Section 147.1155 - Requirements for all EPA-administered wells(a)Area of review. Notwithstanding the alternatives presented in § 146.6 of this chapter, the area of review for Class II wells shall be a fixed radius as described in § 146.6(b) of this chapter.(b)Tubing and packer. The owner or operator of an injection well injecting salt water for disposal shall inject through tubing and packer. The owner of an existing well must comply with this requirement within one year of the effective date of this program. 87 FR 45256 , July 28, 2022