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CORNINGHazleton MUTAGENICITY TEST ON T-6342 MEASURING CHROMOSOMAL ABERRATIONS IN CHINESE HAMSTER OVARY (CHO) CELLS: `WITH A CONFIRMATORY ASSAY WITH MULTIPLE HARVESTS EINALREPORT AUTHOR Hemalatha Murli, Ph.D.

TOXICITY TO AQUATIC PLANTS AR 226 -- 0727 | Identity: A mixture containing perfluorooctanesulfonate, which may also be OrecftearnreesdultofoansicPFacOiSd,) (FCC-A9S5#, 2or79a5s-3a9-c3o)m.ponent of FC-203. 1- iRseFmCa-r2k0s3:. diethylene gClyuTcrohrleenbt3utMiynlfpeortrohmdeaurtc,ito3ino7n.in8ldo5ti%cnauwtaemtsbeeirt,ris2wa0as%minxeotttuhryneloetoendef.gl1yT.c3ho4el%, PteFsOtsSa,m3pl5e% 2.66 % Sultone foamer, 3% sodium octyl sulfate, 0.1% sodium lauryl sulfate, and 0.05% tolyltriazole.

AR 226 - 073% TOXICITY TO AQUATIC PLANTS IESTSUBSTANCE ~~~ 00000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1- Octanesulfonic acid) (CAS # 2795-39-3).

AR 286 - 0766 NITRIFICATION INHIBITION IESTSUBSTANCE Identity: MreifxetrurreedctoontaasinPiFnOgSp,erFfCl-u9o5ro,oocrtaansesauicfoomnpatoen,ewnhtiocfhFmCa-y20a3lsCoF-beX or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

PFOS: A DIETARY LC50 STUDY WITH THE MALLARD WILDLIFE INTERNATIONAL LTD.

ANTWEitp BY TZSTING RESTILTS FROM JUBM, 1995 1.

I FINAL REPORT PROTOCOL 418-011 ORAL (GAVAGE) DEVELOPMENTAL TOXICITY STUDY OF N-ETFOSE IN RATS SPONSOR'S STUDY NUMBER: T-6316.7 FINAL REPORT DATE: 17 DECEMBER 1998 PROTOCOL 418-011 ORAL (GAVAGE) DEVELOPMENTAL TOXICITY STUDY OF N-ETFOSE IN RATS SPONSOR'S STUDY NUMBER: T-6316.7 TABLE OF CONTENTS SUB-JECT 1.

AR 126-0043 : DETERMINATION OFTHE VAPOR | PRESSURE OF PFOS `USING THE SPINNING ROTOR GAUGEMETHOD `WILDLIFE INTERNATIONAL LTD.

CT 3M MEDICAL DEPARTMENT CORPORATE TOXICOLOGY AR216-0150 To: Andrew Seacat 220-2E-02 cc: John Butenhoff 220-2E-02 From: Marv Case 220-2E-02 Subject: Pathology Review Date: 22 July 1999 On 19 July 1999 during my visit at Covance, Madison, 1 did a slide review of selected tissue sections on the PFOS six-month monkey toxicity study (Study 6329-223).

SaAtZLeEeCEnN Roger G.

: 3M MEDICAL DEPARTMENT TOXICOLOGY SERVICES To: Georjean Adams 290-4-01 cc: John Butenhoff 220-2E-02 From: Marv Case 220-2E-02 Subject: FC 95 and 143 Teratology Date: 26 May 1998 John passed on to me your request for someone to review and write an analysis on the eye lens defect that was reported in the the toxicology study files on FC 95 original and FC FC 143. 95 rat teratology study.

AR226-0516 Testsuestawce ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-168, FC-143, or as a major component of FX-1003.

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BACK TO MAIN BIOCONCENTRATION (n-OCTANOL/WATER PARTITION COEFFICIENT) TEST SUBSTANCE Identity: N-methylperfluorooctane sulfonamidoethanol; may also be referred to as N-MeFOSE Alcohol, FC-790, FM-3925 or T-5874. (1-Octanesulfonamide, N-methyl1,1,2,2,3,3,4,4 ,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2hydroxyethyl)-, CAS # 24448-09-7) Remarks: Material is a cream-colored solid of uncharacterized purity Batch 2334.