BACK TO MAIN SANITIZED REPORT EXPLORATORY 28-DAY ORAL TOXICITY STUDY WITH TELOMER ALCOHOL, TELOMER ACRYLATE.

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 Sediment, POTW Sludge, and Landfill Leachate Samples Columbus, GA (W2336) Centre Analytical Laboratory Report No. 023-014U (Revision 1) Revision Date 3/28/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environm ental Laboratory Contact Kent R.

BACK TO MAIN Executive Summary of Hydrolysis Studies 3M has completed a series of studies of the hydrolytic reactions of various fluorochemicals.

A f l J2A6 SUMMARY OF A STUDY CONDUCTED WITH POTASSIUM PERFLUOROALKYL SULFONATE (PFOS) AT DUPONT Type: Species/S train: Sex/Number: Exposure Period: Frequency of Treatment: Exposure Levels: Method: Biopersistence Screening Study Rats/Crl :CDSD(IGS)BR Male/5/group 5 or 10 days; 94 days of recovery Ad libitum for 5 or 10 days Ammonium perfluorooctanoate: 20 mg/kg Potassium perfluoroalkyl sulfonate (PFOS): 10 mg/kg Six groups of rats were administered ammonium perfluorooctanoate, 1 group received the test substance for 5 consecutive days and the other 5 groups received the test substance for 10 days.

Arasi& _ u s i TSCA NCIC Notification Form for CBI Documents Docket Number: fl-R ________________ Document Control Number: g j> t( Document Date: Document Type: W - ?

MA&6 _ 126g TSCA NCIC Notification Form for CB!

AR226-1384 Revised 10-24-80* IJ _W_O_RD__P_R_O_C_E_S_SI_N_G__W_O_R_K _F_O_R_M TO: EMPLOYEE RELATIONS DEPARTMENT WORD PROCESSING CENTER - N-12533 AD O D Q ' * *** Tape# /IP2.y __ /QffJj.

tDCTD PPO - 84- e ALLEGATION OF SIGNIFICANT ADVERSE E ACTION TOXIC SUBSTANCES COVTHX ACT (TSCA) SECTION 8 ( C ) (Name of ailecer lYear of Birth IDate of receipt of allegation at site 1 1-S* 1 is-PI -- 'I 8-/SW IJoto title or description 1Sex * 1Location of plant receivina allecation lJ _ , 11 (Vm-) OC (F) 1 -, 1 t Cl L ;!

2 2 6 - / 7 6 ,7 Wildlife International.

AR226-2057 C-B PERSONAL AIR MQNXT0RIN8 SATA WASHINGTON WORKS - SPD COPOLYMERS AREA 11988) (AEL ZB 0.96 PPB) JOB NAHE/PER8 CODE NO.

AR226-2363 )i Detecting and Quantifying Low Levels of Fluoropolymer Polymerization Aids - A Guidance Document t Fluoropolym er M anufacturers G roup (FM G ) - T echnical W orking G roup (TW G ) - A n alytical W orking G roup (AW G ) T he Society o f the P lastics Industry, Inc. 1801 K Street, NW , Suite 600K W ashington, DC 20006-1301 S EXP000571 T h is p a g e le ft in te n tio n a lly b lan k .

AR226-2583 Document 12 of 25 ASH018251 EID521411 I J J C-8 PLUME IDENTIFICATION/GROUNDWATER ASSESSMENT WORK PLAN DUPONT WASHINGTON WORKS FACILITY AND LOCAL, LETART AND DRY RUN LANDFILLS ) Date* May 2002 Project No.; D6WW7423 A CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 a ASH018Z52 EID521412 C-8 Plume Identlfigation/Groundwaier Assessment Work Plan Introduction TABLE OF CONTENTS 1.0 Introduction..................................................... ............,,................................................2 1.1 Document Organization................................................ ................ ..................... 3 2.0 Washington Works Facility................ ........................................................................ 4 2.1 Key Findings................. ............................................... ................ ..................... 4 2.2 Data Gaps................................................................................ ............ ............. 5 2.3 Summary--Recommended Activities to Fill Data Gaps................................... 5 2.4 Detailed Justification..... ....................................... ............................................. 3.0 Local Landfill.... .................................................................................... ....................... g 3.1 Key Findings..................................................................................................... 3.2 Summary-- Recommended Activities to Fill Local Landfill Data Gaps.......... 9 3.3 Detailed Justification........................... ................................................... ..........jq 4.0 Letart Landfill............................................................................................................... 4.1 Key Findings--Letart Landfill....................... .................... .................. ..........12 4.2 Data Gaps for the Letart Landfill...................................................................... 13 4.3 Summary--Recommended Activities to Fill Letart Landfill Data Gaps...... ..13 4.4 Detailed Justification ..................................................................................14 5.0 Dry Run Landfill............................................................................................. ........ 16 5.1 Key Findings--Dry Run Landfill......................................................... ........ 16 5.2 Summary--Data Gaps for the Dry Run Landfill............. ................. .........17 5.3 Summary-- Recommended Activities to Fill Dry Run Landfill Data G aps.............................. .................................................................... ........17 5.4 Detailed Justification............................... ............................................. ........17 6.0 Path Forward............................... ......................................... ........................ ....... 20 7.0 References............. ........................................ .. ....... 21 Figure 1 Figure 2 Figure 3 Figure 4 FIGURES Proposed Well Locations for the Washington Works Facility Proposed Well Locations for the Local T.anrfffn Proposed Well Locations for the Letart T^nrtfiit Proposed Well Locations for the Dry Run Tjwrifin APPENDIX Appendix A Sampling and Analysis Plan O-B Plume W ork PlanZrioc May. 20,02 W ilmington.

AR226-2691 13 AR226-2691 DuPont EMSE Report No. 15-03 Study Title Accelerated Biodegradation of 8-2 Telomer B Alcohol- A preliminary Screening Study j I Test Guideline This study uses the concept o f OECD Guideline for Testing o f Chepiicals; Section 3: Inherent Biodegradability (1992).

r <77 19 U U 6 -J t6 9 7 DuPont-13202 TRADE SECRET Study Title [ ]: Hydrolytic Stability o f [ ] as a Function o f pH Test Guidelines: OECD Guideline 111 Author: Bogdan Szostek, Ph.D.

AR226-2863 Copies to t vE ' I* du Pont de Nemours and Company Haskell laboratory for Toxicology and Industrial Medicine Material Submitted by Organic Chemicals Dept., ACUTE ORAL TEST J S S T B E l* ____________ _____________ __________ lS i?