AR226-2104 Test R esults Sam ple Date R ange Concentration Range A ction Level Industrial Hygiene mm 12/31/77 100% Sam ple D t Sam ple# D uration Type Em ployee Name B T O : 08 TEFLON L O C : 701 FINE PO W D ER D RYER-EAST SIDE #2 2/3/77 62672 Z Pers Chem ical C-8 B TO ; 08 TEFLON L O C : 702 FINE PO W D ER D RYER CO NTRO L ROOM (ALSO S E E TTF031 2/3777 57138 Z C-8 B TO : 08 TEFLON L O C : 703 FINE PO W D ER PACKO U T ROOM 213/77 49590 Z C-8 B TO : 08 TEFLON L O C : 704 A/S - FINE PO W D ER C-8 W EIGH HOOD 2/3/77 51160 Z C-8 Cone Unit Percent <0.1 PPM 0.0% <0.1 PPM 0.0% 0 .1 PPM 0.0% <0.1 PPM 0.0% AJP04114 Tuesday, January 16,2001 12:48:12 PM Page 1 of 1 EID 11 324 9

AR226-2200 EID 384430 Current Permit/Applicatlon/PDF #_________ 1823A 8150 8150 1353A Pre-Existing 614A 614A 781 1953 2365A Note: For some vents the surfactant rate is less than the total particulate reported in Air Em issions Inventory which can Include polymer dust.

AR226-2322 ^ Charles J Zarzecki 04/03/2003 09:31 AM To: Catherine A Barton/AE/DuPont co: Subject: Re: Beychok A rticle Q C a th ie , First, by "Monday's m eeting", I assume you mean A pril 14?

AR226-2398 \ INTEROFFICE MEMORANDUM Dates From: Dept: Tel No s 30-Jan-1989 01:18pm ANTHONY J. tTONY] PLAYTIS PLAYTIS PPD-SPD 304-863-2775 TO?

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# AR226-2878 Copies to: E.

FOR DD PONT SE ONLY AR226-2906 E.

SPONSOR Elf Atochem S.A.

AR226-3182 DuPont-6711 TRADE SECRET Study Title | Acute Oral Toxicity Fixed Dose Method Laboratory Project ID: DuPont-6711 T est Guideline: OECD Guidelines for Testing of Chemicals Section 4: Health Effects, No. 420 (1992) Author: Carol Finlay, B.A.

M am - H-25231: One-Generation Reproduction Study in Rats DuPont-9763 TRADE SECRET Study Title H-25231: One-Generation Reproduction Study in Rats Volume 2 of 3 Laboratory Project ED: DuPont-9763 A uthor: Eve Mylchreest, Ph.D.

ARRA - Environmental fate of Fluorotelomer Based Substances Derek Muir Aquatic Ecosystem Protection Research Division Water Science and Technology Directorate Science and Technology Branch Environment Canada Burlington ON Environment Environnement Canada Canada 000134 Outline 1) Conversion of `fluorotelomer alcohols' to PFCAs Atmospheric degradation of "Residual FTOHs" Atmospheric measurements (air, precipitation) Biological degradation of FTOHs Biodegradation of fluorotelomer polymers?

AR226-3649 F 'A T - 0 ' 1'37 g, FV - -- 0/37?

Katherine E.

INTERIM REPORT #26 - Analysis of Groundwater Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE January 9, 2007 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

3M tipp. 3M Center St.