Sponsors: APME Ad-Hoc APFO Toxicology Working Group FINAL REPORT Study Title: 26-Week Capsule Toxicity Study with Ammonium Perfluorooctanoate (APFO) in Cynomolgus Monkeys Author: Peter J.

Studs NO.T-6316.9: DT21 Fluorochemical (FC) Levels in Naive Rats Final Report, Revision A January 09,2002 In-Life Start Date: July 8,1998 In-Life End Date: July 28, 1998 Study Location: 3M Strategic Toxicology Laboratory Corporate Toxicology 3M Medical Department 3M Center, Building 270-SB-314 St.

I ros: NORTHERN 'AREPRODUCTION BSOTBUWDHYIWTIETH THE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

AR226-2328 ^ J Bart Ruiter 04/08/2003 07:34 AM To: cc: Subject: Maria S Angelo/AE/DuPont@DuPont, Richard S Vickery/AE/DuPontQDuPont, Thomas R Morgan/AE/DuPont@DuPont, Mary A Kaiser/AE/DuPont@DuPont Stephen W Gonstable/AE/DuPont@DuPont, Catherine A Barton/AE/DuPont@DuPont, Robert A Reich/AE/DuPont@DuPont Charnbers Works: Effluent and River Draft Sampling Plan Maria, Rick and Tom I upgraded the Phase I sampling plan for the effluent and river based on your comments.

AR226-2360 E.!.

AR226-2573 COMPILATION OF HISTORICAL C-8 DATA DUPONT WASHINGTON WORKS MAIN PLANT AND LANDFILLS Date; January 2002 Project No: D6WW7423 h ^ CORPORATE REMEOIAT10N GROUP An Alliance between DuPOnt and URS Diamond Bailey MM SHOta, Building 27 Wilmingtwi, Dtttwait 196G5 JS0015042 EID620777 TABLE OF CONTENTS 1.0 Introduction............,....,.......................,...............--.......................................... 1-1 1.1 Document Organization.......................................................................... 1-1 1.2 C-8 Historical Laboratory Analysis........................................................... 1-1 1.3 Physicochemical Data for Animonium Perfluorooctanoate (C-8)................ 1-2 1.4 References................................................................................................. 1-2 2,0 Washington Worta Main Plant ...........................,...........................................,.,.....2-1 2.1 Introduction..,..,.....,............................-..--......,..........................................2-2 2.2 Environmental Setting...,....................................,...,.,.,.,....,,...........,...............2-3 2.2.1 Geology............,..,.,.,.,...................................,..,,..,............................2-3 2.2.2 Hydrology, Hydrogeology and Groundwater Flow..........,..,............2-3 2.3 Water Quality ..................................,..............................................................2-6 2.3.1 Surface Water Quality .....,..,.,.,................................................,,.......2-6 2.3.2 Groundwater Quality .......,,..,.........,.............................................,..,,2-6 2.3.3 Drinldng/Tap Water Quality .................,.,...,..,.,-.,....,.......................2-7 2.4 Site Conceptual Model ..,................................................................................2-7 2.5 DataGaps........-,.,...,....,...........................................,..-,...........,..................2-8 2.6 References..................................................--..................,..,...-,,,....,...............2-8 3.0 Local ]LandfiU....................................-.....,,,...,...........................:.................,..........3-l 3.1 Introduction ,......,...........................................-,......,........................................3-2 3.2 Eilvir&mnentalSetting.......,..,............,.................................,..........................3-2 3.2.1 3.2.2 Geology.................,,....................................,...,.,....,......,,......,........,..3-2 Hydrology, Hydrogeology and Groundwater Flow..........................3-3 3.3 Water Qualiy....,.................................................,..,.,.......,.............................3-4 3.3.1 Surface Water Quality ......................................................................3-4 3.3.2 Groundwater Quality .....................................,......,....,......,...............3-4 3.4 Site Conceptual Model...................,..,...,,..,....................................................3-5 3.5 DataGaps..........................................,........,.................................................-.3-6 3.6 References ....,..,..........,...,........1......................,..,.,.,,..,..........,.........................3-6 4.0 Letart Landfill........................... ,.................,......,.....................................,.............,4-1 4.1 Introduction ......-...............-..............,,.......,,.........................;..................,,,,,,,, 4-2 4.2 Environmental Settmg.........................................,..,......................................,4-2 4.2.1 Geology.........................................,,..................................................4-2 4.2.2 Hydrology, Hydrogeology and Grovndwater Flow..........................4-3 4.3 Water Quality ...,.........................................,...................................................4-4 4.3.1 Surface Water Quality ..............................,..........,............................4-4 4.3.2 Groundwater Quality.......................................,.,..............,...............4-5 4.4 Site Conceptual Model........................ ,..........................................................4-6 4.5 DataGaps.....,-................-.........-...,,,..................................-.....................,.4-7 4.6 References.............................;.......,.....,.,.................................................,......4-8 JS0015043 EID620778 Main Plant and Landfills Table of Contents 5.0 Dry Run Landfill .......................................................................................... ..5-1 5.1 Introduction........-....,...........--................................,...,............."......--....-- ..5-2 5.2 Environmental Setting........................................................,,,,..,,,,,,,,.,,........ ..5-2 5.2.1 5-2.2 Geology.......................................................................................... ..5-2 Hydrology, Hydrogeology and Groundwater Flow,.,....,....,,......... ..5,3 5.3 Water Quality................................................................................ ..5-4 5.3.1 Surface Water Quality ............................................................. ..5-4 5.3.2 Groundwater Quality ................................................................ ..5-4 5.4 Site Conceptual Model................................................................................ ..5-5 5.5 Data Gaps.................................................................................................. ,.5-6 5.6 References.......... ...........................,,...,,...,,.,,...--........................................ ,.5*6 TABLES Table 2.0 Table 2.1 A Table 2.1 B Table 2.1 C Table 3.0 Table 3.1A Table 3,1 B Table 4.0 Table 4.1 A Table 4.1 B Table 5.0 Table 5.1 A Table 5.1B Washington Works Main Plant Monitoring Wells Construction Data Washington Works Main Plant Analytical Data Table - Surface Water Washington Works Main Plant Analytical Data Table - Groundwater Washington Works Main Plant Analytical Data Table - Drinking Water Local Landfill Monitoring Wells Construction Data Local Landfill Analytical Data Tables - Surface Water Local Landfill Analytical Data Tables - Groundwater Letart Landfill Monitoring Wells Construction Data Letart LaodFdl Analytical Data Tables - Surface Water Letart Landfill Analytical Data Tables - Groundwater Dry Run Landfill Monitoring Wells Construction Data Dry Run Landfill Analytical Data Tables - Surface Water Dry Run Landfill Analytical Data Tables - Groundwater Figure 1.0 Figure 2.0 Figure 2.1 Figure 2.2 Figure 2.3 Figure 2.4A Figure 2.4B Figure 2.4C Figure 2.4D FIGURES Solubilities of CyF^ COOM in Water as a Function of Temperature Washington Works Main Plant Location and SWMU Map Washington Works Main Plant and Local Landfill 1-mile Radius Map Washington Works Main Plant Monitoring Well and Surface Water Sample Location Map Washington Works Main Plant Cross Section Location Map Washington Works Main Plant Cross Section A-A' Washington Works Main Plant Cross Section B-B' Washington Works Main Plant Cross Section C-C' Washington Works Main Plant Cross Section D-D' Compilation of hittBiy dale Draft 2rev.doc Mar. 11,02 Wilmtngton.

AR226-2731 APFO CONTAINMENT AT WASHINGTON WORKS Part II - Process Water Charts Prepared for Meetings at Shimizu Jan. 20-22, 2003 Company Sanlltod.

AR226-3168 TRADE SECRET Study Title H-24267: Two-Week Inhalation Toxicity Study in Male Rats Laboratory Project ID: DuPont-4292 AUTHOR: David P.

AGC SAFETY DATA SHEET 1.

3M SpecialtyMaterials 3M Center St.Paul,MN 55144-IOOQ_-:651733 1100 3M June 28,2000 FecEx, 18077182 FadEx Tracking Number for Customer VIA EXPRESS MAIL Dr.CharlesAuer Director Chemical ControlDivision OfficeOf PollutioPnreventionAnd Toxics UnitedStatesEnvironmentalProtectioAngency 401 M Street,Southwest Room 403 EastTower (MailCode 7405) Washington,D.

p. 1 'f P, ~~~ _ 6,76 ENVIRONMENT CANADA AND HEALTH CANAD A CONSULTATIONS ON THE PROPOSED ACTION PLAN FOR PERFLUOROCARBOXYLIC ACIDS AND PRECURSOR S REPORT OF CONSULTATION MEETING Ottawa, Ontario, Canada February 6 and 7, 2006 p. 2 Table of Contents INTRODUCTION . .. . . . .. . . ... . . . .. . ... . . .. . . . .. . . . . . . . ... . .. . . . . .. . . . . . . ... . . . . . . . . . . ... . . . . . . . .. . . . ... . . . .. . . . . . . . . .. . . . . . . . 2 WELCOME/OBJECTIVES . . . . . . . .. . . . .. . . . .. . . ... . . . .. . . .. . . .. . . . .. . . . . . . . . . . ... . . . . .. . . . . . . . .. . . . .. . . . . . . . . .... . . . . . 3 PART 1 THE SCIENTIFIC CONTEXT . . .. . . .. . . . .. . . .. . . ... . . . . . . .. . . . . .. . .. . . . . .. . . . . .. . . . .. . . .... . . . . . 4 PFCAs and Precursors : Simplified Terminology/Sources and Fate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Environmental Fate of Fluorotelomer Based Substances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 External Review and Science Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 PART 2 THE REGULATORY CONTEXT.............................................................. 8 Assessment and Management of Substances . .... .... . ... . . ... . ... . .... . .... .... . . ... . . ... ...... . . .. . ...... ... 9 PART 3 PROPOSALS ON PFCAs AND PRECURSORS ...................................... 9 Overview of Proposed Action Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Proposed Action Plan : New Substances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 FEEDBACK ON PROPOSED ACTIONS FOR NEW SUBSTANCES . . . . . . . . . . . . 1 2 Process for preparing a Regulatory Impact Analysis Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Proposed Action Plan : Existing Substances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 FEEDBACK ON PROPOSED ACTIONS FOR EXISTING SUBSTANCES . . 1 4 Proposed Action Plan : Research and International Cooperation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 CLOSING COMMENTS AND NEXT STEPS . . . .. .. . ... . . . . . ... . . .. . . . . . . . . .. . . . . . . . . . . . . . .. . . . ... . . . . . . 18 APPENDIX A : Consultation Agend a APPENDIX B : List of Participants Environment Canada Health Canada - PFCAs and Precursors : Action Plan Consultations - Report page 1 p. 3 INTRODUCTIO N In 2004, the New Substances Program of Environment Canada and Health Canada assessed four new substances which are considered sources of perfluorinated carboxylic acids (PFCAs) .

p. 1 Katherine E .

General Tasker - 2008UGENERAL-014345c i14345c Subject PHASE-OUT OF PERFLUOROOCTANOIC ACIDE (PFOA) Type: General External DCN: Serial #: SSIC: Keywords: Correspondent: ARNY Notification to: Dates ...

3M 3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

3M Environmental Laboratory Report No.