Quality Assurance Project Plan Multi-City Study Sampling Task (N100672) BACK TO MAIN Amendment 1 to Revision No.: 1 Effective Date: June16,1999 Page 1 of 3 Amendment 1 to the Quality Assurance Project Plan and Associated SOP'S for Empirical Human Exposure Assessment Multi-City Study Sampling `Task To June 16,1999 Prepared by Ba ttelle 397 Washington Street Duxbury, MA 02332 (781) 934-0571 MRROVALS L u - `-1 Donald Gunster 1 Sampling Task Leader RAosaPnnaWBuh%l 64& Battelle Sampling Task QA Officer Marcia Nishioka ` Battelle Project Manager Susan Abbgy U Battelle Prog!

Environmental Monitoring - Multi-City Study Water, Sludge, Sediment, POTW Effluent and Landfill Leachate Samples Executive Summary 3M Environmental Laboratory June 25, 2001 Introduction The Multi-City study was conducted to obtain data about the presence of fluorochemicals in the environment, foods, and drinking water, in order to understand the potential sources of human and environmental exposures.

Northwest Bioanalytical _ Study No. biWBS00-145 Report No.

Report E01-1245 PFOS: A Reproduction Study with the Nothern Bobwhite Study Title ANALYTICAL PHASE REPORTFOR PFOS: A REPRODUCTIOSNTUDYWITH THENORTHERBNOBWHITE Data Requirement FIFRA Subdivision E, Section 71-4 OECD Guideline 206 Author Lisa A.

REPORT AE2201779 Stuy Tie ASSESSMENT OF ACUTE ORAL TOXICITY WITH T7868 IN THE RAT (ACUTE TOXIC CLASS METHOD) Author Ors Ms.

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AR226-2027 4-=. 1-H.^ 17" s ?

AR226-2042 lO:^^ ( WASHINGTON WORKS C-8 INDUSTRIAL HYGIENE A.

AR226-2079 -CTT'vr'i..^" ^iW DAT'-'-'; ?

AR226-2094 Test Results Sample Date Range Concentration Range AcHon Level Industrial 1/1/90 100% Sample Ot Sample Duration type Employee Name BTO; 08 IfiC: 701 TEFION FINE POWDER DRYER-EAST SIDEtfa: 1BO 8747 405 A 12(31/90 Pers Chemical 0.8/FC-143 BTO: 08 LOC; 702 TEFLON PINE POWDER DRYER CONTROL ROOM (ALSO SEE TTF081 1QSQ 294 3S6 A &a/FC-143 2/1460 320 2/14SO 3Z3 418 A 374 A C-WO-143 C-8/FC-143 3/1200 369 360 A C-e/FC-143 7/11/90 509 480 A CWC-143 BTO; 03 LOC: 703 TEFUON PIME POWDER PACKOUT ROOM 1/10(90 15515 355 P 7/1WO 611 480 A 8/10CO 638 330 A 09PJ C.WPC.143 &WC-143 &8fl;:C.143 BTO; 08 LOC: 704 TePLON A/8-FIM6 POWDER (>SWBQH HOOD 2/14BO 322 383 A 3/12(90 368 360 A BTO; 08 LOC; 706 TEPLOM DISPERSION PACK OUTAREA OBOOS-O 480 A BTO: 08 LOC: 708 TEFLON FINE POWDER DRYER S3 1/10(90 297 365 A 2/14(50 321 387 A Cfl/FC-143 C-WC-143 C.aPC-143 C-8/FC-143 C-8/F-C-143 BTO; 08 TEPLOM LOC!

AR226-2331 CADocumcnKi and Settings\BARTONC\Dc5i<top\c8\modeling How should we address the request for short-term air expo assessment?

AR226-2336 DuPont Modeling Methodology and Result DRAFT Shimizu Site June 2003 About the Model Industrial Source Complex Short Term 3 (ISC Sold/used globally, including in Japan http://www.phoenix-r.co.jp/products/products.htm Input Stack height, diameter Flowrate, temperature Mass of pollutant (kilogram per hour) Local meteorological data (Shizouka 1997, 98, 99 Output Ambient air concentrations in ug/m3 Max values and locations outside the property lin 'asr Prevailing wind Facility Ambien ground concent ug/ Model Calculations Ambient air concentrations based on Gaussia Equation Concentration a function of a vertical term a dispersion term Vertical term based on stack height, recepto elevation, plume rise, mixing Dispersion parameters describe distribution o pollutant in lateral and vertical '^f^^S^^?

AR226-2623 11 Draft: Prepared at the Request of Council AR226-2623 Data and Modeling Procedures Dispersion modeling was performed using the U.S.

AR226-2656 Is AR226-2656 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed for the DuPont Washington Works facility to demonstrate that the emission limits included in the form R13 permits (815E, 1353B, 1953B, and 2365C) comply with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.