Shari Ring is a Senior Associate in Cadmus’ Arlington, VA office with 30 years of experience supporting EPA’s ground water protection efforts, particularly for the Underground Injection Control Program. She heads Cadmus' UIC support team, and in that capacity has supported all of the federal UIC Program’s rulemakings and other significant initiatives for 3 decades. Of relevance to this talk, she has supported EPA throughout the development and implementation of the federal Class VI rule for wells injecting carbon dioxide for geologic sequestration. That support includes research and support for the rulemaking, preparing a series of guidance documents on the rule, and most recently, and reviewing Class VI permit applications in support of USEPA’s regional offices.