A R Z 2 6 'G > Z & International Research and Development Corporation SPONSOR: COMPOUND: SUBJECT: 3M Company FM-3422 Ninety Day Subacute Rat Toxicity Study.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P hone: (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Surface Water Samples Decatur, Alabama (W1979) Centre Analytical Laboratory Report No. 023-014B (Revision 1) Revision Date 3/21/01 Testing Laboratory Centre Analytical Laboratory', Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

BACK TO MAIN BIODEGRADATION (Pure Microbial Cultures) 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 3M production lot number was 217 (TN-A-2130).

SOIL ADSORPTION (METHOD DEVELOPMENT / PILOT STUDIES) 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: Sample was radiolabeled (isotope and labeling position not specified).

A lU 76-o io G > - )3 T O X IC IT Y T O A Q U A T IC P L A N T S (E.G., A L G A E ) T E S T S U B S T A N C E __________________________________________________ Identity: Perfluorooctanesulfonate; m ay a lso be referred to a s P F O S or FC-95. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, C A S # 2795-39-3) R e m a rk s field: The test substance is a white powder (3M Lot 583) of uncharacterized purity.

fR 226~36i{ HYDROLYSIS (ALKALINE) 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.

ACUTE TOXICITY TO FISH AR336-0 W TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, orFC-143.

AKZ2G - BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC -201. (1Octanesulfonic acid, perfluoroalkyl sulfonate salts (5) + (5140P)) (CAS # 2795-39-3) Rem arks: The 3M production lot number was not noted.

h AIW-oHii BIOSEARCH, INC.

A R U G O 363 PHOTODEGRADATION (AQUEOUS) 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.

Interoffice Correspondence cc : H.E.

07JL3 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (GRASS SHRIMP) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

M AS.6 - 0788 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (SCUD) T EST SUBSTANCE___________________________________________ __ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

g6H- oe - 373 / H U 3 6 -ogs$ 'b'T--^ Cotitohit Mo CBI Two Week Oral Rangefinding Toxicity Study of T-2509COC in Rats o o T c: cm rs> '"O .n <n Experiment No.: Dosing Started: Recovery Intervals Completed: Study Director: Testing Facility: Sponsor: EPA-OTS 000811796W GDllTTblil 179RR023 October 3, 1979 November 15, 1979 G.

Interoffice Correspondence cc : H.E.