Corning H2ZIetonInc.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiacid,ammonium saltm;ay alsobe referretdo as PFOA ammonium saltA,mmonium perfluorooctanoatPeF,O, FC-1 16, FC-126, FC-1 69, FC-143, oras a major component of FX-1003.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonicacid)(CAS # 2795-39-3).

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:MixturecontainingPeffluorooctanesulfonatmea;y alsobe referred toas PFOS, FC-95, oras a component ofFC-3072. (1Octanesulfoniaccid)(CAS # 2795-39-3).

BIODEGRADATION (Modified MIT Test) TEST SUBSTANCE Identity: 5)[2-(N-Ethylperfluorooctanesulfonamido) ethyl acrylate; may also be referred to as B1228, D-1, EtFOSEA, or FX-13. (2-Propenoic acid, 2[ethyl[heptadecafluorooctyl)sulfonyljaminojethyl ester, CAS # 423-82- Remarks:byMastpeornisalori.s Tanheampubreirtys/odleindt.itRyepofortthelitsetsstssaumbpslteanacse>c9a9nn%o,tabseprovided substantiated.

FINAL REPORT PROTOCOL 418-008 PERCIONMABTIANLE/DPOOSRTANLAT(AGLAVRAEGPER)OFDEURCTITLIIOTYN,TDOEXIVCEILTOYPSMTEUNDTYALOFANPDFOS INRATS SPONSOR'S STUDY NUMBER: 6295.9 FINAL REPORT DATE: 10 JUNE 1999 50133 PROTOCOL 418-008 COMBINED ORAL (GAVAGE) FERTILITY, DEVELOPMENTAL AND PERINATAL/POSTNATAL REPRODUCTION TOXICITY STUDY OF PFOS IN RATS SPONSOR'S STUDY NUMBER: 6295.9 TABLE OF CONTENTS SUBJECT I.

FOR DU FONT USE ONLY AR226-2966 Du Font HLO 706-91 Study Title 100-Person Repeated Insult Patch Test e'ish Study Completed On October 11, 1991 Contracting Laboratory Biosearch, Inc.

AR226-2991 Study Title Skin Irritation T--t with H-20056 in Rabbif Author John V.

AR226-3137 CONFIDENTIAL SPONSOR ElfAtochemS.A.

Study Title ORAL (GAVAGE) TWO-GENERATION (ONE LITI'ER PER GENERATION) REPRODUCTION STUDY OF AMMONIUM PERFLUOROOCTANOATE (APFO) IN RATS SPONSOR'S STUDY NUMBER: T-6889.6 Data Requirement U.S.

AR226-3197 TRADE SECRET Study Title H-24516: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 1 of 5 Laboratory Project ID: DuPont-5386 TEST GUIDELINES: U.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.

STUDY CODE: KOI-1815 ReceiptNo.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE ldent4: A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFC-603F. (1Octanesulfoniaccid)(CAS # 2795-39-3).

CHRONIC TOXICITY TO THE SALTWATER MYSID FE-/ TEST SUBSTANCE Identity: PFeCr-f9l5u.or(o1o-cOtcatnaenseusluflofnoantiec; macaidy,a1l,s1o,2b.e2.r3e,f3e.r4r,e4d,5t,o5,a6s,6P,7F,O7,S8.o8r,8heptadecafluoro-, potassium salt, CAS # 2795-393) Remarks: from 3M lot nuTmhbeetres2t17s.ubsStaamnpcleeiws aaswhsittoerepdowudnedre.r Sample ambient was taken conditions pNrMioRr taontdesetilnegm.enPturailtyandaeltyesremsinteedchtnoiqbuees9.0.49% by LC/MS, 'H-HMR, 'F- METHOD _ Method: OPPTS 850.1350 Type: Flow-through chronic GLP: Yes Year completed: Study completed Species: Mysidopsis bahia 1999.