CLIENT PRIVATE PROTOCOL TITLE: Range findingCytotoxicitAyssay of T-6292,T-6293,T-6294.

VAPOR PRESSURE TEST SUBSTANCE Identity:N-ethylperfluorooctasnuelfonamidoethanolm;ay alsobe referredto as N-ETFOSE Alcoholor FM-3422.

ACUTE TOXICITY TO AQUATIC INVERTABRATES TEST SUBSTANCE (DAPHNIA MAGNA) Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium salt,Ammonium perfluorooctanoatPeF,O, FC116,FC-126, FC-169, FC-143 or as the major component of FC1015.

BIODEGRADATION (BOD/COD) TEST SUB -TANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-603EF. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ARM6-OU30 gd i i CORNING Hazleton i .

AR 226 - 087/ MICROBICS MICROTOX TOXICITY TEST TESTSUBSTANCE Identity: rMeifxetrurreed ctoonatasinPiFnOgSp,erFfCl-u9o5r,ooocrtaansesaulcfoomnpaotenewnhticohf mFCa-y30a1l7so.

AR226-3119 TRADE SECRET Study Title H-23745: Local Lymph Node Assay (LLNA) Laboratory Project ID: DuPont-2642 AUTHOR: Gregory S.

TRADE SECRET Study Title H-24516: Subchronic Toxicity 90-Day Gavage Study m Rats with One-Generation Reproduction Evaluations Volume 3 of 5 Laboratory Project ID: DuPont-5386 AR226-3199 TEST GUIDELINES: U.S.

LaboratorRyeportA,nalysiosfFCs inSamplesofChildrenS'esra,May 21,1999 The datasubmitteodn perfluorooctanesulfcoonnattaeinasnalytdiactawhen certaigneneraclonditiohnasvebeenmet.

CORNINGHazleton MUTAGENICITY TEST ON T-6292 IN AN flVVIVO MOUSE L@ECRONUCLEUS ASSAY FINAL REPORT AUTHOR HemalathaMurli,Ph.D.

COVA-MCE'-*-\ THE DEVELOPMENT SERVICES COMPANY July1,1999 Covance LaboratorieIsnc. 9200 LeesburgPik* Vienna,Virgina22182 Tel:703/893-5400 Fax:703/759-6947 Paul Lieder,Ph.D. 3M CorporateToxicology Building220-2E-02 St.Paul,N4N 55144-1000 Dear Dr.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonicacid)(CAS # 2795-39-3).

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may also be referredto as PFOS, FC-95, or as a component ofFC-3003. (1Octanesulfonicacid)(CAS # 2795-39-3).

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may alsobe referredto as PFOS, FC-95, or as a component ofFC-3017.

CL) 3 ARE-0366 `AAtrttahcuhreMdeanrdeelc,omPrmoejnetcst 9o9n7t0h6e1326M43TeFcahtneiocaflFlRueoproorcthe"Amniaclayltsi,caRleMpeotrhtoNdoo.lo8,gyJana.nd17S,up1p9o7r9t". made by Professor Stephen A.