40 CFR 144.19 - Transitioning from Class II to Class VI.
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(a) Owners or operators that are injecting carbon dioxide for the primary purpose of long-term storage into an oil and gas reservoir must apply for and obtain a Class VI geologic sequestration permit when there is an increased risk to USDWs compared to Class II operations. In determining if there is an increased risk to USDWs, the owner or operator must consider the factors specified in § 144.19(b).
(b) The Director shall determine when there is an increased risk to USDWs compared to Class II operations and a Class VI permit is required. In order to make this determination the Director must consider the following:
[75 FR 77288, Dec. 10, 2010]
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.