Document DDJedkJJp2R48YE1g7dnEo0oa

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: 2/20/2020 Water Brine - CWA 4D Oil and Gas, LLC Unknown 36.567612, -96.151177 Barnsdall, Oklahoma 74002 523 Kihekah Ave. Pawhuska, Oklahoma 74056 Osage County 918-625-7282 Butch McComas FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: N/A OKU000885 N/A 21111 1311 Personnel participating in inspection: Kent W. Sanborn EPA 6 ECDWE Environmental Engineer EPA Lead Inspector Signature/Date Supervisor Signature/Date Kent W. Sanborn Digitally signed by Kent W. Sanborn DN: cn=Kent W. Sanborn, o, ou=6EN-WR, email=sanborn.kent@epa.gov, c=US Date: 2020.03.25 10:46:34 -05'00' Kent W. Sanborn Date GUY TIDMORE Guy Tidmore Digitally signed by GUY TIDMORE DN: c=US, o=U.S. Government, ou=Environmental Protection Agency, cn=GUY TIDMORE, 0.9.2342.19200300.100.1.1=68001003655426 Date: 2020.03.31 15:18:03 -05'00' 31 MAR 2020 Date 6ENFORM-020-R8.2 (02/12/2020) 1 Section I - INTRODUCTION 4D Oil and Gas, LLC / Unknown Inspection Date: 02/20/2020 PURPOSE OF THE INSPECTION EPA Region 6 inspector K.W. Sanborn visited the 4D Oil and Gas, LLC oil and gas facility located near Barnsdall, Oklahoma on 02/20/2020 for an unannounced inspection. There were no representatives of 4D Oil and Gas, LLC present for the inspection. The inspection was conducted by authority of the Clean Water Act and the Safe Drinking Water Act to determine compliance with the Environmental Protection Agency (EPA) regulations. FACILITY DESCRIPTION This tank battery was located about 2-3 miles north of Barnsdall, Oklahoma and west of Highway 123. Section II - OBSERVATIONS The storage facility for produced water (SWF) had a large pit at the facility that had been pumped down prior to the inspection and was lined. I observed the injection well (EPA ID: OS3614) was injecting at 115 psi. Section III - AREAS OF CONCERN N/A Section IV - FOLLOW UP N/A Section V - LIST OF APPENDICES N/A 2