A f . 2 . i > 6 f c/ exhibit a P-2 Weekly Morbidity and Mortality Weekly Report ___________May 5, 2006 /Vol. 55 / No. 17 State Prevalence of Self-Reported Doctor-Diagnosed Arthritis and Arthritis-Attributable Activity Limitation -- United States, 2003 Arthritis is costly ($86 billion annually), highly prevalent (affecting 43 million U.S. adults), the leading cause of dis ability, and associated with substantial disparities in pain, activity limitations, and compromised quality of life (1- 3).

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 R o b e r t a .

AZ.2Z 6 - 5 7 lf .lt Presented at Society of Toxicology 4&hAnnual Meeting San Diego, CA.

INTERIM REPORT #26 - Analysis of Groundwater Samples STUDY TITLE Analysis of Perfluorooctanoic Acid (PFOA) 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 January 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.

AKZ2G - BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC -201. (1Octanesulfonic acid, perfluoroalkyl sulfonate salts (5) + (5140P)) (CAS # 2795-39-3) Rem arks: The 3M production lot number was not noted.

M AA& - oz S 3 MICROBIOS MICROTOX TOXICITY TEST TE$T_SUB.STANCE_______________________________________ _ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-3003. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR *6 - TO XICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-3017. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR AA6 _ //-3S' i' ' f ^ r 'iT ''is i/i

GLP10-01-02; Interim Report 29 - Analysis of PFBS, PFHS, and PFOS in Groundwater Samples Collected at Off-Site Wells in Decatur, AL in March/April 2012 Study Title Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 P hone:610-701-3761 Author Susan W olf 3M Environmental Laboratory Interim Report Completion Date Date of signing Performing Laboratory 3M Environmental Health and Safety Operations Environmental Laboratory 3M Center, Bldg 260-05-N-17 St.

3M ENVIRONMENTAL LABORATORY REPORT NO.

SEVERN TRENT STL STL Chicago 2417 ond Street University Park, IL 60466 Tel: 70S 534 5200 Fax: 70S 534 5211 www.stl-inc.com SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB -NUMBER:- 244402'"' ' P r e p a r e d 'F o r : W e sto n Solutions.,...

SEVERN TRENT STL STL Chicago 2417 Bond Street University Park, IL 60466 Tel: 70S 534 5200 Fax: 70S 534 5211 www.stf-inc.com SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB- NUMBER: 244550 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499' Project: Confidential Decatur. - F C i I n v e s t i g a t i o n Attention: Sue Stefanosky Bate: 03/09/2006 Tille: Project Manager E - M a i l : rwright@stl-i n e .com This Report Contains Leaders in Environmental Testing Date ........

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 249891 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur Attention: Jai Kesari Date: 01/03/2007 Signature Name: Richard C.

STL Burlington Colchester, Vermont Sample Data Summary Package SDG: 117702 SEVERN TRENT STL December 4, 2006 Mr.

3M Environmental Laboratory AR116- ooz^ k) M ethod Analysis of Potassium Perfluorooctanesulfonate or O ther Fluorochemical Compounds in Urine E xtracts U sing H PL C -E lectrospray/M ass Spectrometry/M ass Spectrom etry Method Number: ETS-8-97.0 Adoption Date: Author: Lisa Clemen, Robert Wynne, Glenn Langenburg Revision Date: Approved By: Laboratory Manager Group Leader ------ _ 7 / u /y 5 Date f/Z-37# Date - A C iu m -____________________ ______________________ Technical Reviewer Date 1.0 Scope and Application_________________________________________________ 1.1 Scope: This method describes the analysis of urine extracts for fluorochemicals using HPLC-electrospray/mass spectrometry. 1.2 Applicable Compounds: Fluorochemicals or other ionizable compounds. 1.3 Matrices: Human, rat, and monkey urine, or other fluids as designated in the validation report.