NOTICE: The information provided to the agency contains information that 3M voluntarily has submitted as part of our continuing discussions with the EPA regarding fluorochemistry.

CHAIN OF CUSTODY / ANALYSIS REQUEST FORM Tuscaloosa Testing Laboratory T: 256-353-2910 PAGE / of "2-- PROJECT INFORMATION Client: Weston Solutions, Inc. 1400 Weston Way, Bldg. 5-2 West Chester, PA 19380 T: 610-701-3761 F: 610-701-7401 Project Manager: Jai Kesari em<ail: i.kesaritf&westonsolutions.com Project Name: Reference No: Decatur, AL FSIA GP Investigation 02181-129-081-0001 ANALYSES REQUESTED Sampler: T.

3M General Offices U&S1 f f 3M May 4, 2000 3M Center St.

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C O RN IN G Hazleton MUTAGENICITY TEST ON ; IN AN /A VIVO MOUSE MICRONUCLEUS ASSAY FINAL REPORT AUTHOR Hemalatha Murli, Ph.D.

NOTICE: The information provided to the agency contains information that 3M voluntarily has submitted as part of our continuing discussions with the EPA regarding fluorochemistry.

BACK TO MAIN 3M Environmental Laboratory Report No.

DISSOLVED OXYGEN CONTRAII ON - mg/1 BACK TO MAIN Z ra< < a a3 a* u u- Z 1NU3J J avn z TIME - minutos BACK TO MAIN 3M E n v ir o n m e n t a l L a b o r a t o r y A cu te T o x i c i t y o f a Compound (S u b s ta n c e ) t o - A c t i v a t e d S ludge, M ixed U g jja r P r o t o c o l R e f e r e n c e : EAR 11 / 8 / ?

BACK TO MAIN SANITIZED REPORT EXPLORATORY 28-DAY ORAL TOXICITY STUDY WITH TELOMER ALCOHOL, TELOMER ACRYLATE.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P h on e : (814) 231 -8032 Fax: (814) 231 -1253 or (814) 231 -1580 Analytical Report Fluorochemical Characterization of Sediment, POTW Sludge, and Landfill Leachate Samples Columbus, GA (W2336) Centre Analytical Laboratory Report No. 023-014U (Revision 1) Revision Date 3/28/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environm ental Laboratory Contact Kent R.

BACK TO MAIN Executive Summary of Hydrolysis Studies 3M has completed a series of studies of the hydrolytic reactions of various fluorochemicals.

BACK TO MAIN 3M Environmental Laboratory Report No.

BACK TO MAIN TOXICITY TO AQUATIC PLANTS (SELENASTRUM CAPRICORNUTUM) TEST SUBSTANCE___________________________________________ Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L-13492.

BACK TO MAIN Study Title Acute Toxicity of L - i '492 to the Daphnid, DapJinla magna Data Requirement: Guideline Humber u.s.

ACUTE TOXICITY TO FISH - /t / iw a f i-0111 TEST SUBSTANCE_______________________________________________ Identity: Perfluorooctanesulfonate, Lithium salt; may also be referred to as PFOS Li salt, FC-94, or FC-94-X. (1-Octanesulfonlc acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, lithium salt, CAS # 29457-72-5) Remarks: Test sample was taken from 3M production lot #1.