Medicine, Health Physics Industrial Hygiene, Toxicology 3M Medical Department 3M Center.

Kendall B.

Lo CAS Number 335-77-3 (acid) & 67906-42-7 (ammonium salt) 3M Company AR 226 0577 Voluntary Use and Exposure Information Profile Perfluorodecane sulfonate L CHEMICAL IDENTIFICATION `Chemical Name: `CAS Number: Perfluorodecane sulfonate (PDSF) 335-77-3 (acid) 67906-42-7 (ammonium salt) IL COMPANY IDENTIFICATION Company Name: 3M Site Location: 10746 Innovation Road Cottage Grove, MN 55016 Technical Contact: Phone: Address: W.A.

AR 426 _ O82 TOXICITY TO AQUATIC PLANTS IEsTsussTANCE 00000000 Identity: A mixture containing referred to as PFOS, perfluorooctanesulfonate; may also be FC-95, or as a component of FC-206CF or FC-206CF-X. (1-Octanesulfonic acid) (CAS # 2795-39-3). 2R0e6mCaFr.ksC:urreTnhtein3fMormpartoidounctiinodniclaottensuimt bisear was 101.

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AR226-2448 INTEROFFICE MEMORANDUM Date: From; Dept: Tel NO: 16-Sep*1997 03:07pm Gregory A Chapman CHAPMAGA Fluoroproducts 304-863-2535 TO: See BelOM Subject: Action Items from 9/16 C-8 Sampling Meeting 1.

AR226-3027 Study Title Skin Irritation Test with H-21209 in Rabbits Laboratory Project ID Haskell Laboratory Report No. 623-95 Author Tracy A.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-201 F-X. (1Octanesulfoniaccid)(CAS # 2795-39-3).

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctnaesulfonate which may also be referredtoas PFOS, FC-95, oras a component ofFC-203FC. (1Octanesulfonicacid)(CAS # 2795-39-3).

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STUDY TITLE Analysis of Pooled Human Sera and Plasma and Monkey Sera for Fluorocarbons Using Exygen Method ExM-023-071 DATA REQUIREMENTS OECD Principles of Good Laboratory Practice, ENV/MC/CHEM(98)17, November 26,1997 STUDY DIRECTOR Emily R.

AR226-1992 AJP003530 E D 0 7 7 0 7 2

AR226-2543 RCRA FACILITY INVESTIGATION PLAN BnPont W ashington W orks W ashington, W est Virginia September 24,1997 DEBS Project No, 7179 Prepared by DuPont Corporate Remediation Group & DuPont Environmental Remediation Services Barley Mill Plaza 27 P.O.Box 80027 Wilmington, Delaware 19880-0027 JSO01918 BD624915 DERS Project No. 7179 September 24,1997 Page!

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'Va*" 'W* AR226-2992 RECHERCHES B iO lO G lQ U E S Baugy, June 17, 1993 STUDY NO. 920083 E PRIMARY CUTANEOUS IRRITATION VMiT'/'ci l.