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 LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244963 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: 03/23/2006 Signature Name: Richard C.

310 Bank Street Decatur, Alabama 35601 256.353.2910 tele 256.353.3944 fax www.TTyNC.com geotechnical analytical * materials * en v ir o n m e n t a l Decatur.

A R 6 _ 06Gi- N-Et FOSE alcohol Teratology- c, 000451 HAZLETON L A B O R A T O R I E S A M E R I C A .

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 zz If January 30, 2002 MEDOW12nfirar0fv.eis0icCchretoPihonnoeargmn,rftlnoCPeesnsonhy,lteMllaDmvul.at.PiiCnAcoria.noualte2PAeCr0crvo4etienv6onte0nrunoeAtli,oDgNnei.nvWacinsy.dio(Tn7o4x0i5cMs ) Fire Fighting Foam Coalition Thomas A.

M s.s.6 _ M ik TSCA NCIC Notification Form for CB!

Andrea V.

ARA6 -- I7JT TSCA NCIC Notification Form for CBI Documents Docket Number: f) 7$ ____________ Document Control Number: Document Date: Document Type: _____________ P________ M CCEZD3 oo mTJ 030 "Orn -o o ro -- i r n 33* 3C o o CO CO sr Th e d o c u m e n t r e f e r e n c e d a b o v e is c la im e d a s c o n fid e n tia l b u s in e s s in fo r m a tio n (CBI) u n d e r Se c t io n 14 o f the To x ic S u b s ta n c e s C o n tro l A c t (TSCA).

Conducted at: During: Conducted by: Report by: Reviewed by: Riker Laboratories, Inc.Subsidiary of 3H St.

A R 3 0 6 - 0 130 -3 C O R N IN G Hazleton MUTAGENICITY TEST ON T-6295 IN AN IN VIVO MOUSE MICRONUCLEUS A S S A Y FINAL REPORT AUTHOR Hemalatha Murli, Ph.D.

ARjU-03 'Ub N I c o v/h 1> THE DEVELOPMENT SERVICES COMPANY 004546 Draft Report 13-Week Dietary Toxicity Study with N-Methyl Perfluorooctanesulfonamido Ethanol (N-MeFOSE, T-6314) in Rats PREPARED FOR: 3M St.

AR2X-05X BIOSEARCH, INC. p.o. box 8598 Philadelphia, Pennsylvania 19101 t el ephone: (215) 848-4499 Submitted to: Materi al : Sample Received: Date o f Report: T e s t: Object of Test: Procedure: R e s u lts : Conclus io n: 3M Company 3M Center S t.

EPA Submissions____________________________________________________________ August 31, 2000_____________________________________________________________ Cover Letter to Charles Auer (EPA) from Bill Weppner (3M) with attachment ______ sheets________________________________________________________________ PFOS______________________________________________________________________ ______ Medical Surveillance and Epidemiologic_________________________________ Interim Report #1, Determination of Serum Half-Lives of Several Fluorochemicals, June 8, 2000 (previously submitted to TSCA 8(e) _____________ docket)________________________________________________________ Data regarding general population OUS blood samples analyzed _____________ by 3M's Environmental Lab in 1999 (no report prepared)_______________ ______ Acute Toxicity________________________________________________________ Report by WARF Institute and accompanying documentation, Primary Skin Irritation and Primary Eye Irritation in Albino Rabbits, Sample _____________ T-1117 (FC-95) November 7, 1974_______________________________ Final Report, Acute Ocular Irritation Test with T-2997CoC in Albino Rabbits, Safety Evaluation Lab and Riker Labs Study No. 0882EB0009, 3M Reference No.