AR226-2545 WVD045875291 DUPONT WASHINGTON WORKS RESPONSE TO EPA RFI WORK PLAN NOTICE QF DEFICIENCY (KOD) COMMENTS An NOD letter dated 1/15/98 concerning the 9/24/97 DuPont Washington Works RFI Workplan, was received from Region III EPA on 1/20/98.

AR226-2593 Mark Houlday 08/16/2002 12:44:54 PM To: Isdoras J Zanikos/AE/DuPont@DuPont cc: Andrew S Hartten/AE/DuPont@DuPont Subject: Washington Works Talking Points Izzy here are some topics that you may wish to discuss: GIST Meeting - went well.

AR226-2780 FOR DP PONT OSE ONLY Copies Co: E.

AR226-2788 C-8 ALTERNATES: MATERNAL AND DEVELOPMENTAL TOXICITY IN THE RAT (PRELIMINARY STUDY, BY GAVAGE) HASKELL LABORATORY REPORT NUMBER 441-84 Copies Company Sanitized.

3M GLP10-01-02; Interim Report 02 Analysis of PFBS, PFHS, and PFOS in Groundwater Samples from Decatur, AL March/April 2010 GLP10-01-02: Interim Report 02 - Analysis of PFBS, PFHS. and PFOS in Ground Water Samples Collected from Decatur.

A RllG-o^ DETERMINATION OF THE VAPOR PRESSURE OF PFOS USING THE SPINNING ROTOR GAUGE METHOD WILDLIFE INTERNATIONAL LTD.

A R U G -0075 - '/ I " ) 3 FINAL MULTI-CITY STUDY FIELD REPORT FOR MOBILE ALABAMA AND PENSACOLA FLORIDA - BATTELLE DUXBURY ACTIVITIES for Project Number N100672-01 Submitted to Confidential September 29,1999 Prepared by Christopher Gagnon Battelle 397 Washington Street Duxbury,MA 02332 (781) 934-0571 000422 TABLE OF CONTENTS 1.

/)R m - 0 1 % 3 Special Lens Oral Teratology Study of T-2999CoC in Two Strains of Rats Experiment No.: Conducted At: Dosing Period: Study Director: 0681TR0362 Safety Evaluation Laboratory Riker Laboratories Inc.

3M Specialty Materials 3M Center St.

3M Specially Materials 3M Center St.

BACK TO MAIN Executive Summary of Photolysis Studies 3M has completed a series of studies of the direct and indirect photolytic reactions of four materials; Table 1 lists the materials, their chemical abbreviations, and the relevant 3M report numbers.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES FOSA BACK TO COMPOUNDS S TU D Y TITLE LABORATORY OR AUTHOR DATE COMPLETED TYPE Environmental Fate and Transport H ydrolysis Reactions of P erfluorooctanesulfonam ide (FOSA) 3M Environm ental Lab The 18-Day A erobic Biodegradation Study of Perfluorooctanesulfonyl-Based C hem istries _______________________________________________________________ 1 Pace A nalytical Services, Inc. 04/03/01 2/20/01 R obust sum m ary, final report R obust sum m ary, final report

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES COMBUSTION BACK TO COMPOUNDS STUDY TITLE LABORATORY OR DATE AUTHOR COMPLETED TYPE Environmental Fate and Transport Executive Summary Flurochemical Decompostion Processes.

BACK TO MAIN ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE_____________________________________ Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2 or as a major component of L-13492.

FINAL REPORT Epidem iology, 220-3W -05 M edical Departm ent 3M Company St.