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kb u5f 3MGeneaem raOffofie July 12, 2000 AR Sai MoPmaol MN 551441000 F71,-0700--(35775761 06] 3 wil SM one pice Chemical Control Division OfficeofPollution Prevention and Toxics United States Environmental Protection Agency 4R0o1omM4S0t3reeEta,stSoTuotwhewres(tMail Code 7405) Washington, D.C. 20460 oni; - er awl) car Re: 3M Fluorochemicals Document Submission -- CD Version Dear Charlie ErenlcaltoesdecdoimsptohuenCdDs tvoerEsPioAnoofvtehrethdeopcausmtefnetwsmsounbtmhist.tedThoins pCeDrfclounotraoioncstatnheesiunlffoornmaatteisoannd dporocvuimdeendttoprtohdeuactgieonncsytboetghiennaignengcwy.ithItnhceluAdperdilwi2t0,h t2h0e0C0Da'nsd iesnadninignfwoirtmhatthieonMsahyeet18o,n20h0o0w 10 access the CD.

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cL AR 226 - 0928 CAS Number 1763-23-1, 29081-56-9, 70225-14-8, 2795-39-3, 29457-72-5 / 3M Compan/y 1 Revised: 7/2000 Voluntary Use and Exposure Information Profile Perfluorooctane Sulfonic Acid and Various Salt Forms I.

n- edtor AR226-09FF Industrial 1B8I10OF-RTONETSATGELaRbOoAraDtonies, Ine.

BACK TO MAIN ACUTE TOXICITY TO AQUATIC INVERTEBRATES (FRESHWATER MUSSEL) REVISED Tissue analysis is now included.

BACK TO MAIN 3M Environmental Laboratory Report No.

L P h o n e : (814) 231-8032 BACK TO MAIN Fax: (814) 231-1253 or (814) 231-1580 Analytical Report FIuorochemical Characterizationof DrinIking Water Samples Columbus, GA (W2336) Centre Analytical Laboratory Report No. 023-007F (Revision 2) (Revision Date 3/21/01) Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 1680'1 3M Environmental Laboratory Contact Kent R.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES BIODEGRADATION BACK TO COMPOUNDS STUDY TITLE COMPOUND LABORATORY REPORT NUMBER SUMMARIES Biodegradation Executive Summary The Aerobic Biodegradation of N-EtFOSE Alcohol by the Microbial Activity Present in Municipal Waste Water Treatment Sludge N-EtFOSE E00-2252 Robust Summary The 18-Day Aerobic Biodegradation Study of PerfluorooctanesulfonylBased Chemistries 18 Day PFOS 18 Day PFOA 18Day FOSA 18Day N-EtFOSAA 18 Day N-EtFOSA 18 Day N-EtFOSE The 35-Day Aerobic Biodegradation Study of PFOS PFOS E01-0415 E01-0444 Robust Summary Robust Summary

AR226-1486 ENVIRONMENTAL AND HEALTH ASSESSMENT OF PERFLUOROOCTANE SULFONIC ACID AND ITS SALTS August 20, 2003 Prepared by 3M in consultation with Jack Moore, D.V.M., DABT, Hollyhouse, Inc.

A226 1829 LaboratoryReport--Revision 1 Analytical Report of Data for PFOS Dietary LC50 Study with Mallards (Sera and Liver) 4 Laboratory Report No.

AR226-2093 Test Result 6wnple Date Range Cone:entratlon Range Action Level Industrial Hy gmme 1/lffiS IZOIffli 100% Sample Dt Sample* Duration Type Employes Name BTO: 06 TEFLON We: 701 FINE POWDER DRYER-CAST SIDEfK 5/2&85 46259 330 Z 7/1185 .46260 345 Z 9/1BB5 48261 360 Z 32285 46262 330 Z Pers Chemical C-fl/FC-143 C.a/FC-143 C.BFC-143 OfflFC.143 BTO!

AR226-2165 Robert L Ritchey 07/23/2001 08:26 AM To: cc: Subject Robbin Banerjee/AE/DuPont<g>DuPont (bcc: Robert L Ritchey/CL/DuPont) Re: Air Modeling Discussion with Jesse Hanshaw, WVDEP-DAQ D Yes.