PERSONAL AND CONFIDENTIAL Copies +o:l E.

B) AR226-2951 DU FONT USE ONLY Du Font HLR 301-90 !

AR226-3151 DuPont-3906 TRADE SECRET Study Title H-24256: Bacterial Reverse Mutation Test in Salmonella typhimurium and Escherichia coli Laboratory Project ID: DuPont-3906 TEST GUIDELINES: U.S.

AR226- 3259 441 TRADE SECRET #R226 - 3257 Dupont 11410 Study Title H-25434: Influence on Growth and Growth Rateofthe Green `Alga Selenastrum capricornutum LaboratoryProject ID: DuPont-11410 AUTHOR: Terry Lee Sloman, B.S

ARRRE 3307 480 ~~ CHROMOSOMAL ABERRATION TEST RESULTS USING MAMMALIAN CULTURE CELLS EE 1.

ARRRE_ 3314 4% (r--).......

AR226-3351 ES Bioconcentration Screening of Perfluorinated Compounds Using Fathead Minnows Hoke, R., Turner, J.T., Gibson, W.R., Good, R.M., Green, J.W., and Buck, R.C. posto Introduction Perfluorinated compounds have been the focusofincreasing scrutiny by regulatory agencies and the industries that manufacture these compounds.

3M EnvironmentalTechnology and Services PO Box 33331 St.Paul,MN 55133-3331 6127786442 Protocol #FACT-TOX-1 11 Study Title Oral (Gavage)PharmacokineticRecovery Study ofPFOS inRats PROTOCOL Author LisaClemen Date: June8,1999 Performing Laboratory 3M EnviromnentaTlechnology& SafetyServices 3M EnvirorunentaLlaboratory 935 Bush Avenue St.Paul,NIN 55106 Laboratory Project Identification FACT-TOX- III U2994 Alt (:E !

BIOCONCENTRATION (DISTRIBUTION COEFFICIENT) TEST SUBSTANCE Identity:N-methylperfluorooctanseulfonamidoethanolm;ay alsobe referredtoas N-MEFOSE Alcohol,FC-790, or FM-3925. (1Octanesulfonamide,N-methyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-(2-hydroxyethyClA)S-,# 24448-09-7) Remarks: Materialisan off-whitew,axy solidofuncharacterizedpurity.

Experiment No.: Conducted At: Dates Conducted: Conducted By: Primary Skin Irritation Test with T-3608 in Albino Rabbits 0984EB0368 Pathology and Toxicology Riker Laboratorier., Inc.

CORNINGHazleton MUTAGENICITY TEST ON T-6564 MEASURING CHROMOSOMAL ABERRATIONS IN CHINESE HAMSTER OVARY (CHO) CELLS: WITH A CONFIRMATORY ASSAY WITH MULTIPLE HARVESTS FINAL REPORT AUTHOR HemalathaMurli,Ph.D.

InternCaolrresPorldence To:P.

SOIL ADSORPTION TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC-116,FC-126,FC-169,orFC-143.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonatmea;y alsobe referred toas PFOS, FC-95, oras a component ofFC-3072. (1Octanesulfoniaccid)(CAS # 2795-39-3).

HAZLETON LABOR=CX:41ES APOERICA.