AR226-2462 From: Daw n D Jackson on 06/23/99 07:55 A M To: Robert L Rrtchey/CL/DuPont@DuPont.

AR226-2525 - /X S O O C A S ~ *>/' 3_CJ, cJO r) C ^ S PENNY, m e r e ARE THE R E S U L T S FOR THE C-rQ IK WA TE R S A M P L E S T H AT YOU TE-RY .

AR226-2615 AR226-2615 Draft This report was not issued as shown, but was incorporated into larger Chambers W orks report under the Consent Order.

RECYCLED '4 AR226-2657 AR226-2657 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed in support of anticipated updates to R13 permits 1953A and 2365B at the DuPont Washington Works site.

11862238 LIP t'tr'nI s ai lw S et t Q- u o j f December 20, 2004 f i A 3 7U 1 0 AK u . zin-z / bbl i IV!

AR226-3018 t Study Title Repeated Dose Oral Toxicity: 14-Day Feeding Study with H-19683 in Male Mice Author John W.

1 -------------------------------------------------------------------------------------------------------- IU A 6 - 3 -2 7 / 453 A M - /327 DuPont-11604 TRADE SECRET Study Title H-25435: Influence on Growth and Growth Rate of the Green Alga Selenastrum capricomutum Laboratory Project ID : DuPont-11604 Test Guidelines: OECD Guideline for Testing Chemicals Section 2: Effects on Biotic Systems, Number 201 (1984) Commission Directive 92/69/EEC EEC Method C3 (1992) Author: Terry Lee Sloman, B.S.

% AR226-3322 P raJiH 'inav'j S c e ^ O oOMMCa i m <y- Tay Perfluoroalkyliodide (Rfl) Homologue Distributions DuPont currently producesMBdistinct pure homologue or mixed homologues distillation cuts -.\ - Homologue distributions, and therelative balance between products, are governed by iht0|hi lrrd|extrnal customer requirements DuPont Confidential - Draft!!

AR226-3353 1 A Typical Fluorotelomer-Based Polymer ^ueous Dispersion of.... iQ-200 nm Polymeric Particles, > 3 4 ) Ready Biodegradation : Methods 6 8 F(CF2)7!

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A fL a a _ 3 T 2 7 # Ui \ DuPont Legal Andrea V Malinowski, Es.4-^ 2h l o: 5 9 Wilmington Office Buildings 1007 Market Street Wilmington, DE 19898 Corporate Counsel DuPont Environmental 1007 Market Street & fy o 10 6- 743^ Wilmington, Delaware 19898 Phone: (302) 774-6443 Fax: (302) 774-4812 E-mail address: Andrea.V.Malinowski@usa.dupont.com CONTAIN NO CBI 3 CTJ CT** C-- 6 January 2006 7 \f r VIA OVERNIGHT MAIL TSCA Confidential Business Information Center (7407M) EPA East - Room 6428 Attn: Section 8(e) U.S.

3M Specialty Materials 3M Center St.

TestA m e rica THE LEADER IN ENVIRONMENTAL TESTING ANALYTICAL REPORT PFOA/PFOS Analysis Lot#:: D8C180234 Laura Vancho New Jersey American Water 213 Carriage Lane Delran, NJ 08075 TestAmerica Denver licheile A.

425 Walnut Street, Suite 18t Cine Taft Stettinius & Hollister LLP ti, OH 45202-3957 /Tel: 513.381.2838/Fax: 513.381.0205/ www.taftlaw.com eland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing Robert A.

Jean B.