DuPont!

AR226-2000 GC: J.

TestResults AR226-2121 file:///C|/WINQOWS/TEMP/C-8-FC-143 Z 2-2-81 thru4-8-99.htm TestResults Sam ple Date Range Concentration Range Action Level Industrial Hygiene 2/2/81 100% 4 /8 /9 9 Sam ple D t Sam ple # D u ra tio n Type Employee Name Pere BTO : LOG: 07 TECHNICAL 411 BLOG. 163 - LAB GENERAL AREA 9/11/81 48655 2 9/22/81 48656 Z 9/23/81 48657 9/23/81 48658 9/25/81 48659 10/12/81 48660 z z z z 10/14/81 48661 z 10/19/81 48662 z 12/1/01 48663 z 12/1/81 48664 z 4/24/82 34043 400 2 4/24/82 34044 8/25/82 34045 400 z 406 z 8/25/82 34046 406 z 11/24/82 34047 427 z Chemical Cone U nit Percent C -8/F C -14 3 0.15 MPB 26.8% 08 /F C -1 43 0.06 MPB 10.7% C-8/FC-143 <0.03 MPB 5.4% C-B/FC-143 0.03 MPB 5.4% C -8/F C -14 3 0.03 MPB 5.4% C -8/F C -14 3 0.04 MPB 7.1% C -8/F C -14 3 0.1 MPB 17.9% C -8/F C -143 0.14 MPB 25.0% C -8/F C -14 3 0.03 MPB 5,4% C -8/F C -14 3 0.03 MPB 5.4% C -8/F C -14 3 0.04 MPB 7.1% C -8/F C -143 0.07 MPB 12.5% C-B/FC-143 <0.03 MPB 5.4% C-8/PC-143 <0.03 MPB 5.4% C-B/FC-143 2.28 MPB 407.1% AJP006434 J 1 of258 8/9/2001 5:10 PM EID 139676 TestResults 11/24/82 34048 12/3/82 34049 1/3/83 34050 1/4/83 34051 2/4/83 34052 2/4/83 34053 3/1/83 34054 3/1/83 34055 4/5/83 34056 4/5/83 34057 4/29/83 34058 4/29/83 34059 5/10/83 34060 5/10/83 34061 427 Z 406 z 413 2 403 Z 424 z 427 z 418 z 419 z 433 z 431 z 441 z 441 z 444 z 443 z file:///C|/W INDOW S/TEMP/C-8-FC-143 Z 2-2-81 thru 4-8-99.htm C-8/FC-143 <0.03 MPB 5.4% C -8/F C -14 3 0.04 MPB 7.1% C-8/FC-143 <0.03 MPB 5.4% C -8/F C -14 3 0.11 MPB 19.6% C-8/FC-143 <0.03 MPB 5.4% C-8/FC-143 <0.03 MPB 5.4% .

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.

AR226-2320 Ann K Masse 04/02/2003 06:03 PM To: Irene A Legiec/AE/DuPont@DuPont, Mark D Richmond/AE/DuPont@DuPont cc: Catherine A Barton/AE/DuPont@DuPont Subject: Dispersion modeling data folks, W e need to have this data to Cathy by the end of next week (4/11).

AR226-2482 fii July 16, 2001 C E R T IF IE D M A IL RET U R N R E C E IP T R E Q U E ST E D M s.

AR226-2514 From: D ick J C Meijer on 04/03/2002 07:38 A M CET To: Ta-W ei Fu/SE/DuPorrt@DuPont cc: Ton Roelen/EUR/DuPont@DuPont, Stephen R Peck/SE/DuPont@DuPont, Yoshihiro Hayatsu/PO/DuPont@DuPont, Hidetaka Hiromatsu/PO/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, Akito Abe/AE/DuPont@DuPont, O scar T Garza/AE/DuPont@DuPont, Francois P van Langevelde/EU R/D uPont@ D uPont Subject: Re: C -8 analysis at W W lab | Ta-wei, Francois van Langevelde is the Analytical Chemist for TEFLON and FEP.

EE> AR226-2805 MEMORANDUM To: From: Date: Subject: Gerald Kennedy Michael DeLorme 19 June 2002 APFO Aerosol Generation and Particle Size Introduction Inhalation toxicology studies with APFO in rats conducted by Haskell in 1980 demonstrated biological correlations between the airborne concentration of APFO and toxicological responses in exposed rats.

$ rr 3M Katherine E.

At2Z< '3 % 13 Studies on the Toxicological and Environmental Properties of PFBA as of July 2008 I.

P-1 A ZZZ Q jm DuPont Haskell Global Centers for Health and Environmental Sciences ( f 1090 Elkton Road, P.O.

Taft/ Taft Stettinius & Hollister LLP 4 2 5 W alnut Street, Suite 1 8 0 0 / Cincinnati, OH 4 5 2 0 2 -3 9 5 7 / Tel: 5 1 3 .3 8 1 .2 8 3 8 / Fax: 5 1 3 .3 8 T V 0 2 0 5 /w w w .taftlaw .com C in cin n a ti/C lev e la n d /C o lu m b u s / Dayton / Indianapolis / Northern Kentucky / Phoenix/ Beijing Robert A.

ANALYTICAL REPORT '/k^/oy STL A/3G 3 3 7 \jC STL Denver 4 9 5 5 Yarrow Street Arvada, CO 8 0 0 0 2 Tel: 3 0 3 7 3 6 0 1 0 0 Fax: 3 0 3 4 3 1 7 1 7 1 www.stl-inc.com PFOA/PFOS Analysis Lot#: D7G270329 Laura Vancho/Jane Hanuszczyk NJ American Water 213 Carriage Lane Delran, NJ 08075 TestAmerica Denver Gail DeRuzzo Project Manager August 12,2007 DEP2-SDWB-000001 METHODS SUMMARY D7G270329 ANALYTICAL PARAMETER_________________________________________ METHOD______ LC/MS/MS, PFOA DEN -LC-0012 References: DEN Severn Trent Laboratores, Denver, Facility Standard Operating Procedure.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 245318 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 04/07/2006 Signature Name: Richard C.

GLP10-01-02; Interim Report 07 Analysis of PFBS, PFHS, and PFOS in Water Samples from Decatur, AL June/July 2010 GLP10-01-02: Interim Report 07 - Analysis of PFBS.