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.

SOIL ADSORPTION - REVISED TEST SUBSTANCE____________________________________________ Id en tity: Perfluorooctanesulfonate; m ay also be referred to as P FO S or F C -95. (1 O ctanesulfonic acid, 1,1 ,2 ,2 ,3 ,3 ,4 ,4 ,5,5 ,6 ,6 ,7 ,7 ,8 ,8 ,8 -h e p ta d e c a flu o ro -, potassium salt, C A S # 2 7 9 5 -3 9 -3 ) R em arks: The test substance is a w hite powder.

Toxicological Summary PFOS 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).

Study TMe FC-143: Two Year Oral Toxkct-Oncogemcity Study in Rats PEERREVeWOFOVAME8 APEPOexutptehBeroroCirm*s.4Me7na4tanlnP,aDth.Vol.Mog.yLaboratories, lac.

Biennial Report for the Manufacture of APFO Calendar Years of 2002 and 2003 DuPont Company - Fayetteville Work Page 1 of 4 /87& Biennial Report for the Manufacture of APFO Calendar Years of 2002 and 2003 DuPont Company - Fayetteville Works Note: The information contained in this document is submitted voluntarily and may be subject tofuture revision and/or modification.

AR226-2178 Chris E Shoop 08/16/2001 03:27 PM To: Debbie J Muirooney/AE/DuPont@DuPont cc: Subject: Building Heights, etc.

AR226-2278 Robert F Pinchot 04/23/2002 03:03 PM __________________ T o : M .

AR226-2355 A.FArV Fttert: } (gUPQH^ DuPont Engineering A n d re w S .

TRADE SECRET Study Title H-24018: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2927 AR226-3157 DuPont-2927 A u t h o r : Carol Finlay, B.A.

AR226-3164 DuPont-2925 TRADE SECRET Study Title H-24000: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2925 Author: Carol Finlay, B.A.

TRADE SECRET AR226-3167 DuPont-4725 Study Title H-24516: Static, Acute, 96-Hour Screening Test with Pimephales promelas Laboratory Project ID: DuPont-4725 Author: Robert A.

AR226-3206 D uP on t-2931 Supplement N o. 1 TRADESECRET Study TUle H-24042: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2931 Author: Carol Finlay, B.A.

September 29,2006 Page 3 ATTACHMENT 2 Tables and excerpts from the draft protocols that contain raw data C-8 blood levels.

T-7485: A REPRODUCTION STUDY WITH THE NORTHERN BOBWHITE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

Katherine E.