flR f i - O IM I A International Research and Development Corporation SPONSOR: COMPOUND: SUBJECT: 3M Company Fluorad Fluorochemical FC-143 Ninety Day Subacute Rat Toxicity Study.

C O V M fC > THE DEVELOPMENT SERVICES COMPANY AR X& *0452.

Internal Correspondence /tfU U -o M ia To: P .

M zz - 07S3 BIODEGRADATION (BOD/COD) TEST SUBSTANCE____________________________________________ Identity: Mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

/\R-I26-0%5 Summary PFOS Rabbit Teratology v Study Numbers: 3M T-6295.10, Argus 418-012 Compound & Lot: PFOS (Perfluorooctanesulfonate) - Lot 217, 98.4% pure (SMD Analytical Request c^?

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ft^ - 00,0 TRANSPORT BETWEEN ENVIRONMENTAL COMPARTMENTS (FUGACITY) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic add, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: NA METHOD Test (test type): Fugacity Modeling Method: Level I, II, and III EQC Computer Modeling Year completed: 1999 Remarks field for Test Conditions: Modeling conducted by Don Mackay of D.

CLIENT PRIVATE AR3X-0ia PROTOCOL TITLE: Metabolism of T-6292, T-6293, T-6294, and T-6295 by Rat and Human Hepatocytes SRI Study No.

ARM-OfFI 004635 3M's TSCA 8(e) FLUOROCHEMICAL SUBMISSIONS POCKET NOS. 8EHQ-*** *-0373/0374 8EHQ-****-0394 8EHQ-****-6006 8EHQ-****-6012 888EEEHHHQQQ---************---666000111568 8EHQ-****-6019 8EHQ-****-6023 88EEHHQQ--********--I84652946 GQ436 3M's TSCA 8(e) FLUOROCHEMICAL SUBMISSIONS Docket 8EHQ-****-373/374 SORTED by SUBMITTAL DATE DATE SUBMITTED (Date I-oggedAa HPA)ltcneil U> 11/19/80 8EHQ-1180-0373 S (11/24/80) 11/19/80 (11/24/80) 8EHQ-1180-0374S 2/20/81 (2/26/81) 2/20/81 (2/26/81) 8EHQ-0281-0374S 8EHQ-0281-0373S N-ethyl perfluoroctylsulfonamido ethanol Preliminary information from an ongoing teratology study N-ethyl perfluoroheptylsulfonamido ethanol FC-95 & FC-99 Potassium salt of perfluoro alkyl sulfonates Perfluoroalkyl Mixtures (FC95) Preliminary information from an ongoing teratology study 3M Technical Report regarding presence of fluorochemicals in the blood of some of 3M's plant employees.

AR312G-03MH WATER SOLUBILITY TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide,N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

SOIL ADSORPTION (METHOD DEVELOPMENT / PILOT STUDIES) TEST SUBSTANCE_____________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamlde, N-ethyl1,1,2I2,3,3,4,4,5I5,6I6 I7I7 >8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-I CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

/)R2K-03<($ BIODEGRADATION (WARBURG) TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

Interoffice Correspondence c :H .E .

Interoffice Correspondence cc : H.E.