RECYCLED \ cn l CD AR226-2669 AR226-2669 September 2002 Through August 2003 Air Dispersion Modeling Analysis of APFO Emissions (Revised) May 24,2004 Page 1 of 9 SEPTEMBER 2002 THROUGH AUGUST 2003 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS (Revised) DuPont Washington Works Facility Parkersburg, West Virginia Prepared for: West Virginia Department of Environmental Protection Division of Air Quality 7012 MacCorkle Ave, SE Charleston, WV 25304-2943 Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington, DE 19898 C:\c8\c8_0803_report_revised May 24,2004 1 September 2002 Through August 2003 Air Dispersion Modeling Analysis of APFO Emissions (Revised) May 24,2004 Page 2 of 9 1.

AR226-2704 26 AR226-2704 TORONTO WORKSHOP MATERIALS September 13-14,2004 Fluorotelomer Alcohol and Fluorotelomer-Based Polymer (Blo)degradatlon Bob Buck DuPont Chemical Solutions Enterprise, Wilmington, DE ?

AR226-2751 Copies to: L ,,, . . .

AR226-2777 FOR DU PONT USE ONLY REVISED REPORT E. 1. du Pont de Nemours and Coapany Haskell Laboratory for Toxicology and Industrial Medicine Elkton Road, Newark, Delaware 19711 HASKELL LABORATORY REPORT NO. 589-80 Material Tested Octanolc Acid, Pentadecafluoro-, Ammonium Salt* Haskell No. 12,057 Other Codes Study Inltiated/Completed 10/17/79 - 12/14/79 Material Submitted J>1 'Polymer Products Washington Works RAT SKIN ABSORPTION SUBACUTE STUDY U I T H ~ B B B y I.

AR226-2778 FOR DU PONT USE ONLY E.

Study Sponsor: ELF ATOCHEM Issue Date: 18-Jaa-94 Document Reference No.: ] 43833A AR226-2999 - Ready Biodegradability Study (OECD 301B) Author(s): J.C.

M Z & - & - 331% 500 /***% r ARUM - DuPont-11953 TRADE SECRET Study Title H-25436: Early Life-Stage Toxicity to Rainbow Trout, Oncorhynchus mykiss f Test Guidelines: U.S.

If A V . & 9. 6 - } l f J O 14 >68Bk, 00019G M tf6 _ ilfjo W il m in g t o n , D e l a w a r e IS398 PLASTIC PRODUCTS AND RESINS DEPARTMENT PERSONAL & CONFIDENTIAL July 25, 1979 TO: R.

R&el ,,2106 000380 C-8 BLOOD LEVELS IN FEMALES TRANSFERRED OUT OF TEFLON C-8 LEVEL WHEN AGE LEAVING TEFLON 32 0.140 27 0.192 27 0.570 33 1.300 24 0.110 27 0.110 27 0,078 37 2.400 27 5.100 23 0.061 29 0.270 31 0.190 26 0.045 32 * 0.450 27 0,230 25 0.092 33 0,019 28 2.500 C-8 LEVEL AFTER LEAVING TEFLON 0.086 0.120 0.390 0.980 0.086 0.091 0.065 2.000 4,400 0.053 0.240 0.170 0.041 0.410 0.210 0,092 0.019 2.600 NUMBER OF DAYS BETWEEN SAMPLES 143 127 140 126 128 133 148 139 126 128 130 127 96 127 127 126 133 126 % CHANGE IN C-8 BLOOD LEVELS -38.6 -37.5 -31.6 -24.6 -21.8 -17.3 -16.7 -16.7 -13,7 -13.1 -11,1 -10.5 - 8,9 - 8,9 - 8.7 0.0 0.0 + 4.0 AVERAGE = 129 days -15.3 + 11.7* * The downward trend is statistically significant at 0.05 level using the paired-t test. 12/1/81 0337W 000381

"McCrea, Deborah" <mccrea@taftlaw.com> 07/07/2010 12:28 PM P-1 M ZZ&^ 5 To NCIC OPPT@EPA cc "Bilott, Robert A."

- & 995 TSCA NCIC Notification Form for CB!

3 GLP10-01-02 Interim Report 15: Analysis for PFOS, PFHS and PFBS in Decatur, AL Avenue A Soils and Sediments Collected January 2011 Study Title 3M Environmental Laboratory Analytical Protocol GLP-10-01-02: Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 Principal Analytical Investigator Cleston C.

3M Environmental Laboratory AR 1*26-0026 G) M ethod Extraction of Potassium Perfluorooctanesulfonate or other Fluorochemical Compounds from Liver for Analysis using HPLC - Electrospray/M ass Spectrometry Method Number: ETS-8-6.0 Author: Lisa Clemen, Robert Wynne Approved By: Laboratory Manager tGroup Leader --------- - a Technical Reviewer Adoption Date: o j l i h U x Revision Date: ~y ^ h < i Date Date Oilmh Date 1.0 Scope and Application 1.1 Scope: This method is for the extraction of potassium perfluorooctanesulfonate (PFOS) or other fluorochemical compounds from liver. 1.2 Applicable Compounds: Fluorochemical surfactants or other fluorinated compounds. 1.3 Matrices: Rabbit, rat, bovine, and monkey livers or other tissues as designated in the validation report.

Form 10620-5-PWO cc: LAB REQUEST BOOK - 42-5W PRODUCT ECOLOGICAL ASSESSMENT REQUEST FOR LABORATORY WORK Ref: EN VIR.

TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE DOCUMENTS CLICK A C O M P O U N D TO V IE W LIST OF S TU D Y TITLES COMPOUNDS PFOS FOSA N-EtFOSE ALCOHOL N-MeFOSE ALCOHOL Back to Main Menu MULTIPLE CHEMICAL STUDIES HUMAN SERA/MEDICAL SURVEILLANCE/EPIDEMIOLOGY