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Home Page > Executive Branch > Code of Federal Regulations > Electronic Code of Federal Regulations
e-CFR Data is current as of November 3, 2008
TITLE 40--Protection of Environment
CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C--AIR PROGRAMS
PART 90--CONTROL OF EMISSIONS FROM NONROAD SPARK-IGNITION ENGINES AT OR BELOW 19 KILOWATTS
Subpart A--GENERAL
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| Treatment of confidential information. |
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| Acronyms and abbreviations. |
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| Table and figure numbering; position. |
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Subpart B--EMISSION STANDARDS AND CERTIFICATION PROVISIONS
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| Exhaust emission standards. |
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| Compliance with emission standards. |
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| Useful life periods for Phase 2 engines. |
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| Certificate of conformity. |
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| Application for certification. |
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| Requirement of certification--closed crankcase. |
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| Requirement of certification--prohibited controls. |
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| Requirement of certification--prohibition of defeat devices. |
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| Requirement of certification--adjustable parameters. |
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| In-use testing program for Phase 1 engines. |
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| Requirement of certification--engine information label. |
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| Requirement of certification--supplying production engines upon request. |
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| Certification procedure--determining engine displacement, engine class, and engine families. |
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| Certification procedure--test engine selection. |
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| Certification procedure--service accumulation and usage of deterioration factors. |
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| Certification procedure--testing. |
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| Certification procedure--use of special test procedures. |
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| Certification procedure--recordkeeping. |
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| Amending the application and certificate of conformity. |
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| Denial, revocation of certificate of conformity. |
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| Right of entry and access. |
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Subpart C--CERTIFICATION AVERAGING, BANKING, AND TRADING PROVISIONS
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| Credit calculation and manufacturer compliance with emission standards. |
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| End-of-year and final reports. |
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Subpart D--EMISSION TEST EQUIPMENT PROVISIONS
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| Symbols, acronyms, abbreviations. |
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| Dynamometer specifications and calibration accuracy. |
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| Dynamometer torque cell calibration. |
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| Lubricating oil and test fuels. |
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| Engine intake air temperature measurement. |
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| Engine intake air humidity measurement. |
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| Analyzer accuracy and specifications. |
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| Analyzer initial calibration. |
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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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| Carbon dioxide analyzer calibration. |
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| NDIR analyzer calibration. |
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| Calibration of other equipment. |
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| Analyzer interference checks. |
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| Pre- and post-test analyzer calibration. |
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| Sampling system requirements. |
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| Measurement equipment accuracy/calibration frequency table. |
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| Catalyst thermal stress test. |
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Subpart E--GASEOUS EXHAUST TEST PROCEDURES
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| Symbols, acronyms, and abbreviations. |
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| Engine parameters to be measured and recorded. |
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| Engine inlet and exhaust systems. |
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| Engine dynamometer test run. |
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| Post-test analyzer procedures. |
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| Exhaust sample procedure--gaseous components. |
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| Raw gaseous exhaust sampling and analytical system description. |
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| Raw gaseous sampling procedures. |
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| Intake air flow measurement specifications. |
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| Fuel flow measurement specifications. |
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| Data evaluation for gaseous emissions. |
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| Raw emission sampling calculations--gasoline fueled engines. |
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| CVS concept of exhaust gas sampling system. |
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| Dilute gaseous exhaust sampling and analytical system description. |
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| Exhaust gas analytical system; CVS grab sample. |
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| Dilute sampling procedures--CVS calibration. |
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| CVS calibration frequency. |
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| Dilute emission sampling calculations--gasoline fueled engines. |
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| Catalyst thermal stress resistance evaluation. |
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Subpart F--SELECTIVE ENFORCEMENT AUDITING
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| Testing by the Administrator. |
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| Maintenance of records; submittal of information. |
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| Right of entry and access. |
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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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| Request for public hearing. |
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| Administrative procedures for public hearing. |
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| Appeal of hearing decision. |
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| Treatment of confidential information. |
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Subpart G--IMPORTATION OF NONCONFORMING ENGINES
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| Importation for purposes other than resale. |
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| Exemptions and exclusions. |
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| Prohibited acts; penalties. |
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| Treatment of confidential information. |
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| Importation of partially complete engines. |
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Subpart H--MANUFACTURER PRODUCTION LINE TESTING PROGRAM
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| Production line testing by the manufacturer. |
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| Maintenance of records; submission of information. |
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| Right of entry and access. |
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| Cumulative Sum (CumSum) procedure. |
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| Calculation and reporting of test results. |
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| Compliance with criteria for production line testing. |
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| Suspension and revocation of certificates of conformity. |
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| Request for public hearing. |
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| Administrative procedures for public hearing. |
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Subpart I--EMISSION-RELATED DEFECT REPORTING REQUIREMENTS, VOLUNTARY EMISSION RECALL PROGRAM, ORDERED RECALLS
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| Emission defect information report. |
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| Voluntary emissions recall. |
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| Reports, voluntary recall plan filing, record retention. |
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| Responsibility under other legal provisions preserved. |
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| Disclaimer of production warranty applicability. |
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| Ordered recall provisions. |
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Subpart J--EXCLUSION AND EXEMPTION OF NONROAD ENGINES FROM REGULATIONS
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| Exclusions, application of section 216 (10) and (11) of the Act. |
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| Who may request an exemption. |
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| Manufacturer-owned exemption and precertification exemption. |
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| National security exemption. |
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| Submission of exemption requests. |
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| Treatment of confidential information. |
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| Exemption for engines certified to standards for large SI engines. |
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Subpart K--PROHIBITED ACTS AND GENERAL ENFORCEMENT PROVISIONS
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| General enforcement provisions. |
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| Injunction proceedings for prohibited acts. |
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Subpart L--EMISSION WARRANTY AND MAINTENANCE INSTRUCTIONS
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| Emission warranty, warranty period. |
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| Furnishing of maintenance instructions to ultimate purchaser. |
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Subpart M--VOLUNTARY IN-USE TESTING
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| Voluntary Manufacturer In-Use Testing Program. |
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| Maintenance, aging and testing of engines. |
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| In-use test program reporting requirements. |
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February 27, 2007< !-- #EndDate -- >-->
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