i.A7 .itv<H ^____^^ ATTACHMENT XIV AR226-1987 UTItUariEC Wt E.

AR226-2080 ROGER, 1 / HERE IS THE IN FORMATION ON THE C-8 SAMPLING DONE III FOBS POWDER SINCE JANUARY 199A.

AR226-2085 J.Z^fd" <aPFH.

AR226-2174 DISPERSION MODELING PROTOCOL Fluoropolymers Plant-APFO Emissions DuPont Washington Works Prepared by: Debbie J.

.3M Environmental Technology and Services CO Box 33351 St.

C-8 DETECTED HASHINGTON WORKS SITE SUPERNATE POND AREA - CONTAMINATED SOIL - 6ROUNDWATER (-20 FT,) WEST END OF SITE - WELLS 27 & 4 - 6ROUNDWATER (-75 FT.)

AR226-2598 I ^ I I REVISED GROUNDWATER FLOW I MODEL DUPONT WASHINGTON WORKS I WASHINGTON, WV I I I "') * I Date: January 2003 I Project No,: 18983635 7423 I I I CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond I Bariey Mill Plaza, Building 27 Wilmington, Delaware 19805 I w ASH020280 EID630708 I I I I I I tKSKjjl 'tW ",'' '|I I I I I I I I Revised Qroundwater Flow Modal _______________________Introduction TABLE OF CONTENTS 1.0 Introduction,-................................"..--.---..--...............................,,,.,...--..................,3 2,0 Site Setting, Geology, and Hydrogeology.................................................................. 4 2.1 Site Setting..........,,..................................,,....,,...,,,,,,.----................,,,,.,,.,,---- 4 2.2 Geology................................,.....................................--.-....----.------.--.---4 2.3 5 Hydrogeology.............................................................................................. 3.0 Primary Data Sources....................,...,...........,..,.......,,.............................,,........----. 7 4.0 Model Set-up................................................................................................. 9 4.1 Model Domain and iMscredzation................................................,,,,...........-- 9 4.2 Boundary Conditions ....,,,,...,,.....,,,,...,,.----..............,,,,.,,,........--.--............ 10 4.2-1 No Flow Boundaries ,,.,,,,...,,..,,.,,.....,,,,...........,,.........,,,,,,,,................ 10 4.2.2 Ohio River..................................................................................... 10 4.2.3 Minor Surface Water Features.................................................... 12 4.2.4 Pumping Wells................................................................................. 13 4.3 Main Input Values......--.........,........................,,..............-...........--.............. 16 4.3.1 Hydraulic Conductivity ............................................................ 16 4.3.2 18 Recharge.............................................................................. 5.0 Groiffldwater Model Calibration ..,,.,,................,,...,......,,...,,..,--.............................. 19 5.1 Calibration Strategy....................................................................................... 19 5.2 Calibration Results................................................................................. 20 6,0 Model Results.....,.,.........,.............,.,,.,.,,.-.-.-...................,..........----................2l 6.1 MassBalaflce...,............................,........,,,.,.--................,.,..,...--"..--..............21 6.2 Current Pumping Conditions........................................................................... 21 6.3 No DuPont Pumping.......................................................................... 22 6.4 No GE Pumping.............................................................................................. 23 6.5 No Pumping by DuPont or GE................................................................. 23 6.6 No Little HocldngWA Pumping......................................................... 23 7.0 Sensitivity Analysis....................,.,.,.,,.,,.,,..................................--....--.................... 25 8.0 Model Conclusions.......,..,.,,,,.--.........................................--....--..----...--...,,,.".26 9.0 27 References..............,.......,,.,.....-- .........,,...,,........,,.,,,,..,,..............,,..,,,,--...-..--.. 74Z3WWGWM-R01^oo Jan. 7.03 Wllmlnglon, DE ASH0202B1 EID630709 Revised Oroundwaier Plow Model Introduction TABLES Table 1 Primary Data Sources for the Gtoundwater Flow Model ,..,,., ...7 Table 2 Finite-Difference Grid Vertical Discretization .................. ...9 Table 3 Table 3.

AR226-2798 DuPont BLR 61-94 Study Title STATIC, ACUTE, -o-HOUR LC50 OF H-19704 TO BLUEGILL SUKFISH, Lepoils acrochirus Laboratory Project ID "askell Laboratory Report He. 61-94 Data Requirement United States Environmental Protection Agency 40 CFP 797.1400 Fish Acuf Toxicity Test Toxic Substances Control Act Author Keith E.

AR226-2979 u Font HLR 584-92 STATIC, ACVWWWmVNO iNil9,518 TO FATHEAD MIMNOW8.

sep LOI Meeting, February 6, 2003 [acdfesbertny |otbrieco [Dave Ruesr |Durony SE WAFR2T PH 2:45 Arase-- 1300 |vorcoyvr]rasrenseansyom ms@ende Jseogorous [souwense@us.oummr.co|m i lotrSpnaeTM 1cae | sen |siehecopae | (TakaykMekambra [Eos Gonem \orsesw tease]#is-365-9578 2ndkendra da don-amevica.con [Drwid 07205vod Coton this dpc cor| 1 LOI Meeting,February 6, 2003 [ob Row -- [/oeprrpkea]eor-o6-g5h bloJey u eimogo. v| [gree frie|77 Fes x ose mdeepost | Miee Greahioro> [Riporlay (Beko) [se 290z 5 |- Myecenwosd @ roping com " 8 EPA LOI Discussion 5 February 6, 2003 | 3 | Agenda * Review Potential Routes of Exposure * EPA Input/Discussion * Next Steps?

9 pp AR226-1531 Environmental Toxicology and Chemistry, Vol. 22, No. 1, pp. 196-204, 2003 2003 SETAC Printed in the USA 0730-7268/03 $12.00 .00 BIOCONCENTRATION AND TISSUE DISTRIBUTION OF PERFLUORINATED ACIDS IN RAINBOW TROUT (ONCORHYNCHUS MYKISS) JONATHAN W.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: rNe-fmeertrheydltpoerafsluNo-rMooecFtOanSeEsAullcfoohnoalm,idFoCe-t7h9a0n,olo;r may also be FM-3925.

EERIE Corporate Occupadonsl Medicine 3M Cer Building 220-3W.05 51733 906 Fox nRa96-0YTY aM 6O.ccAunpaEtpiiodneamlioElxopgoiscurIenvteostPiegraftliuoonroofocRteapnrooidcuAcctiidve Hormones in Men with "This published paper by Olsen et al (J Occup Env Med 1998;40:614-622) further examined the observation initially reported by Gilliland in his doctoral thesis that serum PFOA levels (as measured by total organic fluorine) may be associated with reproductive hormone changes.

ARYL-0513 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: 2PesrPflFuOorAooacmtamnooniciuacmids,alat,mAmmonmiounmiusamltp;emrafyluaolrsoooctbaenoraetfee,rrFedC-to p1e1n6t,adFeCc-a1f2i6u,orFoC--,1a69m,moorniFCu-m14sa3l.t,(OCcAtSan#oi3c82a5c-i2d,6-1) wcRhueirmrtaeenrtpkosiwn:dfoerrmy3atMsioolpinrdo.idnudIcitctsaiptouenrsiltioyttiwsnauasmmbnieoxrttus3ru8ef0f.oifciT7ehn8tel-yt9ec3shta%rsatacemtspterlsieuzbeisds ,tFaCtn-hc1oe2u6ga,hnda 7- 22% Cs, Cs, and Cy perfiuoro analogue compounds.

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