3M Katherine E.

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3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M Environmental Laboratory Report No.

3M ENVIRONMENTAL LABORATORY REPORT NO.

STLS F.

3M Environmental Laboratory Final Report- Analytical Study Single-Dose Dermal Absorption/Toxicity Study of T-6052 in Rabbits In-Vivo Study Reference Number: HWI#6329-135 Study Number: AMDT-020795.1 Test Substance: FC-120 (T-6052) Name and Address of Sponsor: 3M SCD Division 367 Grove Street St.

BACK TO MAIN 3M Environmental Laboratory Report No.

BACK TO MAIN 3M Environmental Laboratory Report No.

Attachments to Letter to C.

3M Specialty Materials 3M Center FihoWO- /37gSt.

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^PRO 1 AZ 1 2 6 - I07Z UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 MAR 1 1 2002 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES Dear Interested Party: Attached please find copies of two related documents that published in today's Federal Register: a Final Rule (67 FR 11008) on 13 known discontinued perfluoroalkyl sulfonate (PFAS) chemicals making any new manufacture or importation a significant new use; and a Supplemental Proposed Rule (67 FR 11014) on 75 additional chemicals, proposing to exclude from the definition of "significant new use" specifically defined, low volume, controlled exposure uses in semiconductor manufacture, aviation hydraulics, and photography, but to otherwise require submission of a significant new use notice (SNUN) for any manufacture or import of these chemicals after December 31, 2002.

39 ff UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 1133 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES 21 October 2002 MEMORANDUM: SUBJECT: Focussed statistical analyses of APFO data on >and preweaning loss g?