PART 146—UNDERGROUND INJECTION CONTROL PROGRAM: CRITERIA AND STANDARDS
- Subpart A—General Provisions (§§ 146.1 - 146.10)
- Subpart B—Criteria and Standards Applicable to Class I Wells (§§ 146.11 - 146.16)
- Subpart C—Criteria and Standards Applicable to Class II Wells (§§ 146.21 - 146.24)
- Subpart D—Criteria and Standards Applicable to Class III Wells (§§ 146.31 - 146.34)
- Subpart E—Criteria and Standards Applicable to Class IV Injection Wells [Reserved]
- Subpart F—Criteria and Standards Applicable to Class V Injection Wells (§ 146.51)
- Subpart G—Criteria and Standards Applicable to Class I Hazardous Waste Injection Wells (§§ 146.61 - 146.73)
- Subpart H—Criteria and Standards Applicable to Class VI Wells (§§ 146.81 - 146.95)