SUBCHAPTER C—AIR PROGRAMS (Parts 50–99)
- PART 50—NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS
- PART 51—REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS
- PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS
- PART 53—AMBIENT AIR MONITORING REFERENCE AND EQUIVALENT METHODS
- PART 54—PRIOR NOTICE OF CITIZEN SUITS
- PART 55—OUTER CONTINENTAL SHELF AIR REGULATIONS
- PART 56—REGIONAL CONSISTENCY
- PART 57—PRIMARY NONFERROUS SMELTER ORDERS
- PART 58—AMBIENT AIR QUALITY SURVEILLANCE
- PART 59—NATIONAL VOLATILE ORGANIC COMPOUND EMISSION STANDARDS FOR CONSUMER AND COMMERCIAL PRODUCTS
- PART 60—STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES
- PART 61—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS
- PART 62—APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTS
- PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
- PART 64—COMPLIANCE ASSURANCE MONITORING
- PART 65—CONSOLIDATED FEDERAL AIR RULE
- PART 66—ASSESSMENT AND COLLECTION OF NONCOMPLIANCE PENALTIES BY EPA
- PART 67—EPA APPROVAL OF STATE NONCOMPLIANCE PENALTY PROGRAM
- PART 68—CHEMICAL ACCIDENT PREVENTION PROVISIONS
- PART 69—SPECIAL EXEMPTIONS FROM REQUIREMENTS OF THE CLEAN AIR ACT
- PART 70—STATE OPERATING PERMIT PROGRAMS
- PART 71—FEDERAL OPERATING PERMIT PROGRAMS
- PART 72—PERMITS REGULATION
- PART 73—SULFUR DIOXIDE ALLOWANCE SYSTEM
- PART 74—SULFUR DIOXIDE OPT-INS
- PART 75—CONTINUOUS EMISSION MONITORING
- PART 76—ACID RAIN NITROGEN OXIDES EMISSION REDUCTION PROGRAM
- PART 77—EXCESS EMISSIONS
- PART 78—APPEAL PROCEDURES
- PART 79—REGISTRATION OF FUELS AND FUEL ADDITIVES
- PART 80—REGULATION OF FUELS AND FUEL ADDITIVES
- PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
- PART 82—PROTECTION OF STRATOSPHERIC OZONE
- PART 85—CONTROL OF AIR POLLUTION FROM MOBILE SOURCES
- PART 86—CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES
- PART 87—CONTROL OF AIR POLLUTION FROM AIRCRAFT AND AIRCRAFT ENGINES
- PART 88—CLEAN-FUEL VEHICLES
- PART 89—CONTROL OF EMISSIONS FROM NEW AND IN-USE NONROAD COMPRESSION-IGNITION ENGINES
- PART 90—CONTROL OF EMISSIONS FROM NONROAD SPARK-IGNITION ENGINES AT OR BELOW 19 KILOWATTS
- PART 91—CONTROL OF EMISSIONS FROM MARINE SPARK-IGNITION ENGINES
- PART 92—CONTROL OF AIR POLLUTION FROM LOCOMOTIVES AND LOCOMOTIVE ENGINES
- PART 93—DETERMINING CONFORMITY OF FEDERAL ACTIONS TO STATE OR FEDERAL IMPLEMENTATION PLANS
- PART 94—CONTROL OF EMISSIONS FROM MARINE COMPRESSION-IGNITION ENGINES
- PART 95—MANDATORY PATENT LICENSES
- PART 96—NO X BUDGET TRADING PROGRAM AND CAIR NO X AND SO2 TRADING PROGRAMS FOR STATE IMPLEMENTATION PLANS
- PART 97—FEDERAL NO X BUDGET TRADING PROGRAM AND CAIR NO X AND SO 2 TRADING PROGRAMS
- PART 98—MANDATORY GREENHOUSE GAS REPORTING