/3f PFO S: A TO X IC ITY TEST TO DETER M IN E TH E EFFEC TS O F TH E TEST SUBSTANCE O N SEED LIN G EM ERG ENCE O F SEVEN SPEC IES O F PLA N TS FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

Toxicological Summary PFOS Dietary Acute Northern Bobwhite Study Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS# 2795-39-3 Remarks: The test substance is a white powder (3M lot #217).

Final Report on A Pharmacokinetic Study of Potassium Perfluorooctanoate in the Cynomolgus Monkey T " ~ 7^ r ^ - l To: 3M Corporation P.O.

UDR-TR-03-00044 Final Report - LaboratoryScale Thermal Degradation of Perfluoro-Octanyl Sulfonate and Related Substances June 2003 Final Report Laboratory-Scale Thermal Degradation of Perfluoro-Octanyl Sulfonate and Related Precursors This report covers the efforts performed by the University of Dayton Research Institute (UDRI), Environmental Science and Engineering Group, Dayton, OH 45469OX32, during the period from March 2001 to December 2002.

ADDITIONAL COMMENTS OF 3M COMPANY TO THE EPA SCIENCE ADVISORY BOARD PFOA REVIEW PANEL APRIL 18, 2005 CONTACT: JOHN L.

3M General Offices mH?

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,T estR esu)ts \ AR226-2120 flle:///C|/WLNDOWSn iMVim>8 5F IZ-I l - / y mru iz.-1 3 -iy.n m i Test Results Sam ple Date Range Concentration Range Action Level Industrial Hygiene 12/11/79 100% 12/13/79 Sample Dt Sample # Duration Type Employee Name Pers B T O : 08 TEFLON@ LOC: 706 FINE POW DER D RYER #3 12/13/79 48579 S Chemical Cone Unit Percent c ' 8 <0.0001 PPM 0.0% BTO: LOC: 08 TEFLON 707 FINE POW DER D RYER #2 12/11/79 60139 S C-8 0.0038 PPM 0.0% ) 1of 2 8/9/2001 3:50 PM EID139475 ,,T estR esults 4 V ** I * Thursday.

AR226-2241 /f* Debbie J Mulrooney 01/07/2002 01:14 PM To: Robert F Pinchot/DEV/AE/DuPont@DuPont cc: Subject: Modeling Results Rob, Here are the contour plots and maxim um concentrations from the straight dispersion runs (no deposition or depletion) for both 2 000 actual and permitted emissions.

AR226-2272 r~ .1...

TRADE SECRET Study Title H-23960: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2922 AR226-3152 DuPont-2922 Author: Carol Finlay, B.A.

TRADE SECRET AR226-3167 DuPont-4725 Study Title H-24516: Static, Acute, 96-Hour Screening Test with Pimephales promelas Laboratory Project ID: DuPont-4725 Author: Robert A.

AR226-3207 DuPont-5991 TRADE SECRET Study Title DevelopmentaHl T-2o4x5i1ci6t:y Study in Rats Laboratory Project ID: DuPont-5991 Test Guidelines: UO.PSP.TESPA87H0.e3a7l0th0EPfrfeencatstaTl eDsetvGeuloidpemliennetsal Toxicity Study OSeEcCtiDonG4u, iNdoel.i4n1es4for the Testing of Chemicals Author: Susan M.

AR226-3649 F 'A T - 0 ' 1'37 g, FV - -- 0/37?

p.1 A K S .A 6 - U U- INTERIM REPORT # 10 - Analysis of Fish and Clam Sample STUDY TITLE Analysis of Perfluorobutancsulfonate (PFBS), Pcrfluorohcxancsulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal liv e r 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 May 09, 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.