By Claudia M. O’Brien and Marc T. Campopiano

The Environmental Protection Agency recently finalized two guidance documents for Class VI wells used for long-term carbon capture and sequestration (CCS): the Underground Injection Control (UIC) Program Class VI Well Area of Review Evaluation and Corrective Action Guidance and the Underground Injection Control (UIC) Program Class VI Well Site Characterization Guidance. EPA also released a draft guidance entitled Draft Underground Injection Control (UIC) Program Guidance on Class VI Well Plugging, Post-Injection Site Care, and Site Closure.