TRADE SECRET DuPont HL-1997-00716 AR226-3076 Study Title H-22762: Skin Irritation Test in Rabbits Laboratory Project E): HL-1997-00716 AUTHOR: Carol Finlay, B.A.

AR226-3044 Study Title Skin Irritation Test with H-21951 in Rabbits Laboratory Project ID Haskell Laboratory Report No. 782-96 Author Tracy A.

AR226-3071 DuPont HL-1997-00261 HASKELALNLDAIBNODRUASTTORRIAYLFMOERDTICOIXNIECOLOGY STATIC, ACUTE 48-THOODUaRpSbCniR*EnEwNtwINtG TEST OF H-22274 PURPOSE: This is a rangefinding study designed to provide an estimate of aquatic toxicity using fixed test concentrations and data measurements at predetermined intervals.

AR226-3186 TRADE SECRET Study Title H-24616: Subchronic T oxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 3 o f 5 Laboratory Project ID: DuPont-4739 DuPont-4739 Test Guidelines: U .S.

M AA& - oz S 3 MICROBIOS MICROTOX TOXICITY TEST TE$T_SUB.STANCE_______________________________________ _ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-3003. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR *6 - TO XICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-3017. (1Octanesulfonic acid) (CAS # 2795-39-3).

July 30,1998 AR IIQ-0IH7 'ckn Fax to: Dr.

ar. * a 6 _ o6gs TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

M 9.SL6 - O73& TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

A R & A 6 - 0 2 !

flRr& 'O 5G\ Summary PFOS Rat Two-Generation Reproduction Study Study Numbers: 3M T-6295.9, Argus 418-008 (in-life), FACT-TOX-012 (analytical).

AR226-2466 "Roger J.

A R Xlr03W BOILING POINT TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to 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-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid of uncharacterized purity.

BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________ Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L-13492.

/waa-oMsq C O R N IN G Hazleton MUTAGENICITY TEST ON T-6342 MEASURING CHROMOSOMAL ABERRATIONS IN CHINESE HAMSTER OVARY (CHO) CELLS: WITH A CONFIRMATORY ASSAY WITH MULTIPLE HARVESTS FINAL REPORT AUTHOR Hemalatha Murli, Ph.D.