Part 146 — Underground Injection Control Program: Criteria and Standards
- Subpt. A General Provisions §§146.1 to 146.10
- Subpt. B Criteria and Standards Applicable to Class I Wells §§146.11 to 146.16
- Subpt. C Criteria and Standards Applicable to Class II Wells §§146.21 to 146.24
- Subpt. D Criteria and Standards Applicable to Class III Wells §§146.31 to 146.34
- Subpt. E Criteria and Standards Applicable to Class IV Injection Wells [Reserved]
- Subpt. F Criteria and Standards Applicable to Class V Injection Wells §146.51
- Subpt. G Criteria and Standards Applicable to Class I Hazardous Waste Injection Wells §§146.61 to 146.73
- Subpt. H Criteria and Standards Applicable to Class VI Wells §§146.81 to 146.95