This list of Final Class VI guidance documents below are prepared to assist:

• UIC program directors in implementing the Class VI program
• Class VI well owners or operators in complying with the Class VI regulations 

• Geologic Sequestration of Carbon Dioxide – Underground Injection Control Program Class VI Implementation Manual for UIC Program Directors (PDF)(212 pp, 5 MB, January 2018, EPA 816-R-18-001)
  FINAL - This document supports Class VI UIC Program Directors in implementing their responsibilities over the course of a Class VI GS project from pre-permitting through to site closure.
• Geologic Sequestration of Carbon Dioxide, Underground Injection Control (UIC) Program Class VI Well Plugging, Post-Injection Site Care, and Site Closure Guidance (PDF)(73 pp, 3 MB, December 2016, EPA 816-R-16-006)
  FINAL - This guidance supports Class VI permit applicants and owners or operators in complying with the well plugging, post-injection site care and site closure requirements of the Class VI rule.
• Summary of the EPA’s Responses to Public Comments Received on the Draft Class VI Well Plugging, Post-Injection Site Care, and Site Closure Guidance for Owners and Operators (PDF)(73 pp, 805 K, December 2016, EPA 816-S-16-002)
• Geologic Sequestration of Carbon Dioxide, Underground Injection Control Program Class VI Reporting, Record-keeping and Data Management Guidance for Owners or Operators (PDF)(84 pp, 3 MB, September 2016, EPA 816-R-16-005)
  FINAL - This guidance supports Class VI permit applicants and owners or operators in complying with the reporting and recordkeeping requirements of the Class VI rule and the related submittal and management of information associated with Class VI geologic sequestration projects.
• Summary of the EPA's Responses to Public Comments Received on the Draft Class VI Well Recordkeeping, Reporting, and Data Management Guidance for Owners or Operators (PDF)(81 pp, 2 MB, September 2016, EPA 816-S-16-001)
• Frequently Asked Questions About Class VI and Subpart RR Reporting (PDF)(2 pp, 162 K, September 2016, EPA 816-U-16-001)
• Geologic Sequestration of Carbon Dioxide - Underground Injection Control (UIC) Program Class VI Primacy Manual for State Directors (PDF)(167 pp, 1 MB, April 2014, 816-B-14-003)
  FINAL - This manual is intended to provide procedural support to UIC Program Directors preparing the required UIC primacy application materials to submit to EPA for approval.
• Geologic Sequestration of Carbon Dioxide - Underground Injection Control (UIC) Program Class VI Well Site Characterization Guidance (PDF)(192 pp, 4 MB, May 2013, 815-R-13-004)
  FINAL - This document is part of a series of technical guidance documents designed to support owners or operators of Class VI wells and the UIC Program permitting authorities.
• Geologic Sequestration of Carbon Dioxide - Underground Injection Control (UIC) Program Class VI Well Area of Review Evaluation and Corrective Action Guidance (PDF)(96 pp, 4 MB, May 2013, 816-R-13-005)
  FINAL - This guidance provides information regarding modeling requirements and recommendations for delineating the AoR, describes the circumstances under which the AoR is to be reevaluated, and describes how to perform an AoR reevaluation. In addition, the guidance presents information on how to identify, evaluate, and perform corrective action on artificial penetrations located within the AoR.
• Geologic Sequestration of Carbon Dioxide - Underground Injection Control (UIC) Program Class VI Well Testing and Monitoring Guidance (PDF)(142 pp, 5 MB, March 2013, 816-R-13-001)
  FINAL - The purpose of this guidance document is to describe the technologies, tools, and methods available to owners or operators of Class VI wells to fulfill the Class VI Rule requirements related to developing and implementing site- and project-specific strategies for testing and monitoring. The intended primary audiences of this guidance document are Class VI injection well owners or operators, contractors performing testing and monitoring activities, and UIC Program Directors.
• Geologic Sequestration of Carbon Dioxide - Underground Injection Control (UIC) Program Class VI Well Project Plan Development Guidance (PDF)(104 pp, 2 MB, August 2012, 816- R-11-017)
  FINAL - This guidance describes, for Class VI injection well owners or operators, the required elements of each plan and the site-specific elements of each GS project that may be considered when developing the plans. This document also describes the process by which the UIC Program Director will evaluate and approve each plan and how EPA recommends that the plans be reviewed and amended, if necessary, throughout the lifecycle of the project.
• Geologic Sequestration of Carbon Dioxide - Underground Injection Control (UIC) Program Class VI Well Construction Guidance (PDF)(58 pp, 1 MB, May 2012, 816-R-11-020)
  FINAL - This guidance describes, for Class VI injection well owners or operators, the construction, testing, and operating requirements for an approved Class VI injection well. It includes guidance and recommendations on how to meet these requirements. This document also describes the information that the UIC Program Director will evaluate when reviewing a permit application for a Class VI injection well.
• Research and Analysis in Support of UIC Class VI Program Financial Responsibility Requirements and Guidance (PDF)(99 pp, 3 MB, December 2010, 816-R-10-017)
  FINAL - This document provides some of the supporting research and analysis for the financial responsibility requirements (40 CFR 146.85) and guidance (EPA 816-D-10-010) for the UIC Class VI Program.
• Key Principles in EPA's Underground Injection Control Program Class VI Rule Related to Transition of Class II Enhanced Oil or Gas Recovery Wells to Class VI (PDF)(2 pp, 317 K, April 23, 2015)
  The UIC Class VI Rule was developed to facilitate GS and ensure protection of underground sources of drinking water from the risks that large scale C02 injection for purposes of long-term storage may pose. The memo identifies key principles related to the transition of ER wells that store C02 from Class II operations to the Class VI program.