AR22bs-0 2 Analytical Laboratory RepSotrtudoyn PTritelseence and Concentration of Potassium PerfluorooctaneEsuxlpfoosneadtetoinPSFeOrSumviaanGdaLviavgeer of Sprague-Dawley Rats REPORT AMENDMENT NO. 1 Amendment Date: 19 April 2000 Performing Laboratory 3M Environmental Technology & Safety Services 3M Environmental Laboratory 935 Bush Avenue St.

Fyr-020/. /378 AR 22 _ 106 25 of {Na ZZ; UNITED STATESWEANSVHIIRNOGNTMONE,NTDA.CL.

AR226-1742 PFOS: A PILOT REPRODUCTION STUDY WITH THE MALLARD FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

A Pharmacokinetic Study of Potassium Perfluorohexanesulfonate in the Cynomolgus Monkey Southern Research Institute Study ID: 9921.5 April 22,2003 Final Report on A Pharmacokinetic Study of Potassium Perfluorohexanesulfonate in the Cynomolgus Monkey To: 3M Corporation P.O.

STUD TITLE ExtractionofPota`AsnsailyusmisPeUrsfilnugorHoPoLcCt-aEnelseucltfroonsaptreafyr/oMmas`sQuSaiplecSterroummetarnyd Quail Liver for DRAETQAUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDYCOMPLETEDON September 06, 2001 PERFORMINGLABORATORY / TESTINGFACILITY.

- 3M l, P.. =~ or ERBuna KSeetiefk oe nD, Enmmne Hb ana 9To0ph Ave, Buin 65336 255775 AR2ZEI7YS Certified Mall tz owe FEMQ-040S-00373 PPT 05APR2S CMBIIICE: h MR SH5T5T7TE Document Processing Center ESPAiEottaP-aes Rtoosot somn6P42r8 eAtvtn:eaSnencdttTiioonos8(ns) U[SEPrA iam-- `Washington DC 20460-0001 Noch GONTAIN NO cBl CON RE: TSCA 8(E) SUPPLEMENTAL SUBMISSION: `Sulfonate-based and Carboxylic`based Flurochemicals, Docket Nos.

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

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.

GLP10-01-02; Interim Report 38 - Analysis of PFBS, PFHS, and PFOS in Groundwater Samples Collected at the Former Sludge Incorporation Area (FSIA) located in Decatur, AL, November/December 2012 Study Title 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 P hone:610-701-3761 Author Susan W olf 3M Environmental Laboratory Interim Report Completion Date Date of signing Performing Laboratory 3M Environmental Health and Safety Operations Environmental Laboratory 3M Center, Bldg 260-05-N-17 St.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO.

INTERIM REPORT #26 - Analysis of Groundwater Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE January 9, 2007 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244549 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 03/09/2006 Signature Name: Richard C.

M2&-0236 Attachments to Letter to C.

AR226-1030A033 BACK TO MAIN Focus Environmental, Inc.