2195 Front Street Logan, OH 4313S ONeEFftState rfOhio Environm ental Protection Agency Southeast District Office TELE: (740) 385-8501 FAX: (740) 385-6480 A R 2 2 6 -2 6 0 8 Bob Taft, Governor Christopher Jones, Director July 8,2002 Mr.

AR226-2814 DuPont-14096 TRADE SECRET Study Title H-24750: Static, Acute, 48-Hour Toxicity Screening Test with Daphnia magna Authors: Barbra D.

AR226-2868 Copies to: E. 1. du Font de N e m o r s and Company Haskell Laboratory for Toxicology and Industrial Medicine HASKELL LABORATORY REPORT HO. 58-78 Material Tested -J Haskell Ho. 11,890 Sample Ready for Testing 12/2/77 3Other Codes j - Material Submitted bv "^Textile Fibers Department Seaford, Delaware 96-HOUR LC502 TO ULUEGILL SUKFISK Procedure: The test material, in original form, was introduced into all-glass exposure vessels and diluted with laboratory supply TOter fd^yleld tKedesiredcohcentrations in a 7.5 final volume.

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AR226-2936 FOR OU PONT USE ONLY Du Pont HLR 805-88 Study Title iroximate Lei LD) of Author John W.

AR226-3037 Study Tille Eye Irritation Test with H-21460 in Rabbits Laboratory Project ID Haskell Laboratory Report No. 82-96 Author Tracy A.

f iX b c H-24516: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations TRADE SECRET Study Title H-24516: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Revision No. 1 Volume 3 of 5 Revised Page DuPont-5386 Test Guidelines: U.S.

t DuPont Haskell Laboratory AR226-3372 January 9,1997 HAZARD CHARACTERIZATION FOR HUMAN HEALTH C8EXPOSURE CAS REGISTRY NO. 3825-26-1 Prepared by: LSe. nBi.oBr Rieegseela,rPchh.DTo. xicologist 1 HAZARD CHARCAACSTREREGIZIASTTRIOYNNFOO.R38H2U5-M26A-1N HEALTH C8 EXPOSURE .

1 HASKELL LABORATORY AR226-3381 Common Nam e: Barium Telomer B Sulfonic Acid (Barium TBS) r im ir a i Namor Poly(difluoromethylene), alpha-fluoro-omega-(2-sulfoethyl)-, barium salt CAS Registry No.: None O Chemical Structure: II [F - (CF2- CF2)x- CH2- CH2- S - 0 ']2 Ba+2 O where x = 1-10 (average of 4) Physical Properties: Form: Molecular Weight: Boiling Point: Melting Point: Specific Gravity: Vapor Pressure: Dusty White Powder Variable Recommended AEL 1 mg/m3 (8- and 12-hour TWA), skin General Toxicity Barium TBS has slight acute oral toxicity with an ALD in the rat of 2300 mg/kg (DuPont, 1988c).

AR226-3389 Genetic Toxicology of 8-2 Telomer B Alcohol G.L.

RECYCLED 000214 Li-he~9sw RS.A - EM PLO YEE BLOOD DATA GRO U P (sample size) 1870 DATA Organic fluorine _____ _________Efim!

so 000420 MAZ6 - CC: H.

P-1 R aaG - 362Z IN TERIM REPORT # 23 - Analysis o f Sedim ent Samples STUDY TITLE Analysis o f Perfluorobutanesulfonate (PFBS), Periluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (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 .

RECEIVED irrt cno OfrJUL-5 AHII: 22 AK 2Z _ 373Z Self-Reported Medical Conditions in Perfluorooctanesulfonyl Fluoride Manufacturing Workers Final Report Bruce H.

TSCA Document Processing Center Attn: Section 8(e)/FYI P-1 August 10,2006 Page 5 of 10 Attachment 2 ^ 226. 37^ Tables and excerpts from the draft protocols that contain information related to C-8 blood levels.