3M Environmental Laboratory Final Report- Analytical Study Single-Dose Dermal Absorption/Toxicity Study of T-6053 in Rabbits In-Vivo Study Reference Number: HWI#6329-137 Study Number: AMDT-022195.1 Test Substance: FC-99 (T-6053) Name and Address of Sponsor: 3M SCD Division 367 Grove Street S t Paul, MN 55106 Name and Address of Testing Facility: 3M Environmental Technology & Services 935 Bush Avenue St.

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06/15/2000 ENVIRONMENTAL LABORATORY ARCHIVED FINAL REPORT B A C K TO MAIN AR226-1030A029 LAB REQUEST NO.

BACK TO MAIN PFOS: A 7-DAY TOXICITY TEST WITH DUCKWEED (Lemna gibba G3) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

F y r- 0500 - 137i ARUG-oot/0 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 M ains No Cfil May 25, 2000 FYI-00-001378 O FFICE O F PREVENTION, PESTICIDES AND TOXIC SU BSTA N CES FY I-0 0 -0 0 1 3 7 B DA3SS3MMtpti.trenePcCC:caitaeuWoolnlmtr,yit,lepMlEMriaa,nnNmaBvytil,eArdrIo5ginan5W.clm1.s24e3eGp4n6prt-oan1lueB,rpH,-1Pe0haltDh., Safety & Regulatory Affairs SUBJECT: FYI-0500-01378 85000000003 er--DICo\n3cCD 1mDO 'n r 3?

Attachments to Letter to C.

Attachments to Letter to C.

Larry R.

3M Specialty Materials October 3, 2002 3M Center St.

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3M Specialty Materials 3M Center St.

Katherine E.

T-6295.28 Final Report T-6295.28: Analysis of Liver Enzymes, Glycogen, and Perfluorooctane Sulfonate (PFOS) Concentration in Samples from T-6295.25: One-Generation Reproduction Study of PFOS - Mevalonic Acid/Cholesterol challenge and NOEL Investigation in Rats.

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SRPT T-6295.8, T-6316.4, T-6868.2, T-7071.1, T-7132.1 DT15-B f t 3 3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY Title: Comparative Molecular Biology of Perfluorooctanesulfonate (PFOS, T-6295), N-ethyl perfluorooctanesulfonamido ethanol (N-EtFOSE, T-6316), N-Ethyl perfluorooctanesulfonamide (N-EtFOSA, T-6868), Perfluorooctanesulfonamido acetate (FOSAA, T-7071), and/or Perfluorooctanesulfonamide (FOSA, T-7132) of in Rats and Guinea Pigs following Oral dosing.