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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 147
Subpart O - Subpart O—Illinois
§ 147.700 - State-administered program—Class I, III, IV, and V wells.
§ 147.701 - State-administered program—Class II wells.
§ 147.703 - EPA-administered program—Indian lands.
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