000716 HECYCLED I t ili ~9W6W v-> * AR *(>- S W Susan S Mileti 03121/2000 05:09 PM To: cc: Subj Geny & Steve, below is the summary of the CW and 3M Employee blood data.

P ills b u ry W inthrop Shaw Pittm an^ srff January 5, 2006 > fi R 2300 N Street NW Washington, DC 20037-1128 rR 9-Si G _ Tel 202.663.8000 Fax 202.663.8007 www.pillsburyiaw.com ^ David E.

K ath erin e E.

INTERIM REPORT #27 - Analysis of Groundwater Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE February 9, 2007 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

SEVERN TRENT STL STL Chicago 241 / Bond Street University Park, IL 6 0 4 6 6 Tel: 78 5 3 4 5 2 0 0 Fax: 70S 5 3 4 5211 www.stl-inc.com SEVERN TR ENT L A B O R A I:o r i e iW :\, JOB NUMBER: 232676 P r e p a r e d.

SEVERN T RENT STL STL Chicago 2 41/ Bond Street University Park, IL 6046b Tel: 708 534 5200 Fax; 708 534 5211 www.si/-jnc.com s iv e r n it r e M ANALYTICAL ::JOB :N C M B E K : i-2;33 6 2 9 Prepar ed For : ' /Weston o 1u tion s , Inc . 1,400 West o n Way Building " 5-2... ..

M A A 6 - OZH3 ACUTE TO XICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE_______________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-602. (1Octanesulfonic acid) (CAS # 2795-39-3).

09W ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).

c Adobe There's more to Acrobat than the Reader!

3M Specialty Materials 3M Center St.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M 3M ENVIRONMENTAL LABORATORY PROJECT E05-0210; INTERIM REPORT #20 Interim Report #20: Analysis of Water Samples from Northern Alabama Potable Water Systems, February 2006 Study Title A n a lysis o f Per flu o r o b u ta n e s u lfo n a te (PFBS), Pe r flu o r o h e x a n e s u lfo n a te (PFHS), AND PERFLUOROOCTANESULFONATE (PFOS) IN WATER, SOIL, SEDIMENT, FISH, C la m s , V e g e t a t io n , S m all Ma m m a l Liver a n d S m all Ma m m a l S erum Usin g LC/MS/MS for the 3M Decatur Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR 792 Author Susan T.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 239579 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Sue Stefanosky Date: 09/09/2005 Signature Name: Richard C.

A R n Q'oofy PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE SALTWATER MYSID (Mysidopsis bahia) FINAL REPORT WILDLIFE INTERNATIONAL LTD.

A R X -o '33 G-C Final Report Salmonella - Escherichia co/zTMammalian-Microsome Reverse Mutation Assay with PFOS PREPARED FOR: 3M Corporate Toxicology COVANCE STUDY NUMBER: 20784-0-409 001923 C O V A trc > THE DEVELOPMENT SERVICES COMPANY FINAL REPORT SALMONELLA - ESCHERICHIA C0Z//MAMMALIAN-MICROSOME REVERSE MUTATION ASSAY WITH PFOS AUTHOR Michael S.