) " CAS Number 24448-09-7 3M Company ARRR6 _0SE> 1 Voluntary Use and Exposure Information Profile N-methyl perfluorooctanesulfonamido ethanol L CHEMICAL IDENTIFICATION Chemical Name: N-methyl perfluorooctanesulfonamido ethanol (MeFOSE) `CAS Number: 24448-09-7 Im COMPANY IDENTIFICATION Company Name: 3M Site Location: 22614 Route 84 North Cordova, IL 61242 10746 Innovation Road Cottage Grove, MN 55016 Technical Contact: Phone: Address: 1400 State Docks Road Decatur, AL 35601 W.A.

AR&26 -- 0728 MICROBICS MICROTOX TOXICITY TEST IESTSUBSTA0N 000C 000E Identity: ArefmeirxrteudretocaosntPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfpoonanteen,twohficFhC-m2a0y3.al(s1o- be Octanesulfonic acid) (CAS # 2795-39-3).

AR ARE - O750 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstaPiFnOiSng, pFeCr-f9i5uo,roorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y3CalEs.o b(1eOctanesulfonic acid) (CAS # 2795-39-3).

AR 286 -- 0752 MICROBICS MICROTOX TOXICITY TEST EST SUBSTANCE sm-- s -- Identity: A mixture containing perfluorooctanesulfonate, which may alsobe referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

BIODEGRADATION (BOD/COD) AR R26 -- 0777 Identity: A mixture containing perfluorooctanesulfonate, which `may also be referred to as PFOS, FC-95, or as a `component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

AR 226 -- 0837 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IESTSUBSTANCE ~~~ 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 Belgium 2367.

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TN Ags 3M gene | Foo 3CMopMeedicTa DepgartmenY t P S AR 226- 0950 = iNAY 2 0F00- 373 ~ = aFnludoFriolcmhePmliacnatlEEmxpploosyuerees(Serum) Assessment of Decatur Chemical E Historically, employees a the 3M Decatur chemical plant have voluntarily participated in & biennial fluorochemical medical surveillance program: Total organic fluorine was measured until 1994 when perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) were assayed.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES PHOTOLYSIS BACK TO COMPOUNDS STUDY TITLE COMPOUND LABORATORY REPORT NUMBER SUMMARIES Photolysis Executive Summary Screening Studies on the Aqueous Photolytic Degradation of Perfluorooctanoic Acid (PFOA) PFOA E00-2192 Robust Summary Indirect Photolysis of Gaseous Perfluorooctanesulfonyl Fluoride (POSF) by Fourier Transform Infrared (FTIR) Spectroscopy Screening Studies on the Aqueous Photolytic Degradation of Potassium Perfuorooctane Sulfonate (PFOS) Screening Studies on the Aqueous Photolytic Degradation of 2(N-Ethylperfluoroctanesulfonamido)-ethyl alcohol (N-EtFOSE Alcohol) POSF PFOS N-EtFOSE Alcohol E01-0739 W2775 W2783 Robust Summary Robust Summary Robust Summary

DuPont-13267 Study Title Ammonium Perfluorooctanoate: Age Effect on the Plasma Concentration in Post-Weaning Rats Following Oral Gavage AUTHOR:Xing Han, Ph.D.

Protein Binding of PerfJuorohexaneSulfonate, PerfluorooctaneSulfonate and Perfluorooctanoateto Plasma (Human,Rat, and Monkey), and Various Human-Derived Plasma Protein Fractions STUDY ID: 9921.7 Southern Research Institute 2000 Ninth Avenue South P.O.

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AR226-2235 Steven L Grise 12/14/2001 09:50:47 AM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont.

AR226-2281 4/17/02 ISC Modeling Methodology and Results Emission Source Information The ISC3 model was used to calculate ambient ground-level vapor concentrations and deposition rates for year 2000 actual C8 emissions from the Washington Works site.