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AD BIOSEARCH, iNC. p.o.box 8598 philadelphiap,ennsylvania19101 t e Ie p h o n e 2 1 5 848-4499 Submitted to: Material: Sample Received: Date of Report: Test: Obiectof Test: Procedure: Restilts: Conclusion: 3M Company 3M Center St.

BIODEGRADATION (WARBURG) TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acemtaytea;lso be referredtoas PFOSAA, FC-1 28 oras the major component of FC-1 27, FC-1 29, FC-1 09, or FC-1 09-X.

/0 Submitted to: BIOSEARCH, INC.

&Tad - < 3m | RIKER LABORATORIES, INC

: ARz26 -02% International Research and Development Corporation SPONSOR: 34 Company COMPOUND: FH-3422 SUBJECT: Ninety Day Subacute Rat | Toxicity Study

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ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanoic PFOA ammonium acid, salt, ammonium Ammonium salt; may also be referred perfluorooctanoate, PFO, to as FC- 116, FC-126, FC-169, or , ammonium salt, CAS# 3F6C2-51-4236.-1()Octanoic acid, pentadecafiuoro- 1R4e3m.arIkt'ss :puritTyhweas3Mnoptrsoudfufcitciieonntllyotchnaurmabcteerriwzaeds,8t3h.oTuhgeh tceusrtresnatmipnlfeorimsaFtCio-n ainnddicCastepseriftlisuoaromiaxntaulroegoufe96c.o5mp-o1u0nd0s%.test substance and 0 -- 3.5% Ce, Cr, METHOD: Method: Not noted.

AR226 _ 02897 BIODEGRADATION (301E) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-3017.

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BIOACCUMULATION TEST SUBSTANCE Identity:N-EthylperfluorooctanesIufonamide;may also be referredto as U1464, ETFOSA, ETPOSA, F-6309, or FX-12. (1Octanesulfonamide,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethylC-A,S # 4151-50-2) Remarks: Materialisa white solidofuncharacterizedpurity.

BIOACCUMULATION (ANALYTICAL ONLY) TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acmeatyatael;sobe referredtoas PFOSAA, FC-128 oras themajor component of FC-127, FC-129, FC-109,or FC-109-X.

pR6-0BEE-25 STUDY SUMMARY FOR WORK PERFORMED DURING 1977-1979 EST SUBSTANCE. -- ---- Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8- heptadecafiuoro-, potassium salt, CAS #2795-39-3) Remarks field: The test substance is a white powder of uncharacterized purity.

BACK TO MAIN SOIL ADSORPTION (METHOD DEVELOPMENT) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

AR226-2377 X-** HCT.