CFR › Title 40 › Part 144 › §144.6040 CFR §144.60Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)The requirements of §§ 144.62, 144.63, and 144.70 apply to owners and operators of all existing and new Class I Hazardous waste injection wells, except as provided otherwise in this section.