PERFLUOROOCTANESULFONATE, POTASSIUM SALT (PFOS): A FLOW-THROUGH BIOCONCENTRATION TEST WITH THE BLUEGILL (Lepomis macrochirus) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

BACK TO MAIN 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE Click on Study Title to View Report Multiple Chemicals 1.

BACK TO MAIN 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE August 2005 Click on Study Title to View Report August 12, 2005 Analytical Report, "Initial Quantitative Screening of Commercial Lots of Human Se rum Obtained in 2004 for Endogenous Fluorochemicals Using Protein Precipitation and Liquid Chromatography/Tandem Mass Spectrometry," 3M Environmental Laboratory, Project No.

.S.6 _05 RECEIVED oppi neic : i( 2000 SEP-6 PM12=56 \ 1 I

M3.6 _ 0630 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY O WASHINGTON.

AR226-2230 Robert F Pinchot 12/11/2001 08:34 AM To: Debbie J Mulrooney/AE/DuPont@DuPont co: Chris E Shoop/AE/DuPont@DuPont, David M Rurak/AE/DuPont@DuPont Subject DRAFT for 815D Stack Diameter Change Requestoop Debbie, Please take a look at this.

Relevance of Soil Sampling in Site Screening Level Assessments for PFOA October 22,2003 AR226-2347 I Discussion Topics Review soil sampling key learning's Present site screening level assessment conceptual model g O to 0> Ul H EXP015812 Messages For Today | Soil sampling is not critical to site screening level assessments designed to evaluate | overall human and environmental exposure at a PFOA use facility. * Water monitoring should focus on site boundaries, key discharge points, or where wg potential exposure is occurring. 0 tO a<01\ to EXP015813 PFOA P/C Characteristics PFOA displays high water solubility - 1000 mg/L (Kissa, 1994) - >10% (3M, 2001) PFOA displays low adsorption capacity in all soil types (3M & APME Studies) - Similar to other highly mobile chemicals (see Koc chart) s SB oNJ m 'j w u EXP015814 Koc Comparison Comparison of Koc's for PFOA and Other Chemicals Napthalene --------------- C ap e F ear (A P M E , 2003) Drum m er (A P M E , 2003) -- 4 Hidalgo (A P M E , 2 0 0 3 ) 4 -------4 Keyport (A P M E , 2 00 3) 4--,4 Wilmington Sludge (A P M E , 2003) S Methylene Chloride O IO A Brill Sandy Loam (3M , 1978) _________ , _______ ,-------------------------- - c\ si I 0 200 400 600 800 1000 1200 Koc (mL/g) EXP015815 Soil Sampling Key Learning's I Our extensive soil sampling database from Washington Works shows: --Overall low concentrations, won't build-up --Air deposited PFOA readily dissolves and migrates via water movement (sw/gw) Most surface soils <50 ug/kg --All results significantly below CATT screening level of 240,000 ug/kg o N at -d Ul U1 EXP015816 Site Screening Level Assessment Conceptual Model Ba 0 to 0) U1 01 EXP015817 PFOA Site Screening Level Assessment Conceptual Model - Compiled using extensive modeling and monitoring conducted at Washington Works - Considers realistic potential exposure points to focus screening level assessment monitoring Facility water discharges Groundwater at site or discharge boundaries I - Soil is not a key monitoring point o N Ul sj EXP015818 SCREENING LEVEL ASSESSMENT MODEL AIR EMISSIONS t= > <==5, % AQUEOUS DISCHARGE ^-r /~ * S W M U \ ttl UNSATURATED SOIL AQUEOUS DISCHARGE -- MX RIVER / l UNSATURATED SOIL yt y tv GROUNDWATER o POTENTIAL SCREENING LEVEL ASSESSMENT MONITORING POINTS M cn 0 FACILITY AQUEOUS DISCHARGE (OUTFALLS) ui oo (2 ) SURFACE WATER (RIVERS, PONDS, STREAMS ETC.)

AR226-2577 pmarewKNarttift"

Katherine E.

(gypp) ^Z.ZZG -3 7 ^ P F ('.m}: *i v/ r n p i fir P-1 DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.O.

VIA OVERNIGHT MAIL August 12, 2008 Andrea V__________ Corporate Counsel /R22G-33a DuPont Legal Wilmington Office Buildings 1007 Market Street Wilmington, DE 19898 302-774-6443 " el 302-774-4812 Fax andrea.v.malinowski@usa.dupont.com E-mail Document Control Office US Environmental Protection Agency Office of Pollution Prevention and Toxics EPA East Building Room 6428 1201 Constitution Avenue, NW Washington, DC 20004 Re: EPA-HQ-OPPT-2003-0012 PFOA: Water Sample Results - New Jersey Dear Document Control Office: In response to an Open Public Records Act (OPRA) request submitted to the New Jersey Department of Environmental Protection (NJDEP), DuPont received documents containing results for PFOA water analysis from multiple public water districts located throughout New Jersey.

310 Bank Street Decatur, Alabama 35601 256.353.2910 tele 256.353.3944 fax www.TTyNC.com geotechnical analytical * materials * en v ir o n m e n t a l Decatur.

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APR-19-2001 11=47 SPI/UEIDMAN to o g 202 293 0005 T HE S O C I E T Y OF THE P L A S T I C S I N D U S T R Y , I N C . pi'R.l(702zr P.01/01 FACSIMILE TRANSMITTAL SHEET ~o CJl T~ Vi.}; TO: Karen Lannon / Pam Moseley COMPANY' EPA FAX NUMBER: 202.260.9555 PHONE NUMBER: 202260.2797 FROM: | i Allen C.

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