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Home Page > Executive Branch > Code of Federal Regulations > Electronic Code of Federal Regulations

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e-CFR Data is current as of November 19, 2009

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

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Subpart A--GENERAL

§90.1
Applicability.
§90.2
Effective dates.
§90.3
Definitions.
§90.4
Treatment of confidential information.
§90.5
Acronyms and abbreviations.
§90.6
Table and figure numbering; position.
§90.7
Reference materials.
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Subpart B--EMISSION STANDARDS AND CERTIFICATION PROVISIONS

§90.101
Applicability.
§90.102
Definitions.
§90.103
Exhaust emission standards.
§90.104
Compliance with emission standards.
§90.105
Useful life periods for Phase 2 engines.
§90.106
Certificate of conformity.
§90.107
Application for certification.
§90.108
Certification.
§90.109
Requirement of certification--closed crankcase.
§90.110
Requirement of certification--prohibited controls.
§90.111
Requirement of certification--prohibition of defeat devices.
§90.112
Requirement of certification--adjustable parameters.
§90.113
In-use testing program for Phase 1 engines.
§90.114
Requirement of certification--engine information label.
§90.115
Requirement of certification--supplying production engines upon request.
§90.116
Certification procedure--determining engine displacement, engine class, and engine families.
§90.117
Certification procedure--test engine selection.
§90.118
Certification procedure--service accumulation and usage of deterioration factors.
§90.119
Certification procedure--testing.
§90.120
Certification procedure--use of special test procedures.
§90.121
Certification procedure--recordkeeping.
§90.122
Amending the application and certificate of conformity.
§90.123
Denial, revocation of certificate of conformity.
§90.124
Request for hearing.
§90.125
Hearing procedures.
§90.126
Right of entry and access.
§90.127
Fuel line permeation from nonhandheld engines and equipment.
§90.128
Installation instructions.
§90.129
Fuel tank permeation from handheld engines and equipment.
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Subpart C--CERTIFICATION AVERAGING, BANKING, AND TRADING PROVISIONS

§90.201
Applicability.
§90.202
Definitions.
§90.203
General provisions.
§90.204
Averaging.
§90.205
Banking.
§90.206
Trading.
§90.207
Credit calculation and manufacturer compliance with emission standards.
§90.208
Certification.
§90.209
Maintenance of records.
§90.210
End-of-year and final reports.
§90.211
Request for hearing.
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Subpart D--EMISSION TEST EQUIPMENT PROVISIONS

§90.301
Applicability.
§90.302
Definitions.
§90.303
Symbols, acronyms, abbreviations.
§90.304
Test equipment overview.
§90.305
Dynamometer specifications and calibration accuracy.
§90.306
Dynamometer torque cell calibration.
§90.307
Engine cooling system.
§90.308
Lubricating oil and test fuels.
§90.309
Engine intake air temperature measurement.
§90.310
Engine intake air humidity measurement.
§90.311
Test conditions.
§90.312
Analytical gases.
§90.313
Analyzers required.
§90.314
Analyzer accuracy and specifications.
§90.315
Analyzer initial calibration.
§90.316
Hydrocarbon analyzer calibration.
§90.317
Carbon monoxide analyzer calibration.
§90.318
Oxides of nitrogen analyzer calibration.
§90.319
NOconverter check.
§90.320
Carbon dioxide analyzer calibration.
§90.321
NDIR analyzer calibration.
§90.322
Calibration of other equipment.
§90.323
Analyzer bench checks.
§90.324
Analyzer leakage check.
§90.325
Analyzer interference checks.
§90.326
Pre- and post-test analyzer calibration.
§90.327
Sampling system requirements.
§90.328
Measurement equipment accuracy/calibration frequency table.
§90.329
Catalyst thermal stress test.
Appendix
Appendix A to Subpart D of Part 90 --Tables
Appendix
Appendix B to Subpart D of Part 90 --Figures
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Subpart E--GASEOUS EXHAUST TEST PROCEDURES

§90.401
Applicability.
§90.402
Definitions.
§90.403
Symbols, acronyms, and abbreviations.
§90.404
Test procedure overview.
§90.405
Recorded information.
§90.406
Engine parameters to be measured and recorded.
§90.407
Engine inlet and exhaust systems.
§90.408
Pre-test procedures.
§90.409
Engine dynamometer test run.
§90.410
Engine test cycle.
§90.411
Post-test analyzer procedures.
§90.412
Data logging.
§90.413
Exhaust sample procedure--gaseous components.
§90.414
Raw gaseous exhaust sampling and analytical system description.
§90.415
Raw gaseous sampling procedures.
§90.416
Intake air flow measurement specifications.
§90.417
Fuel flow measurement specifications.
§90.418
Data evaluation for gaseous emissions.
§90.419
Raw emission sampling calculations--gasoline fueled engines.
§90.420
CVS concept of exhaust gas sampling system.
§90.421
Dilute gaseous exhaust sampling and analytical system description.
§90.422
Background sample.
§90.423
Exhaust gas analytical system; CVS grab sample.
§90.424
Dilute sampling procedures--CVS calibration.
§90.425
CVS calibration frequency.
§90.426
Dilute emission sampling calculations--gasoline fueled engines.
§90.427
Catalyst thermal stress resistance evaluation.
Appendix
Appendix A to Subpart E of Part 90 --Tables
Appendix
Appendix B to Subpart E of Part 90 --Figures
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Subpart F--SELECTIVE ENFORCEMENT AUDITING

§90.501
Applicability.
§90.502
Definitions.
§90.503
Test orders.
§90.504
Testing by the Administrator.
§90.505
Maintenance of records; submittal of information.
§90.506
Right of entry and access.
§90.507
Sample selection.
§90.508
Test procedures.
§90.509
Calculation and reporting of test results.
§90.510
Compliance with acceptable quality level and passing and failing criteria for selective enforcement audits.
§90.511
Suspension and revocation of certificates of conformity.
§90.512
Request for public hearing.
§90.513
Administrative procedures for public hearing.
§90.514
Hearing procedures.
§90.515
Appeal of hearing decision.
§90.516
Treatment of confidential information.
Appendix
Appendix A to Subpart F of Part 90 --Sampling Plans for Selective Enforcement Auditing of Small Nonroad Engines
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Subpart G--IMPORTATION OF NONCONFORMING ENGINES

§90.601
Applicability.
§90.602
Definitions.
§90.603
[Reserved]
§90.604
General requirements.
§90.605-90.610
[Reserved]
§90.611
Importation for purposes other than resale.
§90.612
Exemptions and exclusions.
§90.613
Prohibited acts; penalties.
§90.614
Treatment of confidential information.
§90.615
Model year restrictions related to imported engines and equipment.
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Subpart H--MANUFACTURER PRODUCTION LINE TESTING PROGRAM

§90.701
Applicability.
§90.702
Definitions.
§90.703
Production line testing by the manufacturer.
§90.704
Maintenance of records; submission of information.
§90.705
Right of entry and access.
§90.706
Engine sample selection.
§90.707
Test procedures.
§90.708
Cumulative Sum (CumSum) procedure.
§90.709
Calculation and reporting of test results.
§90.710
Compliance with criteria for production line testing.
§90.711
Suspension and revocation of certificates of conformity.
§90.712
Request for public hearing.
§90.713
Administrative procedures for public hearing.
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Subpart I--EMISSION-RELATED DEFECT REPORTING REQUIREMENTS, VOLUNTARY EMISSION RECALL PROGRAM, ORDERED RECALLS

§90.801
Applicability.
§90.802
Definitions.
§90.803
Emission defect information report.
§90.804
Voluntary emissions recall.
§90.805
Reports, voluntary recall plan filing, record retention.
§90.806
Responsibility under other legal provisions preserved.
§90.807
Disclaimer of production warranty applicability.
§90.808
Ordered recall provisions.
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Subpart J--EXCLUSION AND EXEMPTION OF NONROAD ENGINES FROM REGULATIONS

§90.901
Applicability.
§90.902
Definitions.
§90.903
Exclusions, application of section 216 (10) and (11) of the Act.
§90.904
Who may request an exemption.
§90.905
Testing exemption.
§90.906
Manufacturer-owned exemption and precertification exemption.
§90.907
Display exemption.
§90.908
National security exemption.
§90.909
Export exemptions.
§90.910
Granting of exemptions.
§90.911
Submission of exemption requests.
§90.912
Treatment of confidential information.
§90.913
Exemption for engines certified to standards for large SI engines.
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Subpart K--PROHIBITED ACTS AND GENERAL ENFORCEMENT PROVISIONS

§90.1001
Applicability.
§90.1002
Definitions.
§90.1003
Prohibited acts.
§90.1004
General enforcement provisions.
§90.1005
Injunction proceedings for prohibited acts.
§90.1006
Penalties.
§90.1007
Bonding requirements related to compliance, enforcement, and warranty assurance.
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Subpart L--EMISSION WARRANTY AND MAINTENANCE INSTRUCTIONS

§90.1101
Applicability.
§90.1102
Definitions.
§90.1103
Emission warranty, warranty period.
§90.1104
Furnishing of maintenance instructions to ultimate purchaser.
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Subpart M--VOLUNTARY IN-USE TESTING

§90.1201
Applicability.
§90.1202
Definitions.
§90.1203
Voluntary Manufacturer In-Use Testing Program.
§90.1204
Maintenance, aging and testing of engines.
§90.1205
In-use test program reporting requirements.
§90.1206
[Reserved]
§90.1207
Entry and access.
§§90.1208-90.1249
[Reserved]
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