ARUG-0^3 BIOACCUMULATION (ANALYTICAL ONLY) TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

ARXfc-omi International Research and Development Corporation SPONSOR: TEST MATERIAL: SUBJECT: 3M Company Fluorad Fluorochemical FC-143 Acute Oral Toxicity (LDsn) Study in Rats. 50 Wilson P.

CAS Number 335-77-3 (acid) & 67906-42-7 (ammonium salt) 3M Company 4 . a 6 j T 7 f Voluntary Use and Exposure Information Profile Perfluorodecane sulfonate I.

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AR226-2010 C-8 BLOOD DATA (WASHINGTON WORKS) STATUS OF EMPLOYEES AS OF: 0.5 p p m 5 1,0 p p m 5.0 p p m 10 ppm >10 p p m BASE DATA 1984-1985 (108 PEOPLE) 22% (24) 67% 92% 97% (73) (100) (105) 3%` (3) 1987 (31 p e o p l e ) 1988 (28 PEOPLE) 1987-1988 Co m b i n e d (58 p e o p l e ) 1989 (41 p e o p l e ) 26% (8)' 43 (12) 34% (20) 34% (14) 39% (12) 61% (17) 50% (29) 59% (23) 87% 97% 3% (27) (30) (1) 93% 100% (26) (28) 0% 90% 100% (52) (58) 0% 83% 98% 2% (34) (40) (1) o Th i s d a t a is ONLY USEFUL TO p r o v i d e A GENERAL OVERVIEW (a s n a p s h o t IN TIME). o No t u s e f u l f o r t r e n d s b e c a u s e o f p e o p l e m o v e m e n t , a n d t h e COMPOSITION OF PEOPLE TESTED CHANGES EACH YEAR.

AR226-2035 "Roger J, ZipfeT <ZIPFlLWWPS-AT.MAIL.DUPONT.eOM> on 09/14/39 07:01:19 PM To: Roger J Zipfel/AE/DuPont Subject: (C-8 EM PLO YEE EXroSURE/01-Mar-1998)Jan/Feb C-8 Sample Feedbac Dates Sun, 1 Mar 1998 16t14s00 EDI Proms Becky Szakata Dines <SZAKATBK@wwps-al.email.dupont.com> Subjects Jan/Peb C-8 Sample Feedback Tos JACK OFFENBERGER <OFFENBJL@wwpS-al.email *dupont.Com> Ce: "ANTHONY J.

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AR226-2075 > s i BMII SEWX- V 0 L A 1 1 L E S EUfc.

AR226-2164 Current Permit/Aocflcation/PDF tt 18234 &15D 01SD 1353A Pre-Exisunfl 614A 614A 781 153 2365A Note: For some vents me surfactant rate is less then the total particiiete reported In Air Emissions Inventory which can Include polymer dirsi Note: if emissions ere sen!

AR226-2170 EID274718 Current Permit/ Appllcatlon/PDFJ. 1823A B15D 815D 1353A Pre-Existing 614A 614A 781 1953 2365A Permit Vent ID_ T7IME T8IFCE T6IZCE 164-5E 164-2S 183-E-28 163-E-11 163-E-33 242 C1FSE Stack Stack Stack Stack Base Stack Stack Stack Reg 29 Unit ID TIM TIF TIZ THJ THG CDT CDW CDB CEH CFS Reg 29 Vent ID 662 647 699 652 658 231 232 216 242 274 Zone 17 UTM-E UTM-N 442025 4346847 442084 4346833 442102 4346811 441920 4346767 441923 4346756 441939 4346773 441940 4346772 441960 4346788 441954 4346741 441787 4346744 Diameter (ft) 1.33 1.5 1 1.96 1.63 0.82 2.08 1.3 0.67 0.69 Diameter (m ). 0.405 0.457 0.305 0.598 0.497 0.251 0.635 0.396 0.204 0.210 Height (ft) 150 59 63 70 68 71 66.6 60 70 110 Height Elevation (m) .

AR226-2214 Debbie J Mulrooney 11/15/2001 11:13 AM , To: Robert F Pinchot/DEV/AE/DuPont@DuPont cc: Steven L Grise/AE/DuPont@DuPont Subject: Consent Order Requirements - Particle Size Distribution Rob, Here is a spreadsheet with the particle size distribution, particle density and particulate scavenging coefficients based on the defaults in the ISC Users guide, i have left a blank slot for the vapor scavenging coefficients for when Steve and company finish calculating them.

AR226-2280 , Privileged and Confidential Attorney Work Product-Prepared in Anticipation o fLitigation Summary of Meeting with DAO `Representatives April 24. 2002 Attendees: DuPont Rob Pinchot Debbie Mulrooney Bob Ritchey Ann Bradley WVDEP-DAQ John Benedict Chris Arrington Dave Roberts WVDEP Dee Ann Staats Chris Negley (Office of Legal Services) Dave Watkins (Division of Water - Leader of GIST) Debbie Mulrooney provided an overview of the air modeling report that was sent to DAQ on April 19, 2002.

AR226-2491 April 26,2(301 Mr.