AR226-3385 Subchronic, Developmental, and Reproductive Toxicity o f a Fluoroalkylethyl Phosphate Surfactant J.C.

AR226-3395 Repeated Dose Oral Toxicity of 8-2 Telomer B Alcohol Range-Finding Study in Rats G.L.

Katherine E.

3Afl A&2S16- $S7Z 3M ENVIRONMENTAL LABORATORY PROJECT NO.E05-0442 Analytical Report Definitive Study: Quantitative Screening of Commercial Lots of Human Serum Obtained in 2004 for Endogenous Fluorochemicals Using Solid Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry Laboratory Request Num ber EQ5-0442 Testing Laboratory 3M Environmental Health and Safety Operations 3M Environmental Laboratory' _________________ _ _ _____________________________________________ ;_________ _ 3M Environmental Laboratory Project Lead Mark E.

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fi/OOLS&l O DU PONT DE NEMOURS (NEDERLAND) B.V.

Katherine E.

P-1 "M cC rea, Deborah" < m ccrea@ taftlaw .co m > 0 8 /2 1 /2 0 0 9 10:52 AM To N C IC O P P T @ E P A cc "Bilott, R obert A." < bilott@ taftlaw .com > bcc S ubject 0 8 /2 1 /2 0 0 9 Letter To E PA D ocket C enter P tL X ^ -^ a i Taft/ Deborah McCrea / Legal Assistant Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 Cincinnati, Ohio 45202-3957 Tel: 513.381.2838 Fax: 513.381.0205 www.taftlaw.com / mccrea@taftlaw.com o 7cz cn ro o o PO Internal Revenue Service Circular 230 Disclosure: As provided for in Treasury regulations, advice (if any) relating to federal taxes that is contained in this communication (including attachments) is not intended or written to be used, and cannot be used, for the purpose of (1) avoiding penalties under the Internal Revenue Code or (2) promoting, marketing or recommending to another party any transaction or matter addressed herein.

Taft Stettinius & Hollister LLP 4 2 5 W alnut Street, Suite T 80 0 /C in cin n a ti, OH 4 5 2 0 2 -3 9 5 7 /Tel: 5 1 3 .3 8 1 .2 8 3 8 / Fax: 5 1 3 .3 8 1 .0 2 0 5 / w w w .taftlaw .com Cincinnati /Cleveland /Colum bus /D ayton /Indianapolis /Northern Kentucky /Phoenix /Beijing Robert a .

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P-1 "McCrea, Deborah" < m ccrea@ taftlaw .com > 1 2 /28/20 09 01 :55 PM To N C IC O P P T @ E P A cc "Bilott, R obert A." < bilott@ taftlaw .com > bcc Subject 1 2 /2 8 /2 0 0 9 Letter To EPA D ocket C enter Taft/ Deborah McCrea / Legal Assistant Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 Cincinnati, Ohio 45202-3957 Tel: 513.381.2838 Fax: 513.381.0205 www.taftlaw.com / mccrea@taftlaw.com ovO c?

AAA6-0679 MULTI-CITY STUDY FINAL FIELD REPORT FOR COLUMBUS GEORGIA AND PORT ST.

Ar s.a.6 - OlifJl ACUTE TOXICITY 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-203C and L-5440. (1-Octanesulfonicadd, 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 3M production lot number was not noted.

-AH AS.G _ o 8 0 5 TO XICITY TO AQUATIC PLANTS TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFOS, FC-95, or as a component of FC-206C and 81-2/8. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Rem arks: The test sample is FC-206C.

r AG Fluoropolymers ASAHI GLASS FLUOROPOLYMERS USA, IMG AA8.