/\R-I26-0%5 Summary PFOS Rabbit Teratology v Study Numbers: 3M T-6295.10, Argus 418-012 Compound & Lot: PFOS (Perfluorooctanesulfonate) - Lot 217, 98.4% pure (SMD Analytical Request c^?

GLP10-01-02; Interim Report 30 - Analysis of PFBS, PFHS, and PFOS in Groundwater Samples Collected at Off-Site Wells on Bert Jeffries Property in Decatur, AL in 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 h o n e :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.

GLP10-01-02; Amended Interim Report 14 Analysis of PFBS, PFHS, and PFOS in Groundwater BFI Morris Farm Landfill - MArch 2011 GLP10-01-02: Interim Report 14 - Analysis of PFBS.

3M ENVIRONMENTAL LABORATORY REPORT NO.

INTERIM REPORT # 2-AnaIvsis of Surface Water 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 March 22, 2005 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 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 ........

Experim ent No.: Conducted At: D ates Conducted: Conducted By: Reviewed By: Primary Skin I r r it a t io n T e st w ith T-3421 in A lbino R abbits 0883EB0288 ARUfe-OatZ V % Safety Evaluation Laboratory Riker L ab o rato ries, Inc.

Internal Correspondence de: M.

AR226-03MI TOXICITY TO AQUATIC INVERTABRATES (E.G., DAPHNIDS) TEST SUBSTANCE______________________________ Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamlde, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8 ,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid, Lot 505 (cc842-3, F6309, L-1089).

Centre Analytical Laboratories, Inc. 304 8 Research Drive Phone: (814) 231-8032 State College, PA 16801 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report FluorochemicaJ.

3M Medical Department Study: T-6295.12 226-1030A004 BACK TO MAIN Analytical Report: FACT TOX-110 LRN-U2849 Study Title Oral (Gavage) Pharmacokinetic Study of PFOS in Rats Analytical Laboratory Report Title Determination of the Presence and Concentration of Perfluorooctanesulfonate (PFOS) in Serum, Liver, Urine, and Feces Samples Data Requirement Not Applicable A u th o r 3M Environmental Laboratory Study Completion Date at signing Performing Laboratories Urine Analyses Feces Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

iTff 3M 3>1 G eneral u n ic es C; r !

AR226-1030A040 BACK TO MAIN Biodegradation study Report The 35-Day Aerobic Biodegradation Study of PFOS Thursday, March 29, 2001 Project Number 3M Project ID: LIMS E01-0444 Pace Contract Analytical Project ID: CA104 Study Director Cleston C.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P hone: (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Cleveland, Tennessee (W1973) Centre Analytical Laboratory Report No. 023-007A (Revision 1) Revision Date 3/19/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.