Title 40

PART 90

Part 90 - Control Of Emissions From Nonroad Spark-ignition Engines At Or Below 19 Kilowatts

PART 90 - CONTROL OF EMISSIONS FROM NONROAD SPARK-IGNITION ENGINES AT OR BELOW 19 KILOWATTS Authority:42 U.S.C. 7401-7671q. Source:60 FR 34598, July 3, 1995, unless otherwise noted.

40:22.0.1.1.4.1SUBPART A
Subpart A - General
40:22.0.1.1.4.1.1.1SECTION 90.1
   90.1 Applicability.
40:22.0.1.1.4.1.1.2SECTION 90.2
   90.2 Effective dates.
40:22.0.1.1.4.1.1.3SECTION 90.3
   90.3 Definitions.
40:22.0.1.1.4.1.1.4SECTION 90.4
   90.4 Treatment of confidential information.
40:22.0.1.1.4.1.1.5SECTION 90.5
   90.5 Acronyms and abbreviations.
40:22.0.1.1.4.1.1.6SECTION 90.6
   90.6 Table and figure numbering; position.
40:22.0.1.1.4.1.1.7SECTION 90.7
   90.7 Reference materials.
40:22.0.1.1.4.2SUBPART B
Subpart B - Emission Standards and Certification Provisions
40:22.0.1.1.4.2.1.1SECTION 90.101
   90.101 Applicability.
40:22.0.1.1.4.2.1.2SECTION 90.102
   90.102 Definitions.
40:22.0.1.1.4.2.1.3SECTION 90.103
   90.103 Exhaust emission standards.
40:22.0.1.1.4.2.1.4SECTION 90.104
   90.104 Compliance with emission standards.
40:22.0.1.1.4.2.1.5SECTION 90.105
   90.105 Useful life periods for Phase 2 engines.
40:22.0.1.1.4.2.1.6SECTION 90.106
   90.106 Certificate of conformity.
40:22.0.1.1.4.2.1.7SECTION 90.107
   90.107 Application for certification.
40:22.0.1.1.4.2.1.8SECTION 90.108
   90.108 Certification.
40:22.0.1.1.4.2.1.9SECTION 90.109
   90.109 Requirement of certification - closed crankcase.
40:22.0.1.1.4.2.1.10SECTION 90.110
   90.110 Requirement of certification - prohibited controls.
40:22.0.1.1.4.2.1.11SECTION 90.111
   90.111 Requirement of certification - prohibition of defeat devices.
40:22.0.1.1.4.2.1.12SECTION 90.112
   90.112 Requirement of certification - adjustable parameters.
40:22.0.1.1.4.2.1.13SECTION 90.113
   90.113 In-use testing program for Phase 1 engines.
40:22.0.1.1.4.2.1.14SECTION 90.114
   90.114 Requirement of certification - engine information label.
40:22.0.1.1.4.2.1.15SECTION 90.115
   90.115 Requirement of certification - supplying production engines upon request.
40:22.0.1.1.4.2.1.16SECTION 90.116
   90.116 Certification procedure - determining engine displacement, engine class, and engine families.
40:22.0.1.1.4.2.1.17SECTION 90.117
   90.117 Certification procedure - test engine selection.
40:22.0.1.1.4.2.1.18SECTION 90.118
   90.118 Certification procedure - service accumulation and usage of deterioration factors.
40:22.0.1.1.4.2.1.19SECTION 90.119
   90.119 Certification procedure - testing.
40:22.0.1.1.4.2.1.20SECTION 90.120
   90.120 Certification procedure - use of special test procedures.
40:22.0.1.1.4.2.1.21SECTION 90.121
   90.121 Certification procedure - recordkeeping.
40:22.0.1.1.4.2.1.22SECTION 90.122
   90.122 Amending the application and certificate of conformity.
40:22.0.1.1.4.2.1.23SECTION 90.123
   90.123 Denial, revocation of certificate of conformity.
40:22.0.1.1.4.2.1.24SECTION 90.124
   90.124 Request for hearing.
40:22.0.1.1.4.2.1.25SECTION 90.125
   90.125 Hearing procedures.
40:22.0.1.1.4.2.1.26SECTION 90.126
   90.126 Right of entry and access.
40:22.0.1.1.4.2.1.27SECTION 90.127
   90.127 Fuel line permeation from nonhandheld engines and equipment.
40:22.0.1.1.4.2.1.28SECTION 90.128
   90.128 Installation instructions.
40:22.0.1.1.4.2.1.29SECTION 90.129
   90.129 Fuel tank permeation from handheld engines and equipment.
40:22.0.1.1.4.3SUBPART C
Subpart C - Certification Averaging, Banking, and Trading Provisions
40:22.0.1.1.4.3.1.1SECTION 90.201
   90.201 Applicability.
40:22.0.1.1.4.3.1.2SECTION 90.202
   90.202 Definitions.
40:22.0.1.1.4.3.1.3SECTION 90.203
   90.203 General provisions.
40:22.0.1.1.4.3.1.4SECTION 90.204
   90.204 Averaging.
40:22.0.1.1.4.3.1.5SECTION 90.205
   90.205 Banking.
40:22.0.1.1.4.3.1.6SECTION 90.206
   90.206 Trading.
40:22.0.1.1.4.3.1.7SECTION 90.207
   90.207 Credit calculation and manufacturer compliance with emission standards.
40:22.0.1.1.4.3.1.8SECTION 90.208
   90.208 Certification.
40:22.0.1.1.4.3.1.9SECTION 90.209
   90.209 Maintenance of records.
40:22.0.1.1.4.3.1.10SECTION 90.210
   90.210 End-of-year and final reports.
40:22.0.1.1.4.3.1.11SECTION 90.211
   90.211 Request for hearing.
40:22.0.1.1.4.4SUBPART D
Subpart D - Emission Test Equipment Provisions
40:22.0.1.1.4.4.1.1SECTION 90.301
   90.301 Applicability.
40:22.0.1.1.4.4.1.2SECTION 90.302
   90.302 Definitions.
40:22.0.1.1.4.4.1.3SECTION 90.303
   90.303 Symbols, acronyms, abbreviations.
40:22.0.1.1.4.4.1.4SECTION 90.304
   90.304 Test equipment overview.
40:22.0.1.1.4.4.1.5SECTION 90.305
   90.305 Dynamometer specifications and calibration accuracy.
40:22.0.1.1.4.4.1.6SECTION 90.306
   90.306 Dynamometer torque cell calibration.
40:22.0.1.1.4.4.1.7SECTION 90.307
   90.307 Engine cooling system.
40:22.0.1.1.4.4.1.8SECTION 90.308
   90.308 Lubricating oil and test fuels.
40:22.0.1.1.4.4.1.9SECTION 90.309
   90.309 Engine intake air temperature measurement.
40:22.0.1.1.4.4.1.10SECTION 90.310
   90.310 Engine intake air humidity measurement.
40:22.0.1.1.4.4.1.11SECTION 90.311
   90.311 Test conditions.
40:22.0.1.1.4.4.1.12SECTION 90.312
   90.312 Analytical gases.
40:22.0.1.1.4.4.1.13SECTION 90.313
   90.313 Analyzers required.
40:22.0.1.1.4.4.1.14SECTION 90.314
   90.314 Analyzer accuracy and specifications.
40:22.0.1.1.4.4.1.15SECTION 90.315
   90.315 Analyzer initial calibration.
40:22.0.1.1.4.4.1.16SECTION 90.316
   90.316 Hydrocarbon analyzer calibration.
40:22.0.1.1.4.4.1.17SECTION 90.317
   90.317 Carbon monoxide analyzer calibration.
40:22.0.1.1.4.4.1.18SECTION 90.318
   90.318 Oxides of nitrogen analyzer calibration.
40:22.0.1.1.4.4.1.19SECTION 90.319
   90.319 NOX converter check.
40:22.0.1.1.4.4.1.20SECTION 90.320
   90.320 Carbon dioxide analyzer calibration.
40:22.0.1.1.4.4.1.21SECTION 90.321
   90.321 NDIR analyzer calibration.
40:22.0.1.1.4.4.1.22SECTION 90.322
   90.322 Calibration of other equipment.
40:22.0.1.1.4.4.1.23SECTION 90.323
   90.323 Analyzer bench checks.
40:22.0.1.1.4.4.1.24SECTION 90.324
   90.324 Analyzer leakage check.
40:22.0.1.1.4.4.1.25SECTION 90.325
   90.325 Analyzer interference checks.
40:22.0.1.1.4.4.1.26SECTION 90.326
   90.326 Pre- and post-test analyzer calibration.
40:22.0.1.1.4.4.1.27SECTION 90.327
   90.327 Sampling system requirements.
40:22.0.1.1.4.4.1.28SECTION 90.328
   90.328 Measurement equipment accuracy/calibration frequency table.
40:22.0.1.1.4.4.1.29SECTION 90.329
   90.329 Catalyst thermal stress test.
40:22.0.1.1.4.4.1.30.9APPENDIX Appendix A
   Appendix A to Subpart D of Part 90 - Tables
40:22.0.1.1.4.4.1.30.10APPENDIX Appendix B
   Appendix B to Subpart D of Part 90 - Figures
40:22.0.1.1.4.5SUBPART E
Subpart E - Gaseous Exhaust Test Procedures
40:22.0.1.1.4.5.1.1SECTION 90.401
   90.401 Applicability.
40:22.0.1.1.4.5.1.2SECTION 90.402
   90.402 Definitions.
40:22.0.1.1.4.5.1.3SECTION 90.403
   90.403 Symbols, acronyms, and abbreviations.
40:22.0.1.1.4.5.1.4SECTION 90.404
   90.404 Test procedure overview.
40:22.0.1.1.4.5.1.5SECTION 90.405
   90.405 Recorded information.
40:22.0.1.1.4.5.1.6SECTION 90.406
   90.406 Engine parameters to be measured and recorded.
40:22.0.1.1.4.5.1.7SECTION 90.407
   90.407 Engine inlet and exhaust systems.
40:22.0.1.1.4.5.1.8SECTION 90.408
   90.408 Pre-test procedures.
40:22.0.1.1.4.5.1.9SECTION 90.409
   90.409 Engine dynamometer test run.
40:22.0.1.1.4.5.1.10SECTION 90.410
   90.410 Engine test cycle.
40:22.0.1.1.4.5.1.11SECTION 90.411
   90.411 Post-test analyzer procedures.
40:22.0.1.1.4.5.1.12SECTION 90.412
   90.412 Data logging.
40:22.0.1.1.4.5.1.13SECTION 90.413
   90.413 Exhaust sample procedure - gaseous components.
40:22.0.1.1.4.5.1.14SECTION 90.414
   90.414 Raw gaseous exhaust sampling and analytical system description.
40:22.0.1.1.4.5.1.15SECTION 90.415
   90.415 Raw gaseous sampling procedures.
40:22.0.1.1.4.5.1.16SECTION 90.416
   90.416 Intake air flow measurement specifications.
40:22.0.1.1.4.5.1.17SECTION 90.417
   90.417 Fuel flow measurement specifications.
40:22.0.1.1.4.5.1.18SECTION 90.418
   90.418 Data evaluation for gaseous emissions.
40:22.0.1.1.4.5.1.19SECTION 90.419
   90.419 Raw emission sampling calculations - gasoline fueled engines.
40:22.0.1.1.4.5.1.20SECTION 90.420
   90.420 CVS concept of exhaust gas sampling system.
40:22.0.1.1.4.5.1.21SECTION 90.421
   90.421 Dilute gaseous exhaust sampling and analytical system description.
40:22.0.1.1.4.5.1.22SECTION 90.422
   90.422 Background sample.
40:22.0.1.1.4.5.1.23SECTION 90.423
   90.423 Exhaust gas analytical system; CVS grab sample.
40:22.0.1.1.4.5.1.24SECTION 90.424
   90.424 Dilute sampling procedures - CVS calibration.
40:22.0.1.1.4.5.1.25SECTION 90.425
   90.425 CVS calibration frequency.
40:22.0.1.1.4.5.1.26SECTION 90.426
   90.426 Dilute emission sampling calculations - gasoline fueled engines.
40:22.0.1.1.4.5.1.27SECTION 90.427
   90.427 Catalyst thermal stress resistance evaluation.
40:22.0.1.1.4.5.1.28.11APPENDIX Appendix A
   Appendix A to Subpart E of Part 90 - Tables
40:22.0.1.1.4.5.1.28.12APPENDIX Appendix B
   Appendix B to Subpart E of Part 90 - Figures
40:22.0.1.1.4.6SUBPART F
Subpart F - Selective Enforcement Auditing
40:22.0.1.1.4.6.1.1SECTION 90.501
   90.501 Applicability.
40:22.0.1.1.4.6.1.2SECTION 90.502
   90.502 Definitions.
40:22.0.1.1.4.6.1.3SECTION 90.503
   90.503 Test orders.
40:22.0.1.1.4.6.1.4SECTION 90.504
   90.504 Testing by the Administrator.
40:22.0.1.1.4.6.1.5SECTION 90.505
   90.505 Maintenance of records; submittal of information.
40:22.0.1.1.4.6.1.6SECTION 90.506
   90.506 Right of entry and access.
40:22.0.1.1.4.6.1.7SECTION 90.507
   90.507 Sample selection.
40:22.0.1.1.4.6.1.8SECTION 90.508
   90.508 Test procedures.
40:22.0.1.1.4.6.1.9SECTION 90.509
   90.509 Calculation and reporting of test results.
40:22.0.1.1.4.6.1.10SECTION 90.510
   90.510 Compliance with acceptable quality level and passing and failing criteria for selective enforcement audits.
40:22.0.1.1.4.6.1.11SECTION 90.511
   90.511 Suspension and revocation of certificates of conformity.
40:22.0.1.1.4.6.1.12SECTION 90.512
   90.512 Request for public hearing.
40:22.0.1.1.4.6.1.13SECTION 90.513
   90.513 Administrative procedures for public hearing.
40:22.0.1.1.4.6.1.14SECTION 90.514
   90.514 Hearing procedures.
40:22.0.1.1.4.6.1.15SECTION 90.515
   90.515 Appeal of hearing decision.
40:22.0.1.1.4.6.1.16SECTION 90.516
   90.516 Treatment of confidential information.
40:22.0.1.1.4.6.1.17.13APPENDIX Appendix A
   Appendix A to Subpart F of Part 90 - Sampling Plans for Selective Enforcement Auditing of Small Nonroad Engines
40:22.0.1.1.4.7SUBPART G
Subpart G - Importation of Nonconforming Engines
40:22.0.1.1.4.7.1.1SECTION 90.601
   90.601 Applicability.
40:22.0.1.1.4.7.1.2SECTION 90.602
   90.602 Definitions.
40:22.0.1.1.4.7.1.3SECTION 90.603
   90.603 [Reserved]
40:22.0.1.1.4.7.1.4SECTION 90.604
   90.604 General requirements.
40:22.0.1.1.4.7.1.5SECTION 90.605-90.610
   90.605-90.610 [Reserved]
40:22.0.1.1.4.7.1.6SECTION 90.611
   90.611 Importation for purposes other than resale.
40:22.0.1.1.4.7.1.7SECTION 90.612
   90.612 Exemptions and exclusions.
40:22.0.1.1.4.7.1.8SECTION 90.613
   90.613 Prohibited acts; penalties.
40:22.0.1.1.4.7.1.9SECTION 90.614
   90.614 Treatment of confidential information.
40:22.0.1.1.4.7.1.10SECTION 90.615
   90.615 Model year restrictions related to imported engines and equipment.
40:22.0.1.1.4.8SUBPART H
Subpart H - Manufacturer Production Line Testing Program
40:22.0.1.1.4.8.1.1SECTION 90.701
   90.701 Applicability.
40:22.0.1.1.4.8.1.2SECTION 90.702
   90.702 Definitions.
40:22.0.1.1.4.8.1.3SECTION 90.703
   90.703 Production line testing by the manufacturer.
40:22.0.1.1.4.8.1.4SECTION 90.704
   90.704 Maintenance of records; submission of information.
40:22.0.1.1.4.8.1.5SECTION 90.705
   90.705 Right of entry and access.
40:22.0.1.1.4.8.1.6SECTION 90.706
   90.706 Engine sample selection.
40:22.0.1.1.4.8.1.7SECTION 90.707
   90.707 Test procedures.
40:22.0.1.1.4.8.1.8SECTION 90.708
   90.708 Cumulative Sum (CumSum) procedure.
40:22.0.1.1.4.8.1.9SECTION 90.709
   90.709 Calculation and reporting of test results.
40:22.0.1.1.4.8.1.10SECTION 90.710
   90.710 Compliance with criteria for production line testing.
40:22.0.1.1.4.8.1.11SECTION 90.711
   90.711 Suspension and revocation of certificates of conformity.
40:22.0.1.1.4.8.1.12SECTION 90.712
   90.712 Request for public hearing.
40:22.0.1.1.4.8.1.13SECTION 90.713
   90.713 Administrative procedures for public hearing.
40:22.0.1.1.4.9SUBPART I
Subpart I - Emission-Related Defect Reporting Requirements, Voluntary Emission Recall Program, Ordered Recalls
40:22.0.1.1.4.9.1.1SECTION 90.801
   90.801 Applicability.
40:22.0.1.1.4.9.1.2SECTION 90.802
   90.802 Definitions.
40:22.0.1.1.4.9.1.3SECTION 90.803
   90.803 Emission defect information report.
40:22.0.1.1.4.9.1.4SECTION 90.804
   90.804 Voluntary emissions recall.
40:22.0.1.1.4.9.1.5SECTION 90.805
   90.805 Reports, voluntary recall plan filing, record retention.
40:22.0.1.1.4.9.1.6SECTION 90.806
   90.806 Responsibility under other legal provisions preserved.
40:22.0.1.1.4.9.1.7SECTION 90.807
   90.807 Disclaimer of production warranty applicability.
40:22.0.1.1.4.9.1.8SECTION 90.808
   90.808 Ordered recall provisions.
40:22.0.1.1.4.10SUBPART J
Subpart J - Exclusion and Exemption of Nonroad Engines from Regulations
40:22.0.1.1.4.10.1.1SECTION 90.901
   90.901 Applicability.
40:22.0.1.1.4.10.1.2SECTION 90.902
   90.902 Definitions.
40:22.0.1.1.4.10.1.3SECTION 90.903
   90.903 Exclusions, application of section 216 (10) and (11) of the Act.
40:22.0.1.1.4.10.1.4SECTION 90.904
   90.904 Who may request an exemption.
40:22.0.1.1.4.10.1.5SECTION 90.905
   90.905 Testing exemption.
40:22.0.1.1.4.10.1.6SECTION 90.906
   90.906 Manufacturer-owned exemption and precertification exemption.
40:22.0.1.1.4.10.1.7SECTION 90.907
   90.907 Display exemption.
40:22.0.1.1.4.10.1.8SECTION 90.908
   90.908 National security exemption.
40:22.0.1.1.4.10.1.9SECTION 90.909
   90.909 Export exemptions.
40:22.0.1.1.4.10.1.10SECTION 90.910
   90.910 Granting of exemptions.
40:22.0.1.1.4.10.1.11SECTION 90.911
   90.911 Submission of exemption requests.
40:22.0.1.1.4.10.1.12SECTION 90.912
   90.912 Treatment of confidential information.
40:22.0.1.1.4.10.1.13SECTION 90.913
   90.913 Exemption for engines certified to standards for large SI engines.
40:22.0.1.1.4.11SUBPART K
Subpart K - Prohibited Acts and General Enforcement Provisions
40:22.0.1.1.4.11.1.1SECTION 90.1001
   90.1001 Applicability.
40:22.0.1.1.4.11.1.2SECTION 90.1002
   90.1002 Definitions.
40:22.0.1.1.4.11.1.3SECTION 90.1003
   90.1003 Prohibited acts.
40:22.0.1.1.4.11.1.4SECTION 90.1004
   90.1004 General enforcement provisions.
40:22.0.1.1.4.11.1.5SECTION 90.1005
   90.1005 Injunction proceedings for prohibited acts.
40:22.0.1.1.4.11.1.6SECTION 90.1006
   90.1006 Penalties.
40:22.0.1.1.4.11.1.7SECTION 90.1007
   90.1007 Bonding requirements related to compliance, enforcement, and warranty assurance.
40:22.0.1.1.4.12SUBPART L
Subpart L - Emission Warranty and Maintenance Instructions
40:22.0.1.1.4.12.1.1SECTION 90.1101
   90.1101 Applicability.
40:22.0.1.1.4.12.1.2SECTION 90.1102
   90.1102 Definitions.
40:22.0.1.1.4.12.1.3SECTION 90.1103
   90.1103 Emission warranty, warranty period.
40:22.0.1.1.4.12.1.4SECTION 90.1104
   90.1104 Furnishing of maintenance instructions to ultimate purchaser.
40:22.0.1.1.4.13SUBPART M
Subpart M - Voluntary In-Use Testing
40:22.0.1.1.4.13.1.1SECTION 90.1201
   90.1201 Applicability.
40:22.0.1.1.4.13.1.2SECTION 90.1202
   90.1202 Definitions.
40:22.0.1.1.4.13.1.3SECTION 90.1203
   90.1203 Voluntary Manufacturer In-Use Testing Program.
40:22.0.1.1.4.13.1.4SECTION 90.1204
   90.1204 Maintenance, aging and testing of engines.
40:22.0.1.1.4.13.1.5SECTION 90.1205
   90.1205 In-use test program reporting requirements.
40:22.0.1.1.4.13.1.6SECTION 90.1206
   90.1206 [Reserved]
40:22.0.1.1.4.13.1.7SECTION 90.1207
   90.1207 Entry and access.
40:22.0.1.1.4.13.1.8SECTION 90.1208-90.1249
   90.1208-90.1249 [Reserved]