Title 40 -- Protection of Environment
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Chapter I Environmental Protection Agency (Parts 50 - 99)
SUBCHAPTER C AIR PROGRAMS

Part

  
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 (52.01-52.1018)
PART 52 APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS (52.1020-52.2920)
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 (63.1-63.599)
PART 63 NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (63.600-63.1199)
PART 63 NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (63.1200-63.1439)
PART 63 NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (63.1440-End)
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 FOR ACID RAIN PROGRAM
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 (86.1 to 86.599
PART 86 CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES (86.600 to End
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
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 AIR POLLUTION FROM MARINE COMPRESSION-IGNITION ENGINES
PART 95 MANDATORY PATENT LICENSES
PART 96 NOX BUDGET TRADING PROGRAM FOR STATES IMPLEMENTATION PLANS
PART 97 FEDERAL NOX BUDGET TRADING PROGRAM