.

s9qf = Suae 3 yey ARQ&_6 1133 UNITED STATES EANVSINROGNMTEONTNA5L..PRSOToECTION AGENCY eva eanrnSn ceeesio 21 October 2002 MEMORANDUM: ) SUBJECT: Focussed statistical analysesof APFO datma en wd oveinglos FROM: Efabeh i Margesches PhD, Stasis 5 , { oe S o RExiissktiAnsgseCshsemmeinctalDsivAisssieosns(m4en0t3BMr)anch OY ; S2338 0: Katherine Asitole, Ph.D.

Determination of Ultraviolet Spectrum: 8-2 Telomer B Alcohol DUPONT REPORT # 12734 8-2 TELOMER B ALCOHOL, C4F1;CH,CH,0H: ULTRAVIOLET SPECTRUM Test Guideline(s) Authors MarAy Kaiser, PD.

co A226 1316 [wow \v DuPontTelomerInformation |oxowwmon Meeting, May 2,2003 | mmCeomntoawisn|swRooCBImanAs R- 23]6 pl Peery [PatyDenials [BlOshide | ees ounsam | teatime Spier] | on 1EPA Co lJoovornssaut-rsuioots[|deaohimdma ecmhensinopomaE=]Sh | | ---- eee Ee Lv 1 1 2] Contains No CBi Fr |

COVAANNCCEE AR R86 -- 1358 Sponsor: 3M FINAL REPORT Study Title: 4-Week Capsule Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS; T-6295) in Cynomolgus Monkeys Author: PeteJr.

ATTACHMENT 2 AR226-1540 SEPTEMBER 2002 THROUGH AUGUST 2003 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS DuPont Washington Works Facility Parkersburg, West Virginia RECEIVED OPPT NCIC 2003 October 31 8:25AM Prepared for: West Virginia Department of Environmental Protection Division of Air Quality 7012 MacCorkle Ave, SE Charleston, WV 25304-2943 Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington, DE 19898 October 17, 2003 1.

AR 22 _066 70 ATTACHMENT TO LETTER TO C.

BACK TO MAIN ACUTE ORAL TOXICITY TO TERRESTRIAL INVERTEBRATES (HONEY BEE) TEST SUBSTANCE Identity: Perfluorooctanesulfonate;may also be referredto as PFOS or FC-95. (1-0ctanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks field: The 3M productionlot number was 217.

BACK TO MAIN - 1 - PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN OYSTER, CRASSOSTREA VIRGINICA, FROM THE GULF OF MEXICO AND CHESAPEAKE BAY John P.

._.q ,I ] ', i i "1 ,I _ ' i::_] '"_"_I D 'i BIODEGRADATION STUDY REPORT Revision 1 Wednesday, November 06, 2002 Biodegradation Screen Study for Telomer-Type Alcohols PROJECT NUMBER 3M Projects ID: E01-0684 Pace Contract Analytical Projects ID: CA085 STUDY DIRECTOR Cleston C.

Page 1 FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.

Toxicological Summary PFOS Dietary Chronic Pilot Reproductive Study: Mallard Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoropotassium salt, CAS# 2795-39-3 Test Remarks: The test substance is a white powder (3M Lot #217).

PFOS: A REPRODUCTION STUDY WITH THE NORTHERN BOBWHITE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

AR226-2190 ^ Debbie J Mulrooney 08/27/2001 02:32 PM To: cc: Subject: Robert FPinchot/DEV/AE/DuPont@DuPont Revised Base Case Rob, Here are the results for the base case with the fine powder dispersion vent at 12,000 acfm Instead of 18,000.

2195 Front Street Logan.