3M ENVIRONMENTAL LABORATORY REPORT NO.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244884 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 03/20/2006 Signature Name: Richard C.

\f vasr ntrA AUEnpnvoitinerdeoynSmtaetnetsal Protection flRl%-COOO A<C1no7dm03Pm}uubnhiecaAtilofsnirs*, SdaeaSem, Environm ental News FOR RELEASE: TUESDAY, MAY 16,2000 Following negotiations between EPA and 3M, the company today announced that it will voluntarily phase out and End substitutes for pcrfluorooctanyl sulfonate (PFOS) chemistry used to produce a range of products, ipppnolecartlnesuinssdtttiieonanlgpltyhsinaopsmotehseeeooueaftnrtvaihnsirekdoirntdomSeheveouentmltco*hpahgnsaauhvrbedesaaltliitntshuetrtsaoe.nsnd3gbMtytheeyndeedaanetravn'scisryueopnntopdmlafieeocndcrtuttohomveEueplrPartAothedeiiunnlcodthniicouganmtteeoardnfmttahh.neaEditrPtahiAnneivsmsoeulacvplheptediosmrsptuisrcoeatdshluseacnactdrose.mcvopeuarlyndy's eliminat"eTdo,daanyd'sppuhbaliscehoeuatlathnnaonudntcheemeennvtirboyn3mMenwt willilelnbseurperothteacttfeudt,u"rseaeidxpEoPsAureAtdomthineissetrcahtoemr CicaarloslwMil,lBbreowner.

BACK TO MAIN Focus Environmental, Inc.

BACK TO MAIN PFOS: A FROG EMBRYO TERATOGENESIS ASSAY -XENOPUS (FETAX) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

STABILITY IN WATER (PHOTOLYSIS) TEST SUBSTANCE Identity: Perfluorooctanesulfonate-potassium salt.

A R X & 'O o i CAS Number 1763-23-1, 29081-56-9, 70225-14-8, 2795-39-3, 29457-72-5 / 3M Company / 4/27/2000 l Voluntary Use and Exposure Information Profile Perfluorooctane Sulfonic Acid and Various Salt Forms I.

CAS Number 335-67-1,3825-26-1,335-95-5 3M Company 6/8/2000 Voluntary Use and Exposure Information Profile Perfluorooctanoic Acid and Salts I.

3M Larry R.

Oct 02 02 03:2Sp Ralph Cooper 919 541-5138 p.2 A ff M $6 _ H8 ft* S*> USE* UNITED STATES ENVIRONMENTAL PROTECTION AGENCY National Health and Environmental Effects Research Laboratory Reproductive Toxicology Division Research Triangle Park, NC 27711 October 2, 2002 OFFICE OF RliSUARCH AND DEVELOPMENT MEMORANDUM SUBJECT: Control v$.

/ ^ 2 6 .

AIL 2-1 6 -1 0 ZT F -Y /-0 1 /- /3 7 & UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 February 14,2001 -4'-2.2G-/SS7 OFFICE OF PREVENTION.

AR226-1486 ENVIRONMENTAL AND HEALTH ASSESSMENT OF PERFLUOROOCTANE SULFONIC ACID AND ITS SALTS August 20, 2003 Prepared by 3M in consultation with Jack Moore, D.V.M., DABT, Hollyhouse, Inc.

3M Specialty Materials 3M Center St.

3M Medical Department Study: T-6295.22 Analytical Report: FACT-TOX-160 LIMS E00-1668 3M Medical Department Study: T-6295.22 Analytical Report: FACTTO X-160 M S E00-1668 Study Title Extended Recovery Study Following a 26-Week Capsule Toxicity Study (FACT-TOX-030) with Perfluorooctane Sulfonate Acid Potassium Salt (PFOS; T-6295.22) in Cynomolgus Monkeys Analytical Laboratory Report Title Determination of the Presence and Concentration of PFOS in Serum and Liver Samples of Cynomolgus Monkeys Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date May 3, 2002 Performing Laboratories Sera and Liver Analyses Sera and Liver Extractions 3M Environmental Laboratory Building 2-3E -09,935 Bush Avenue St.