ent t .Winter Johnson & Hill PLLC mtm* A V * 304 345 7830; 0 1/15/0 3 12:21PM;#040; Page 2 /3 tts n n p y tm m s i Canto 22S .Frcit Street lumttja,OH 40215-109 s u t* o f Ohl EaWromatttal Afocy . m s t< i*v u -a e o FAX: ti oa^-zsas .... ' .

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.

SRPT 3M Strategic Toxicoloev Laboratory Study Title: Acute Inhalation Toxicokinetic Study of Perfluoroctanesulfony!

Toxicological Summary AR226-1752 PFOS Dietary Chronic Definitive Reproductive Study: Northern Bobwhite 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-heptadecafluoro, potassium salt.

3M FLUOROCHEMICAL SUBMISSIONS February, 2002 - May, 2004 INDEX OF 3M'S 2002-2004 AR-226 DOCKET SUBMISSIONS BY DATE FEBRUARY 2002 February 1, 2002 Click on Study Title to View Report Back to Menu TSCA 8(e) Notice of Draft Reports of Reproduction Studies of Northern Bobwhite and Mallard and PFOS February 28, 2002 TSCA 8(e) Notice of Draft Final Report on Ammonium Perfluorooctanoate (APFO) in an Oral (Gavage) TwoGeneration Reproduction Study in Rats.

3M Company Page 1 of 63 FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.

BACK TO MAIN 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE Click on Study Title to View Report Multiple Chemicals 1.

Larry R.

3M General Offices 3M Center St.

Toxicological Summary pros Dietary Acute Mallard Study 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-heptadecafluoro-, potassium salt, CAS# 2795-39-3 Remarks: The test substance is a white powder (3M lot #217).

AR226-2185 EXPOSURE EVALUATION FOR NEW PROCESS AT FAYETTEVILLE SITE Prepared by DuPont Engineering Technology Debbie Mulrooney Cathie Barton August 20, 2001 EID293489 TABLE OF CONTENTS Executive Summary 1.

AR226-2246 Robert F Pinchot 01/15/2002 03:27 PM ' To: Bernard J Reilly/AE/DuPont@DuPont ccz Subject: Model Results- Privileged Communication See attached fo r the m odeling results for the cistern locations.

AR226-2360 E L du Pont de Nemours and Company W ashington W orks Halb P.O.

AR226-2517 Mark E Reeder 05/21/2002 09:20 A M To: Michael G McClusky/AE/DuPont@DuPont cc: Ta-Wel Fu/SE/DuPont@ DuPont Subject: Water Samples The C-8 results on the float tank samples you submitted are listed below.

AR226-2553 To: Andrew S Hartten/AE/DuPont@DuPont Co: Subject: request for Information on perfluorochemicals can you make a m eeting this afternoon at 3:15 at chestnut run 711 . . . . . .