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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Apr 19, 2025
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Title 40
Chapter I - CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
Part 64 [§ 64.1 - § 64.10] - PART 64—COMPLIANCE ASSURANCE MONITORING
Part 65 [§ 65.1 - § 65.169] - PART 65—CONSOLIDATED FEDERAL AIR RULE
Part 66 [§ 66.1 - § 66.95] - PART 66—ASSESSMENT AND COLLECTION OF NONCOMPLIANCE PENALTIES BY EPA
Part 67 [§ 67.1 - § 67.43] - PART 67—EPA APPROVAL OF STATE NONCOMPLIANCE PENALTY PROGRAM
Part 68 [§ 68.1 - § 68.220] - PART 68—CHEMICAL ACCIDENT PREVENTION PROVISIONS
Part 69 [§ 69.11 - § 69.52] - PART 69—SPECIAL EXEMPTIONS FROM REQUIREMENTS OF THE CLEAN AIR ACT
Part 70 [§ 70.1 - § 70.14] - PART 70—STATE OPERATING PERMIT PROGRAMS
Part 71 [§ 71.1 - § 71.27] - PART 71—FEDERAL OPERATING PERMIT PROGRAMS
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