Ak _ 0135 ACUTE TO XIC ITY TO FISH (BLUEGILL SUNFISH) TEST SUBSTANCE________________________________________________ Identity: Mixture containing Perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206A. (1Octanesulfonic acid) (CAS # 2795-39-3).

Interoffice Correspondence H.E.

Conducted at: During: Conducted by: Report by: Reviewed by: Riker Laboratories, Inc.Subsidiary of 3H St.

/\RXl(rOl93 Submitted to : BIO SEA RC H , INC.

AR23-03W SOIL ADSORPTION 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.

(S)HAZLETON u A B O R T O n ie S A M E R IC A .

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 Sediment and Sludge Samples Cleveland, TN (W1973) Centre Analytical Laboratory Report No. 023-014Q (Revision 1) Revision Date 3/27/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

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 i Attached are comments on the 3M Technical Report "Soil Thin Layer Chromatography - FC95, FC143, FM3422.

AR x a 6 - O g J-6 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) JE ST.SUBSTANCE_________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (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 not noted.

BACK TO MAIN The complete titles of the reports reviewed by Dr.

ARm -OHlC B IO SE A R C H .

PFOA and Associated Salts Environmental Fate and Transport Title Technical Report Sum m ary - Assessm ent of the Bioaccum ulative Properties o f Ammonium Perfluorooctanate: Static (fish test) Laboratory or Author 3M Env.

AR&-O50Z THE EFFECTS OF CONTINUOUS AQUEOUS EXPOSURE TO 78.03 ON HATCHABILITY OF EGGS AND GROWTH AND SURVIVAL OF FRY OF FATHEAD MINNOW (Pimephales promelas) . f=c- /yj RESEARCH REPORT SUBMITTED TO 3M COMPANY ST.

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