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.

Interim Report #2 Epidemiology, 220-3W-05 Medical Department 3M Company St.

BACK TO MAIN 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE April 2005 Click on Study Title to View Report April 18, 2005 John L.

Sponsor: 3M St.

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 Pi 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 Ro b e r ta .

AXYS METHOD MLA-031 Rev 01 ptnc m F orm 1A/2 "" PERFLUORINATED SURFACTANT ANALYSIS REPORT CLIENT ID: Sample C ol taction: 22-NOV-2004 12:20 Lab Ham*: AXYS ANALYTICAL SERVICES Contract No.: 4191 Matrix: W ATER Semple Receipt Date: Extraction Date: Analysis Date: 25-NOV-20Q4 02-Dec-2004 03-Dec-2004 T in : 20:37:58 Extract Volume (mL): 2 Injection Volume (pL): 10.0 Dilution Factor: N/A Project Name: NSA Lab Sample ID: L7411-1 (A) Sample Size: 500 mL Initial Calibration Date: O3-D0C-2OO4 Instrument IO: LC-M S/M S LC Column ID: D iscovery C18 Sample Datafile: PFS4G_110S23 Blank Data Filename: PFS4G JI10S20 Cal.

AR226-1994 o jIW<<bjVQ(.

AR226-2219 EXD294947 Stock Parameters 1823A 815D 813D 1353A Pre-Existing 614A 614A 781 1553 2365A Seimworks Application Seiiiiworka Application Seimworks Application Sciniworks Application ' Vcni IDT61ZCE consists o f 18 onc-foot diameter vents.

-S O T O H S Y 90S3-933HV WYA.ITTLESOURCE: U$GS QUADRANGLE HAPS LUBECK HOCKUS, OH SFIITGEURMEAP1 . ..... ..

Washington Works MH ao N >OB4 O EPA/COE Update Meeting M y 18, 2002 AR226-2552 EID781150 Agenda Background/Recent Project Activity --RCRA Program Status --Multi-Media Consent Order Update --GW Modeling Project Review Preliminary GW Modeling Results RCRA Program Path Forward --RFI Report/EPA Review --El Status Meeting Objectives Provide brief overview o f recent MMCO activity at Washington Works Re-assess where we stand with regard to EPA Region III RCRA program, determine next steps (i.e., RFI, E.I.s) Receive technical feedback from EPA/COE on the newly constructed Wash Works GW Flow Model Background/Recent Activity RCRA Program Status - EPA reviewing RFI report --C-8 screening levels needed for completion - El evaluation also on hold pending C-8 screening levels --Ongoing GW Modeling project will address EPA/COE 2001 comments on 1999/RFI version o f GW Model 1in0 cn 8Z0HSV Background/Recent Activity mH saow j Multi-media Consent Order (WVDEP) Required Elements: - Toxicology/CAT: Develop RBC-Like screening levels for dw, soil, and air - GW/SW Investigation/GIST: Determine extent in groundwater & surface water at/near sites - Cap/reduce emissions to air & sw EID781154 CAT Highlights Toxicology team met May 5-7.

AR226-2682 RECYCLED AR226-2682 i C-8 BIODEGRADATION IN ---------- GROUND WATER------ Andrew Hartten Dave Ellis May 7, 1998 g N O W 0o) >J EID473110 \ GEOLOGICAL CROSS SECTION S d rfih RJZ036078 SAMPLING LOCATIONS SITE CONCEPTUAL MODEL Source Areas Former anaerobic digestion ponds (sludges removed) C-8 up to 614 mg/kg @ 8 - 1 0 foot depth Ground water at 30' q ESI O w 0o) 00 EID473113 SITE CONCEPTUAL MODEL - 2 Hydrogeology Sand and gravel 65-100 feet deep Yields up to 300 GPM Production wells influence GW flow paths Linear velocity 1 ft/day K= loo ft/day ta H o it #* RJZ036081 LUBECK WELL FIELD I Travel time from anaerobic ponds is about 5 years / **" -* 2 ppb discharge concentration M Ha RJZ036082 M w \ WHY STUDY C-8 DEGRADATION IN GROUND WATER?

AR226-2710 AR226-2710 Aerobic Biotransformation o f 14C-labeled 8-2 Telomer B Alcohol by Activated Sludge from a Dom estic Sewage Treatment Plant Ning Wang*f, Bogdan Szostekf, Patrick W Folsomf, Lisa M.

AR226-2823 Copies to E, X. du Pont de Nemours and Company Haskell Laboratory for Toxicology and Industrial Medicine Materials Tested: Materials Submitted by: HASKELL LABORATORY REPORT NO. 142-65 Haskell Nos.

# AR226-2834 Material TestedT Haskell Laboratory f f"0"" and cn>Pany y ior Toxicology and Industrial, Medicine HASKELL LABORATORY REPORT NO. 162-73 ~ ' Material Submitted by; department, tProcedure--* TJ-huoG t,,sii.t material ao to young adult cha m , ai* as a 8wpenion in ACUTE_ORAL_TEST ' -- ma 6 rats in sin8le doses' Survi- - 0- - 0lsac(^ f ?

FOR DU PONT USE ONLY AR226-2959 SM .tig Du Pont BIX 325-91 j State_ r' ' Skin Irritation Test vi tir 4 :~:#f in Rabbits Author i John V.