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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 97
Subpart HHH - Subpart HHH—Monitoring and Reporting
§ 97.270 - General requirements.
§ 97.271 - Initial certification and recertification procedures.
§ 97.272 - Out of control periods.
§ 97.273 - Notifications.
§ 97.275 - Petitions.
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