SEVERN TRENT STL STL Chicago 2 4 1 7 Bond Street University Park, IL 6 0 4 66 Tel: 70S 5 3 4 5 2 0 0 Fax; 7 0 8 534 5211 www.stl-inc.com SEVERN TRENT LABORATORIES ANALYTICAL .RE PORT JOB NUMBER: 2 3 2 0 8 b Prepared For: Weston Solutions, inc,, 1400 Weston Way Building 5-2 Wegt Chester, p a i938-i499 Pro jact : Conf idential Decatur - FC Investigation Attenti on : Jai Ko sari Date.: 1 2 / 3 / 2 0 4 Title: Project.

^^-0143 CENTRE FOR XENOBIOTIC RESEARCH University of Dundee, Biomedical Research Centre, Level 5, Ninewells Hospital and Medical School, Dundee, DD1 9SY Study Report Determination of cyanide insensitive Paimitoyl-CoA oxidation in samples from 3M Environmental Laboratory - Covance Studies 6329-183 and 6329-212 Study Number XR0108 Author: .

ARM-OfFI 004635 3M's TSCA 8(e) FLUOROCHEMICAL SUBMISSIONS POCKET NOS. 8EHQ-*** *-0373/0374 8EHQ-****-0394 8EHQ-****-6006 8EHQ-****-6012 888EEEHHHQQQ---************---666000111568 8EHQ-****-6019 8EHQ-****-6023 88EEHHQQ--********--I84652946 GQ436 3M's TSCA 8(e) FLUOROCHEMICAL SUBMISSIONS Docket 8EHQ-****-373/374 SORTED by SUBMITTAL DATE DATE SUBMITTED (Date I-oggedAa HPA)ltcneil U> 11/19/80 8EHQ-1180-0373 S (11/24/80) 11/19/80 (11/24/80) 8EHQ-1180-0374S 2/20/81 (2/26/81) 2/20/81 (2/26/81) 8EHQ-0281-0374S 8EHQ-0281-0373S N-ethyl perfluoroctylsulfonamido ethanol Preliminary information from an ongoing teratology study N-ethyl perfluoroheptylsulfonamido ethanol FC-95 & FC-99 Potassium salt of perfluoro alkyl sulfonates Perfluoroalkyl Mixtures (FC95) Preliminary information from an ongoing teratology study 3M Technical Report regarding presence of fluorochemicals in the blood of some of 3M's plant employees.

BACK TO MAIN 3M ENVIRONMENTAL LABORATORY INHIBITORY EFFECT OF L-13492TO MICROBICS* MICROTOXTM TOXICITY ANALYZER SYSTEM REPORT COMPLETED: 7/26/95 Prepared by: Susan A.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P h on e : (814) 231 -8032 Fax: (814) 231 -1253 or (814) 231 -1580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Port St.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P hone: (814) 231 -8032 Fax: (814) 231 -1253 or (814) 231 -1580 Analytical Report Fluorochemical Characterization of Surface Water Samples Columbus, GA (W2336) Centre Analytical Laboratory Report No. 023-014E (Revision 1) Revision Date 3/22/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16301 3M Environmental Laboratory Contact Kent R.

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BACK TO MAIN 740101 ENVIRONMENTAL ENGINEERING LABORATORY AQUATIC TOXICITY WORK SHEET Type Test 96 Hour - <,TAT/<L Test Organisa Fathead Minnow Material Tested fC-46 rLOT 3'ST , Avg

/H U & -0 3I OCTANOUWATER PARTITION COEFFICIENT TEST SUBSTANCE Identity: N[r[e(2fhe-e(rNpret-admdteeotchaaysfllpuNeo-rrMfoluoeocFrtOoyolS)csEtuaAlfn,oenosyrulM]lmfoeenFtahOmySliadEmoA)i.

AR226-1400 DD OD fie. s e \H-00 DuPont INTEROFFICE MEMORANDUM Date From: Dept: Tel No 12-May-1987 03:06pm EST TONY PLAYTIS PLAYTIS TEFTECH 2775 TO: ROGER ZIPFEL ( ZIPFEL ) CC: JOHN CRUM C CRUM ) Subject: C8 In Water Attached is a copy of the analytical repent for our five water samples, which are identified as follows. #1 - Washington Works drinking fountain, B3. #2 - Powell's General Store, Washington WV * ~ - Lubeck Pennzcil, Lubeck WV #4 - Mason's Village Market, Little Hocking OH #5 - 812 20th Street, Vienna WV C.

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r Afszb - \h-l*h 000161 DRAFT REPORT DRY RUN CREEK WASHINGTON, WOOD COUNTY, WEST VIRGINIA NOVEMBER 1997 PREPARED BY: Mark D.

* ^ Z Z - / C 23> C-8 IN OFF-PLANT WATER SYSTEMS NONE DETECTED IN UPSTREAM PUBLIC WATER SYSTEM, NONE DETECTED IN WASHINGTON WORKS' DRINKING WATER.

A R 2 2 6 -2 0 1 1 -\ll O ih WASHINGTON WORg c_a environmental influence AJP001669 E ID 924245 WASHINGTON WORKS 0-0 ENVIRONMENTAL INFLUENCE E ID 924246 WASHINGTON WORKS C-8 ENVIRONMENTAL INFLUENCE E ID 924247 AJP001671 AIR PROGRAMS Liquid 0 8 Facilities Fine Powder Dryer Recovery Project Fence Line Monitoring 8 /8 9 , Complete 1Q90, Start-up , Transition Inconclusive ) AJP001672 EXD924248 WASHINGTON WORKS 0*8 ENVIRONMENTAL INFLUENCE E ID 924249 AJP001673 '/ WATER PROGRAMS Surface Possible C -8 Recovery From FEP Effluent In Progress 1992 Groundwater Purchase of Lubeck Water Company Closing 4 /1 1 /9 0 Turnover to DuPont 1 0 /9 1 -4 /9 2 AJP001674 E ID 92425Q WASHINGTON WORKS C-8 ENVIRONMENTAL INFLUENCE g E ID 924251 AJP001675 LAND PROGRAMS DuPont Letart Landfill Eliminated Empty Raw Matrial Drum Disposal W est Virginia Regs.