 3 (.

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AR226-2528 TOXICOLOGY LIMITS TLV AEL CEGA CEGW ufl/m3 100 10 0.3 jgpfa 5.6 0.56 0.0015 1.0 CALCULATED DOSE - AEL - CE6 100 ug/day 6 ug/day EID079258

AR226-2641 30 AR226-2641 DuPont Modeling Methodology and Results Shimizu Site June 2003 About the Model I Industrial Source Complex Short Term 3 (ISCST3) I Sold/used globally, including in Japan http://www,phoenix-r.co.jp/products/products.htm I Input I Stack height, diameter I Flowrate, temperature I Mass of pollutant (kilogram per hour) I Local meteorological data (Shizouka 1997, 98, 99) I Output I Ambient air concentrations in ug/m3 I Max values-and locations outside the property line Facility Ambient annual ground level concentration in ug/m3 Model Calculations I Ambient air concentrations based on Gaussian Equation I Concentration a function of a vertical term and a dispersion term I Vertical term based on stack height, receptor elevation, plume rise, mixing I Dispersion parameters describe distribution of pollutant in lateral and vertical Shimizu Modeling Inputs Stack Parameters ^e-scrubber exil (or tine powder scrubber (called "AC Scrubber" on jPmoaslp-s)c_iu_fa_b_ere_x_it_fo_r _fin_e_p_ow_d_e_r scrubber (called -AC Scrubber' on Imap) [MP-2 scrubber E Plant: copolymer IplanlforPFAandFEPJ IP-2 building; copolymer type micro- powder Operates 24 hour per day. 180 days Per year Operates 24 hours per day. 180 days ^ryear Operates 24 hours per day, 270 days per year Operates 24 per day, 200 days per year \ ^ ^16.1 I) Given in emait of 4/17/03 trpm Hideiaka Hiromaisu: 600 Correct stack height?

AR226-2664 54 RES EARC H .

PRODUCT AEEA: DUPON ^ CLOSING REPORT AR226-2734 ADDENDUM #1 ^ FINE POWDER / DISPERSION AUTHOR TLMAYLE-B168,WW SCION-CROP 14-1286 ^ye^svs^______ TANO.