BACK TO MAIN 3M Environmental Laboratory Report No.

TECHNICAL REPORT SUMMARY " TO: TECHNICAL COMMUNICATIONS CENTER - 201-2CN (lttit~ortant-.

BACK TO MAIN CEntrE Analutical Laboratorks.

LPhone: (814)231-8032 BACK TO MAIN Fax:(814)231-1253 or (814)231-1 580 Analytical Report Fluorochemical Characterization of Surface Water and Sediment Samples Port St.

i P h o n e : (814) 231-8032 BACK TO MAIN Fax: (814) 231-1253 or (814) 231-1580 Analytical Repart Fluorochemical Characterization of Surface Water Samples Cleveland, Tennessee (W'I 973) Centre Analytical Laboratory Report No!.

BACK TO MAIN 3M Environmental Laboratory Biodegradation Studies Executive Summaw of Biodepradation $tudies 3M has completed a series of studies of the biodegradability of various fluorochemical materials based on EPA Guidelines OPPTS 835.3200, OPPTS 835.3210 and/or OPPTS 835.5045.

ACUTE TOXICITY TO FISH (Rainbow Trout) 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.

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MIN 319022356 PERFLUOROOCTANESULFONYLFLUORIDE (POSF) 7 - 7 b b I, 3 IN VZTRO MAMMALIAN CHROMOSOME ABERRATION TEST IN HUMAN LYMPHOCYTES Sponsor 3M Center 3M Corporate Toxicology Building 220-2E-02 St Paul MN 55133-3220 USA Page 1 of 31 Research Laboratory HuntingdonLife Sciences Ltd Woolley Road Alconbury Hunt ingdon Cambridgeshire PE28 4HS ENGLAND Report issued 22 October 2002 001542 MIN 315/022356 CONTENTS Page CONTENTS ................................................................................................................................ 2 COMPLIANCEWlTH GOODLABORATORY PRACTICE STANDARDS.......................

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).

Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendix F] Page 1 of 4 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________________________________________________________ Appendix F: PFOS in Liver Samples Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendix F] Page 2 of 4 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _____________________________________________________________________________________________________________________________________________________________ PFOS in Rat Liver [ppm] Animal No.

: ARa22.6-1896 : RoiIES IPCNORFNOOFTRIEMDCAETTNIITOOINNAULSNUBDBUEJSREICNTTEHSTESO `RTEODAXAINCCDTSOEUTDBHSFETRRAONLMCAETWSHSICSHODANOSTCRBUOEMLEENANCTT Toxicokinetic Screenof FC Title: Methyl Carboxamide (T-7483) In Rats.

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AR226-2095 i .

AR226-2207 ^ Debbie J Mulrooney 11/02/2001 09:43 AM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont C8 Particle Density Rob, In addition to the particle size distribution, I need a particle density in order to start doing a sensitivity analysis.