From Object: determination of the Ka of the tiration acid by means of The determination of the Ka of the has been made titrating with NaOH 0.1N a 0.165% aqueous solution of the product.

Hydrogen Europe input to ECHA public consultation on the universal PFAS restriction proposal ANNEX Note 1: Henry et al. (2018), A critical review of the application of polymer of low concern and regulatory criteria to fluoropolymers, Integrated Environmental Assessment and Management published by Wiley Periodicals, Inc. on behalf of Society of Environmental Toxicology & Chemistry (SETAC), Volume 14, Number 3, pp. 316-334.

Baseline In the past decades, dust collection from industrial processes has undergone extensive development `worldwide.

J Wildlife International, Ltdl 454C-107 DETERMINATION OF THE WATER SOLUBILITY OF PFOS BY THE SHAKE FLASK METHOD ADDENDUM WILDLIFE INTERNATIONAL, LTD.

zy03_1601 Gasket(extract) Significant design change of flange required : Products containing PFAS

UIP CONSULTATION RESPONSE on PFAS Ban - Annexes Annex 1 - images and tables Image1: Picture above: example of chemical tank wagon and their sealing assemblies with PFAS (highlighted in red).

AR226-2244 Thompson Colllns Watkins Smith Name Concentrations are from the deposition modeling runs, and Include wet and dry depletiondue to deposition Coordinates Paniculate Deposition (a'm'/yr) Vapor Deposition (S/nAyr) Total Deposition (g'nAyr) 445213E 4346090N 443141E 4345753N 443223E 4345847N 443254E 4345888N 0.00098 0.00179 0,00193 O.OQ186 0.00008 0.00021 0.00019 0.00018 0.00106 0.00200 0.00212 0.00204 Particulate Concentration Vapor Concentration Total Concentration (uaftn')____(ug/m'l____tug/in') 0.02000 0.03217 0.05217 0.03752 0.05854 0.09606 0.03665 0.05695 0.09360 0,03554 0.055B7 0,09141

AR226-2283 [.....l.....

5URFRCE TENSION (dyne/cm) ->. .& ui cn 0 (-n 0 Ln AR226-2394 en o 33 D C m o c en en o r ct -i 1-4 0 EID932219

AR226-2393 C-8 REDUCTION & CONTROL PROGRAMS STATUS R.

AR226-2583 Document 12 of 25 ASH018251 EID521411 I ^ I I I C-8 PLUME IDENTIFICAT10N/GROUNDWATER I ASSESSMENT WORK PLAN I DUPONT WASHINGTON WORKS FACILITY AND LOCAL, LETART AND I DRY RUN LANDFILLS I I I Dates May 2002 I Project No.; D6WW7423 I ^ I CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond I Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 I I I ASH018252 EID521412 I C-a Plums IdenflfledUon/GioundwatBr Assessment Wotk Plan __Introduction y TABLE OF CONTENTS 1.0 Introduction.......................................................................................................... 2 1.1 Document Organization..--......,........--........-,......--... .....,,..............,,..,,..-- ...,...3 1 2 . 12.0 Washingtoii Works Facility.....................................................................,.......,.,.,.4 Key Findings..............................................................................................4 2.2 Data Gaps,............................................................................................... ,.5 2.3 Summary--Recommended Activities to Fill Data Gaps.................................. 5 2.4 Detailed Justification..............................................................................6 1 1| H ^ 3 4 . . 3.0 Local LandfilL..................,.,..................,..,......................................-..........,.............8 KayFhldings.......................,,...................,...................,.................,..................,8 3.2 Summary--Recommended Activities to Fill Local Landfill Data Gaps ...........9 3.3 Detailed Justification................................................................................ 10 14.0 Letart Landfill...................................................................................................... 12 4.1 Key Findings--Letart Landfill.......................................................,...,,...,...12 Data Gaps for the Letart Landfill.........,................-...................,,.............,.....13 4.3 Summary--Recommended Activities to Fill Letart Landfill Data Gaps,.,......13 4.4 Detailed Justification .......,,,,.,,....................................................................14 25.0 Dry Run LandfiU...........................,.....,.....................................................-,.,...........16 5.1 Key Findings--Dry Run Landfill............................................................ 16 5.2 Summary--Data Gaps for the Dry Run Landfill............,,.,,,...............,.,,........]?

AR226-2753 Copies Co Material Tested Uccanoic ac id, pentadecafluoro- , ammonium saic* E.

Study Sponsor: Issue Date: Document Reference No.: ATOCHEM 2-NOV-87 98797 AR226-2933 Acute Toxicity to Daphnia Magna Author(s): A.M.

3M Please find attached 3M's comments on the Safer Products for Washington - Draft Report on Priority Consumer Products.