U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 146Subpart B - Subpart B—Criteria and Standards Applicable to Class I Wells
View all text of Subpart B [§ 146.11 - § 146.16]
§ 146.11 - Criteria and standards applicable to Class I nonhazardous wells.

This subpart establishes criteria and standards for underground injection control programs to regulate Class I nonhazardous wells.

[53 FR 28148, July 26, 1988]
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