3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

ANALYTICAL REPORT STL STL Denver 4955 Yarrow Street Arvada, CO 80002 Tel: 303 736 0100 Fax: 303 431 7171 www.stl-inc.com PFOATFOS Analysis Lot#: D7D180342 Laura Vancho/Jane Hanszczyk NJ American Water 213 Carriage Lane Delran, NJ 08075 Severn Trent Laboratories, Inc .

INTERIM REPORT # 21 - Analysis of Soil 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 November 6,2006 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 2 4 1 7 Bond Street University Park, IL 6 0 4 66 Tel: 70S 5 3 4 5 2 0 0 Fax; 7 0 8 534 5211 www.stl-inc.com SEVERN TRENT LABORATORIES ANALYTICAL .RE PORT JOB NUMBER: 2 3 2 0 8 b Prepared For: Weston Solutions, inc,, 1400 Weston Way Building 5-2 Wegt Chester, p a i938-i499 Pro jact : Conf idential Decatur - FC Investigation Attenti on : Jai Ko sari Date.: 1 2 / 3 / 2 0 4 Title: Project.

A d SiG - o G G O N-Et FOSE alcohol Teratology - 000375 HAZLETON LABORATORIES AMERICA.

/W .S i6-067S Centre Analytical Laboratories, Inc 3 04 8 Research Drive Phone: (814) 231-8032 State C ollege, PA 16801 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorocheraicai Characterization of Surface Water Samples Port St.

-M A 2 6 - 0770 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST T E S T SUBSTANCE__________________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC -203FC . (1Octanesulfonic acid) (CAS # 2795-39-3).

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AR A56 - 0lOl ACUTE TO XIC ITY TO FISH (FATHEAD MINNOW ) TEST SUBSTANCE _________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC -3041. (1Octanesulfonic acid) (CAS # 2795-39-3).

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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).

GLP10-01-02; Interim Report 18 Analysis o f PFBS, PFHS, and PFOS in W ater Samples F S IA -J u n e 2011 GLP10-01-02: Interim Report 18 - Analysis of PFBS.

3M Environmental Laboratory IU26-002S M ethod E xtraction of Potassium Perfluorooctanesulfonate or other FLUOROCHEMICAL COMPOUNDS FROM URINE FOR ANALYSIS USING H P L C - Electrospray/M ass Spectrometry/M ass Spectrometry Method Number: ETS-8-96.0 Adoption Date: Author: Lisa Clemen, Glenn Langenburg Revision Date: /\/ j\ Approved By: Laboratory Manager v s f i f i n ------ Group Leader n l fr cluvu!

ARX-ooqo S ACUTE TOXICITY TO AQUATIC INVERTEBRATES (FRESHWATER MUSSEL) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test substance is a white powder.