Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 09/21/2022 Water Clean Water Act - National Pollution Discharge Elimination System (Brine) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Unassigned Lease Adair E #1 Well Latitude: 36.332448, Longitude: -95.937440 Skiatook, Oklahoma, 74070 n/a n/a Tulsa County n/a n/a n/a Owner/Operator FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: n/a OKU002111 n/a 211111 1311 Personnel participating in inspection: Matthew Allen EPA, Region 6 ECDW Ben O'Dell OCC Inspector Oil and Gas Inspector EPA Lead Inspector Signature/Date Supervisor Signature/Date MATTHEW ALLEN Digitally signed by MATTHEW ALLEN DN: c=US, o=U.S.

Aug 1, 2023 Comment on Proposed Restriction of PFAS Japan Valve Manufacturers' Association (JVMA) Japan Valve Manufacturers' Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.

AR226-2704 26 AR226-2704 TORONTO WORKSHOP MATERIALS September 13-14,2004 Fluorotelomer Alcohol and Fluorotelomer-Based Polym (Bio)degradation Bob Buck DuPont Chemical Solutions Enterprise Wilmington, DE Fluorotelomer-based Polyme Do polymers "degrade" to form fluorotelomer species that can transform, partition, migrate?

AR226-2768 FOR DU FONT USE ONLY Copies co: E.

ECHA comment 6 / Information on alternatives and socio economic impacts for missing uses and resulting emissions Aircraft wires Direct import of our products constitute approximately 10 Tons of fluoropolymers per year for this application.

Copies +o; E.

FOR.PO' FONT USE ONLY AR226-2888 Copies to E.

AR226-2918 FOR DU PONT USE ONLY cc: Haskell E.

Comment on Proposed Restriction of PFAS Aug 25, 2023 Japan Valve Manufactures' Association (JVMA) Japan Valve Manufacturers Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.

To: Mr.

Comment on Proposed Restriction of PFAS Aug 25, 2023 Japan Valve Manufactures' Association (JVMA) Japan Valve Manufacturers Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.

AR226-2965 DU FONT USE ONLY Du Font HLR 636-91 Study Title STATIC, ACUTE, 96-HOUR LC50 oqfi--------|^ TO FATHEAD MINNOWS ( PIHEPHALES^SDHELAS) Author Kevin N.

FPS GmbH - Putzenlehnerstr. 22 D-84508 Burgkirchen PFAS To the kind attention of The five Member State authorities and to ECHA FPS Fluorocarbon Polymer Solutions Response to Registry of Intention by the fluoropolymer user industry 1.

Comment on Proposed Restriction of PFAS Aug 25, 2023 Japan Valve Manufactures' Association (JVMA) Japan Valve Manufacturers Association (JVMA) appreciates the opportunity to provide comments to the PFAS restriction proposal. 1.

AR226-3108 Huntingdon CONFIDENTIAL DPT 438/984469 Ij >3 ASSESSMENT OF READY BIODEGRADABILITY MODIFIED STURM TEST Sponsor Dupont Speciality Chemicals, Jackson Laboratory, Chambers Works, Dcepwater, NJ 08023, USA.