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Home Page > Executive Branch > Code of Federal Regulations > Electronic Code of Federal Regulations
e-CFR Data is current as of February 4, 2010
TITLE 40--Protection of Environment
CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C--AIR PROGRAMS
PART 86--CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES
Subpart G--SELECTIVE ENFORCEMENT AUDITING OF NEW LIGHT-DUTY VEHICLES
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| Testing by the Administrator. |
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| Maintenance of records; submittal of information. |
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| Maintenance of records; submittal of information. |
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| Calculation and reporting of test results. |
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| Compliance with acceptable quality level and passing and failing criteria for Selective Enforcement Audits. |
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| Suspension and revocation of certificates of conformity. |
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| Hearings on suspension, revocation, and voiding of certificates of conformity. |
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| Treatment of confidential information. |
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Subpart H--GENERAL PROVISIONS FOR IN-USE EMISSION REGULATIONS FOR 1994 AND LATER MODEL YEAR LIGHT-DUTY VEHICLES AND LIGHT-DUTY TRUCKS
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| Section numbering; construction. |
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| In-use emission standards for 1994 and later model year light-duty vehicles. |
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| In-use emission standards for 1998 and later model year light-duty vehicles. |
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| In-use emission standards for 1994 and later model year light-duty trucks. |
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| In-use emission standards for 1999 and later model year light-duty trucks. |
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Subpart I--EMISSION REGULATIONS FOR NEW DIESEL HEAVY-DUTY ENGINES; SMOKE EXHAUST TEST PROCEDURE
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| Dynamometer operation cycle for smoke emission tests. |
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| Dynamometer and engine equipment. |
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| Smoke measurement system. |
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Subpart J--FEES FOR THE MOTOR VEHICLE AND ENGINE COMPLIANCE PROGRAM
Subpart K--SELECTIVE ENFORCEMENT AUDITING OF NEW HEAVY-DUTY ENGINES, HEAVY-DUTY VEHICLES, AND LIGHT-DUTY TRUCKS
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| Testing by the Administrator. |
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| Maintenance of records; submittal of information. |
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| Calculation and reporting of test results. |
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| Compliance with acceptable quality level and passing and failing criteria for Selective Enforcement Audits. |
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| Suspension and revocation of certificates of conformity. |
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| Hearings on suspension, revocation and voiding of certificate of conformity. |
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| Hearings on suspension, revocation and voiding of certificates of conformity. |
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| Treatment of confidential information. |
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Subpart L--NONCONFORMANCE PENALTIES FOR GASOLINE-FUELED AND DIESEL HEAVY-DUTY ENGINES AND HEAVY-DUTY VEHICLES, INCLUDING LIGHT-DUTY TRUCKS
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| Criteria for availability of nonconformance penalties. |
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| Determination of upper limits. |
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| Emission standards for which nonconformance penalties are available. |
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| Production compliance auditing. |
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| Testing by the Administrator. |
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| Test procedures for PCA testing. |
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| Determining the compliance level and reporting of test results. |
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| Calculation and payment of penalty. |
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| Suspension and voiding of certificates of conformity. |
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| Hearing procedures for nonconformance determinations and penalties. |
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| Treatment of confidential information. |
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Subpart M--EVAPORATIVE EMISSION TEST PROCEDURES FOR NEW GASOLINE-FUELED, NATURAL GAS-FUELED, LIQUEFIED PETROLEUM GAS-FUELED AND METHANOL-FUELED HEAVY-DUTY VEHICLES
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| Introduction; structure of subpart. |
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| Equipment required; overview. |
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| Sampling and analytical systems; evaporative emissions. |
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| EPA heavy-duty vehicle (HDV) urban dynamometer driving schedule. |
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| Calibrations; frequency and overview. |
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| Evaporative emission enclosure calibrations. |
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| Hydrocarbon analyzer calibration. |
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| Calibration of other equipment. |
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| Test procedures; overview. |
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| Dynamometer load determination and fuel temperature profile. |
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| Test sequence; general requirements. |
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| Engine starting and restarting. |
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| Calculations; evaporative emissions. |
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| Fuel dispensing spitback procedure. |
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Subpart N--EMISSION REGULATIONS FOR NEW OTTO-CYCLE AND DIESEL HEAVY-DUTY ENGINES; GASEOUS AND PARTICULATE EXHAUST TEST PROCEDURES
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| Section numbering; construction. |
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| Introduction; structure of subpart. |
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| Introduction; structure of subpart. |
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| Introduction; structure of subpart. |
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| Equipment required and specifications; overview. |
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| Equipment required and specifications; overview. |
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| Dynamometer and engine equipment specifications. |
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| Exhaust gas sampling system; Otto-cycle and non-petroleum-fueled engines. |
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| Exhaust gas sampling and analytical system; diesel engines. |
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| Exhaust gas sampling and analytical system for gaseous emissions from heavy-duty diesel-fueled engines and particulate emissions from all engines. |
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| Exhaust gas analytical system; CVS bag sample. |
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| Weighing chamber and microgram balance specifications. |
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| Filter stabilization and microbalance workstation environmental conditions, microbalance specifications, and particulate matter filter handling and weighing procedures. |
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| Calibrations; frequency and overview. |
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| Engine dynamometer system calibrations. |
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| Gas meter or flow instrumentation calibration; particulate, methanol, and formaldehyde measurement. |
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| Hydrocarbon analyzer calibration. |
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| Carbon monoxide analyzer calibration. |
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| Oxides of nitrogen analyzer calibration. |
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| Oxides of nitrogen analyzer calibration. |
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| Carbon dioxide analyzer calibration. |
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| Methane analyzer calibration. |
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| Calibration of other equipment. |
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| Engine dynamometer test procedures; overview. |
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| Engine dynamometer test procedures; overview. |
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| Test sequence; general requirements. |
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| Engine mapping procedures. |
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| Transient test cycle generation. |
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| Transient test cycle generation. |
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| Pre-test engine and dynamometer preparation. |
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| Engine starting, restarting, and shutdown. |
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| Engine dynamometer test run. |
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| Engine dynamometer test run. |
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| Emission measurement accuracy. |
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| Emission measurement accuracy. |
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| Particulate filter handling and weighing. |
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| Test cycle validation criteria. |
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| Test cycle validation criteria. |
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| Calculations; exhaust emissions. |
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| Calculations; exhaust emissions. |
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| Calculations; particulate exhaust emissions. |
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| Supplemental emission test; test cycle and procedures. |
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| Steady-state testing with a ramped-modal cycle. |
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| Steady-state testing with a ramped-modal cycle. |
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| Steady-state testing with a discrete-mode cycle. |
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| Not-To-Exceed test procedures. |
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| Measuring smoke emissions within the NTE zone. |
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| Equipment specifications for field testing. |
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Subpart O--EMISSION REGULATIONS FOR NEW GASOLINE-FUELED OTTO-CYCLE LIGHT-DUTY VEHICLES AND NEW GASOLINE-FUELED OTTO-CYCLE LIGHT-DUTY TRUCKS; CERTIFICATION SHORT TEST PROCEDURES
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| Introduction; structure of subpart. |
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| Equipment required and specifications; overview. |
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| Calibration; frequency and overview. |
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| Certification Short Test procedure; overview. |
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| Certification Short Test sequence; general requirements. |
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| Certification Short Test emission test procedures--EPA. |
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Subpart P--EMISSION REGULATIONS FOR OTTO-CYCLE HEAVY-DUTY ENGINES, NEW METHANOL-FUELED NATURAL GAS-FUELED, AND LIQUEFIED PETROLEUM GAS-FUELED DIESEL-CYCLE HEAVY-DUTY ENGINES, NEW OTTO-CYCLE LIGHT-DUTY TRUCKS, AND NEW METHANOL-FUELED NATURAL GAS-FUELED, AND LIQUEFIED PETROLEUM GAS-FUELED DIESEL-CYCLE LIGHT-DUTY TRUCKS; IDLE TEST PROCEDURES
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| Introduction; structure of subpart. |
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| Equipment required and specifications; overview. |
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| Exhaust gas sampling system. |
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| Exhaust gas analysis system. |
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| Calibration; frequency and overview. |
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| Carbon monoxide analyzer calibration. |
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| Carbon dioxide analyzer calibration. |
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| Calibration of other equipment. |
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| Idle test procedure; overview. |
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| Test sequence; general requirements. |
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| Idle exhaust sample analysis. |
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| Calculation; idle exhaust emissions. |
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Subpart Q--REGULATIONS FOR ALTITUDE PERFORMANCE ADJUSTMENTS FOR NEW AND IN-USE MOTOR VEHICLES AND ENGINES
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| Conditions for disapproval. |
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| Information to be submitted. |
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Subpart R--GENERAL PROVISIONS FOR THE VOLUNTARY NATIONAL LOW EMISSION VEHICLE PROGRAM FOR LIGHT-DUTY VEHICLES AND LIGHT-DUTY TRUCKS
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| Section numbering; construction. |
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| General provisions; opt-in. |
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| National LEV program in effect. |
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| General provisions; opt-outs. |
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| Exhaust emission standards for 1999 and later light-duty vehicles. |
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| Exhaust emission standards for 1999 and later light light-duty trucks. |
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| Fleet average non-methane organic gas exhaust emission standards for light-duty vehicles and light light-duty trucks. |
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| Limitations on sale of Tier 1 vehicles and TLEVs. |
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| Maintenance of records; submittal of information. |
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| Light-duty exhaust durability programs. |
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| Small volume manufacturers certification procedures. |
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| Prohibition of defeat devices. |
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| Emission control diagnostic system for 1999 and later light-duty vehicles and light-duty trucks. |
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| Emission control diagnostic system for 1999 and later light-duty vehicles and light-duty trucks. |
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| Application for certification. |
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| Application for certification. |
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| Emission data vehicle selection. |
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| Test vehicles and engines. |
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| Mileage and service accumulation; emission measurements. |
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| Compliance with emission standards for the purpose of certification. |
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| Compliance with emission standards. |
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| Alternative procedure for notification of additions and changes. |
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| All-Electric Range Test requirements. |
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| Road load power, test weight, and inertia weight class determination. |
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| Test sequence; general requirements. |
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| Calculations; exhaust emissions. |
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| Calculations; particulate emissions. |
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| General enforcement provisions. |
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Subpart S--GENERAL COMPLIANCE PROVISIONS FOR CONTROL OF AIR POLLUTION FROM NEW AND IN-USE LIGHT-DUTY VEHICLES, LIGHT-DUTY TRUCKS, AND COMPLETE OTTO-CYCLE HEAVY-DUTY VEHICLES
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| Section numbering; construction. |
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| Acronyms and abbreviations. |
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| On-board diagnostics for vehicles less than or equal to 14,000 pounds GVWR. |
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| Maintenance instructions. |
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| Maintenance instructions. |
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| Prohibition of defeat devices. |
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| Prohibition of defeat devices. |
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| General standards; increase in emissions; unsafe conditions; waivers. |
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| General standards; increase in emissions; unsafe condition; waivers. |
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| Emission standards for light-duty vehicles. |
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| Emission standards for light-duty vehicles, light-duty trucks and medium-duty passenger vehicles. |
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| Emission standards for light-duty vehicles, light-duty trucks and medium-duty passenger vehicles. |
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| Emission standards for light-duty vehicles, light-duty trucks and medium-duty passenger vehicles. |
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| Emission standards for light-duty trucks 1. |
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| Emission standards for light-duty trucks 2. |
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| Emission standards for light-duty trucks 3. |
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| Emission standards for light-duty trucks 3. |
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| Emission standards for light-duty trucks 4. |
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| Emission standards for light-duty trucks 4. |
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| Emission standards for complete heavy-duty vehicles. |
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| Emission standards for complete heavy-duty vehicles. |
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| Complete heavy-duty vehicle averaging, trading, and banking program. |
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| Complete heavy-duty vehicle averaging, trading, and banking program. |
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| Durability group determination. |
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| Evaporative/refueling family determination. |
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| Durability data vehicle selection. |
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| Durability demonstration procedures for exhaust emissions. |
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| Durability demonstration procedures for exhaust emissions. |
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| Durability demonstration procedures for evaporative emissions. |
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| Durability demonstration procedures for evaporative emissions. |
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| Durability demonstration procedures for evaporative emissions. |
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| Durability demonstration procedures for refueling emissions. |
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| Durability demonstration procedures for refueling emissions. |
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| Assigned deterioration factors for small volume manufacturers and small volume test groups. |
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| Test group determination. |
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| Emission data vehicle selection. |
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| Emission data vehicle selection. |
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| Durability and emission testing requirements; waivers. |
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| Acceptance of vehicles for emission testing. |
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| Mileage accumulation requirements for test vehicles. |
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| Optional equipment and air conditioning for test vehicles. |
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| Confirmatory certification testing. |
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| Manufacturer-supplied production vehicles for testing. |
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| Rounding of emission measurements. |
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| Small volume manufacturer certification procedures. |
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| Carryover of certification data. |
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| Compliance with emission standards for the purpose of certification. |
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| Addition of a vehicle after certification; and changes to a vehicle covered by certification. |
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| General information requirements. |
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| Information requirements: Application for certification and submittal of information upon request. |
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| Manufacturer in-use verification testing requirements. |
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| Manufacturer in-use verification testing requirements. |
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| Manufacturer in-use confirmatory testing requirements. |
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| Manufacturer in-use verification and in-use confirmatory testing; submittal of information and maintenance of records. |
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| Denial, suspension or revocation of certificate of conformity. |
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| Application of good engineering judgment to manufacturers' decisions. |
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| Waivers for good in-use emission performance. |
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| How to comply with the Tier 2 and interim non-Tier 2 fleet average NOstandards. |
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| How do the Tier 2 and interim non-Tier 2 NOaveraging, banking and trading programs work? |
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| Maintenance of records and submittal of information relevant to compliance with fleet average NOstandards. |
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| Optional chassis certification for diesel vehicles. |
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| How to comply with the fleet average cold temperature NMHC standards. |
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Subpart T--MANUFACTURER-RUN IN-USE TESTING PROGRAM FOR HEAVY-DUTY DIESEL ENGINES
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| What testing requirements apply to my engines that have gone into service? |
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| How does this program work? |
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| How must I select and screen my in-use engines? |
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| How must I prepare and test my in-use engines? |
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| How do I determine whether an engine meets the vehicle-pass criteria? |
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| What are the requirements for Phase 1 and Phase 2 testing? |
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| How does in-use testing under this subpart relate to the emission-related warranty in Section 207(a)(1) of the Clean Air Act? |
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| What in-use testing information must I report to EPA? |
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| What records must I keep? |
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| What special provisions apply from 2005 through 2009? |
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| What special provisions may apply as a consequence of a delay in the particulate matter accuracy margin report for portable emission measurement systems? |
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| Appendix X to Part 86
--Sampling Plans for Selective Enforcement Auditing of Heavy-Duty Engines and Light-Duty Trucks |
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| Appendix XII to Part 86
--Tables for Production Compliance Auditing of Heavy-Duty Engines and Heavy-Duty Vehicles, Including Light-Duty Trucks |
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| Appendix XIV to Part 86
--Determination of Acceptable Durability Test Schedule for Light-Duty Vehicles and Light Light-Duty Trucks Certifying to the Provisions of Part 86, Subpart R |
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| Appendix XV to Part 86
--Procedure for Determining an Acceptable Exhaust Regeneration Durability-Data Test Schedule for Diesel Cycle Vehicles Equipped With Periodically Regenerating Trap Oxidizer Systems Certifying to the Provisions of Part 86, Subpart R |
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| Appendix XVI to Part 86
--Pollutant Mass Emissions Calculation Procedure for Gaseous-Fueled Vehicles and for Vehicles Equipped With Periodically Regenerating Trap Oxidizer Systems Certifying to the Provisions of Part 86, Subpart R |
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| Appendix XVII to Part 86
--Procedure for Determining Vehicle Emission Control Technology Category/Fuel Reactivity Adjustment Factors for Light-Duty Vehicles and Light Light-Duty Trucks Certifying to the Provisions of Part 86, Subpart R |
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| Appendix XVIII to Part 86
--Statistical Outlier Identification Procedure for Light-Duty Vehicles and Light Light-Duty Trucks Certifying to the Provisions of Part 86, Subpart R |
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