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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.

3M Specialty Materials Igfff December 20, 2001 3M Center St.

30 June 2003 To: Mary F.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 OKIE 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.

3M MEDICAL DEPARTMENT TOXICOLOGY SERVICES cc: John Butenhoff From: MarvCase Subject: Covance Study 6329-222 Date: 27 July 1998 On 22 July 1998 when I was at Covance Madison, I reviewed the microscopic liver tissue sections of the monkeys on the 4-week oral rangefinder study of PFOS (Covance study 6329-222).

Internal Correspondence dc: V.

3M ENVIRONMENTAL LABORATORY REPORT NO.

GLP10-01-02; Interim Report 37 - Analysis of PFBS, PFHS, and PFOS in Water Samples Collected at the Former Bert Jeffries Property in Decatur, AL - October 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 POOO3268; Interim Report#4 Analytical Report Analysis of PFBS, PFHS, and PFOS from 3M Decatur Offsite 600 Series Wells MPI GLP Protocol Number: P0003268 Interim Report#4 Data Requirement 40 CFR Part 792 Author M ichelle 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... ..

Corporate Health Physics Corporate Occupational Medicine Corporate Product Responsibility Corporate Toxicology 3M Medical Department 3M Center, 220-2E-02 PO Box 33220 St.

fjVQ6-OOG6 Centre Analytical Laboratories, ine 3048 Research Drive Phone: (814) 231-8032 State College, PA 16801 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Pensacola, FI (W2176) Centre Analytical Laboratory Report No. 023-007D Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

T - 3 *1 1 1 t & - O Z23 \ /'- ' 28 Dermal Percutaneous Absorption Study with FC-128 in Albino Rabbits Experiment No.

Afm 6- o w MECHANISM OF TOXICITY OF A UNIQUE PESTICIDE:m ETHYLPERFLUOROOCTANE SULFONAMIDE (NEPFOS), A .