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Study Sponsor: Issue D ate: D ocum ent R eferen c e N o.: E L F A T O C H E M S .A . 12-M ar-96 9 6 /S A E 6/04 09 /H T AR226-3040 .... .

AR226-3058 Study Title 100-Person Human Patch Test with H-2205S (Test Item) Laboratory Protect ID Haskell Laboratory Report No. 647-96 Study Completed On September 30, 1996 Contracting Laboratory ConTox Limited 3408-50 B Street Philadelphia, Pennsylvania 19134 Author David Gabriel for b.

AR226-3136 DuPont-3606 TRADE SECRET Study Title H-24256: Skin Irritation Test in Rabbits Laboratory Project ID: DuPont-3606 Author: Deborah A.

AR226-3154 DuPont-3828 TRADE SECRET Study Title H-23960: Bacterial Reverse Mutation Test in Salmonella typhimurium and Escherichia coli Laboratory Project ID: DuPont-3828 T e s t G u id e l in e s : U.S.

AR226-3210 DuPont-2921 Supplement No. 1 TRADE SECRET Study Title H-23925: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2921 AUTHOR: Carol Finlay, B.A.

AR226-3335 Datamemo Date: September 21,2000 To: Barbara S.

m HASKELL LABORATORY AR226-3377 Common Name: Ammonium Perfluorononanoate Chemical Name: Nonanoic acid, heptadecafluoro-, ammonium salt CAS Registry N o.: 4149-60-4 Chemical Structure: O II cCF3 - (CF2)7 - - 0 `+NH4 Physical Properties: Form: Molecular Weight: Boiling Point: Melting Point: Specific Gravity: Vapor Pressure: Conversion Factors: White, dusty powder; Detergent-Like Odor 481 Sublimes Bulk Density (Loose) = 0.49 kg/L Recommended AEL 0.01 mg/m3 (8-hour TWA) General Toxicity Ammonium perfluorononanoate (C-9) has moderate acute oral toxicity with an LD50 in rats o f 407 mg/kg 0 1984).

Op-) SfrOOO 0 9 J 000488 DATA SUMMARY Chemical: Perfluorooctanoic Acid Site: Washington Works, Parkersburg, West Virginia Date of Monitoring; 1979 Matrix: PFOA in Whole Blood Operation: Teflon Job Title Number Sampled Entire Cohort Males Females Operators Males Females Mechanics Males Females Laboratorians Males Females Supervision Males Females 72 72 0 61 61 0 5 5 0 2 2 0 4 4 0 Minimum Concentration (ppm) 0.1 0.1 - 0.1 0.1 - 0.6 0.6 - 0.31 0.31 - 0.53 0.53 - Mean (ppm) 4.99 4.99 - 5.74 5.74 - 0.71 0.71 - 0.52 0.52 - 1.14 1.14 - Median (ppm) 2.8 2.8 . 3.9 3.9 - 0.65 0.65 - 0.52 0.52 - 0.72 0.72 .- Maximum Concentration (ppm) 28.4 28.4 - 28.4 28.4 - 0.9 0.9 - 0.72 0.72 - 2.6 2.6 - Standard j Deviation i 6.24 6.24 - 6.48 6.48 - 0.13 0.13 - 0.29 0.29 - 0.99 0.99 - Comments: Samples analyzed by National Medical Services Data extracted from WW site database by site industrial hygienist Tony Playtis Descriptive statistics calculated using Microsoft Excel Operation indicates work assignment of person at time of sample and does not reflect past work history Prepared by: Barbara J.

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*t6*0 UNITED NATIONS Economie and Social Council ECONOMIC COMMISSION FOR EUROPE EXECUTIVE BODY FOR THE CONVENTION ON LONG-RANGE TRANSBOUNDARY AIR POLLUTION Working Group on Strategies and Review (Thirty-seventh session, Geneva, 26-30 September 2005) Item 3 of the provisional agenda E Distr.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 R o b e r t a .

INTERIM REPORT # 10 - Analysis of Fish and Clam Samples STUDY TITLE Analysis of Perflnorobutanesulfonata (PFBS), Perfluorohexanesulfonate (PFHS), and Perflnorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE May 09, 2006 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone:814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

AR _ 07t3 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (SCUD) 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).

M &Z6 - ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorcoctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was 628.