Title 40

PART 91

Part 91 - Control Of Emissions From Marine Spark-ignition Engines

PART 91 - CONTROL OF EMISSIONS FROM MARINE SPARK-IGNITION ENGINES Authority:42 U.S.C. 7401-7671q. Source:61 FR 52102, Oct. 4, 1996, unless otherwise noted. Effective Date Note:At 61 FR 52102, Oct. 4, 1996, part 91 was added. This part contains information collection and recordkeeping requirements that will not become effective until approval has been given by the Office of Management and Budget.

40:22.0.1.1.5.1SUBPART A
Subpart A - General
40:22.0.1.1.5.1.1.1SECTION 91.1
   91.1 Applicability.
40:22.0.1.1.5.1.1.2SECTION 91.2
   91.2 Applicable date.
40:22.0.1.1.5.1.1.3SECTION 91.3
   91.3 Definitions.
40:22.0.1.1.5.1.1.4SECTION 91.4
   91.4 Acronyms and abbreviations.
40:22.0.1.1.5.1.1.5SECTION 91.5
   91.5 Table and figure numbering; position.
40:22.0.1.1.5.1.1.6SECTION 91.6
   91.6 Reference materials.
40:22.0.1.1.5.1.1.7SECTION 91.7
   91.7 Treatment of confidential information.
40:22.0.1.1.5.2SUBPART B
Subpart B - Emission Standards and Certification Provisions
40:22.0.1.1.5.2.1.1SECTION 91.101
   91.101 Applicability.
40:22.0.1.1.5.2.1.2SECTION 91.102
   91.102 Definitions.
40:22.0.1.1.5.2.1.3SECTION 91.103
   91.103 Averaging, banking, and trading of exhaust emission credits.
40:22.0.1.1.5.2.1.4SECTION 91.104
   91.104 Exhaust emission standards for outboard and personal watercraft engines.
40:22.0.1.1.5.2.1.5SECTION 91.105
   91.105 Useful life period, recall, and warranty periods.
40:22.0.1.1.5.2.1.6SECTION 91.106
   91.106 Certificate of conformity.
40:22.0.1.1.5.2.1.7SECTION 91.107
   91.107 Application for certification.
40:22.0.1.1.5.2.1.8SECTION 91.108
   91.108 Certification.
40:22.0.1.1.5.2.1.9SECTION 91.109
   91.109 Requirement of certification - closed crankcase.
40:22.0.1.1.5.2.1.10SECTION 91.110
   91.110 Requirement of certification - prohibited controls.
40:22.0.1.1.5.2.1.11SECTION 91.111
   91.111 Requirement of certification - prohibition of defeat devices.
40:22.0.1.1.5.2.1.12SECTION 91.112
   91.112 Requirement of certification - adjustable parameters.
40:22.0.1.1.5.2.1.13SECTION 91.113
   91.113 Requirement of certification - emission control information label and engine identification number.
40:22.0.1.1.5.2.1.14SECTION 91.114
   91.114 Requirement of certification - supplying production engines upon request.
40:22.0.1.1.5.2.1.15SECTION 91.115
   91.115 Certification procedure - determining engine power and engine families.
40:22.0.1.1.5.2.1.16SECTION 91.116
   91.116 Certification procedure - test engine selection.
40:22.0.1.1.5.2.1.17SECTION 91.117
   91.117 Certification procedure - service accumulation.
40:22.0.1.1.5.2.1.18SECTION 91.118
   91.118 Certification procedure - testing.
40:22.0.1.1.5.2.1.19SECTION 91.119
   91.119 Certification procedure - use of special test procedures.
40:22.0.1.1.5.2.1.20SECTION 91.120
   91.120 Compliance with Family Emission Limits over useful life.
40:22.0.1.1.5.2.1.21SECTION 91.121
   91.121 Certification procedure - recordkeeping.
40:22.0.1.1.5.2.1.22SECTION 91.122
   91.122 Amending the application and certificate of conformity.
40:22.0.1.1.5.2.1.23SECTION 91.123
   91.123 Denial, revocation of certificate of conformity.
40:22.0.1.1.5.2.1.24SECTION 91.124
   91.124 Request for hearing.
40:22.0.1.1.5.2.1.25SECTION 91.125
   91.125 Hearing procedures.
40:22.0.1.1.5.2.1.26SECTION 91.126
   91.126 Right of entry and access.
40:22.0.1.1.5.3SUBPART C
Subpart C - Averaging, Banking, and Trading Provisions
40:22.0.1.1.5.3.1.1SECTION 91.201
   91.201 Applicability.
40:22.0.1.1.5.3.1.2SECTION 91.202
   91.202 Definitions.
40:22.0.1.1.5.3.1.3SECTION 91.203
   91.203 General provisions.
40:22.0.1.1.5.3.1.4SECTION 91.204
   91.204 Averaging.
40:22.0.1.1.5.3.1.5SECTION 91.205
   91.205 Banking.
40:22.0.1.1.5.3.1.6SECTION 91.206
   91.206 Trading.
40:22.0.1.1.5.3.1.7SECTION 91.207
   91.207 Credit calculation and manufacturer compliance with emission standards.
40:22.0.1.1.5.3.1.8SECTION 91.208
   91.208 Certification.
40:22.0.1.1.5.3.1.9SECTION 91.209
   91.209 Maintenance of records.
40:22.0.1.1.5.3.1.10SECTION 91.210
   91.210 End-of-year and final reports.
40:22.0.1.1.5.3.1.11SECTION 91.211
   91.211 Notice of opportunity for hearing.
40:22.0.1.1.5.4SUBPART D
Subpart D - Emission Test Equipment Provisions
40:22.0.1.1.5.4.1.1SECTION 91.301
   91.301 Scope; applicability.
40:22.0.1.1.5.4.1.2SECTION 91.302
   91.302 Definitions.
40:22.0.1.1.5.4.1.3SECTION 91.303
   91.303 Acronyms and abbreviations.
40:22.0.1.1.5.4.1.4SECTION 91.304
   91.304 Test equipment overview.
40:22.0.1.1.5.4.1.5SECTION 91.305
   91.305 Dynamometer specifications and calibration accuracy.
40:22.0.1.1.5.4.1.6SECTION 91.306
   91.306 Dynamometer torque cell calibration.
40:22.0.1.1.5.4.1.7SECTION 91.307
   91.307 Engine cooling system.
40:22.0.1.1.5.4.1.8SECTION 91.308
   91.308 Lubricating oil and test fuel.
40:22.0.1.1.5.4.1.9SECTION 91.309
   91.309 Engine intake air temperature measurement.
40:22.0.1.1.5.4.1.10SECTION 91.310
   91.310 Engine intake air humidity measurement.
40:22.0.1.1.5.4.1.11SECTION 91.311
   91.311 Test conditions.
40:22.0.1.1.5.4.1.12SECTION 91.312
   91.312 Analytical gases.
40:22.0.1.1.5.4.1.13SECTION 91.313
   91.313 Analyzers required.
40:22.0.1.1.5.4.1.14SECTION 91.314
   91.314 Analyzer accuracy and specifications.
40:22.0.1.1.5.4.1.15SECTION 91.315
   91.315 Analyzer initial calibration.
40:22.0.1.1.5.4.1.16SECTION 91.316
   91.316 Hydrocarbon analyzer calibration.
40:22.0.1.1.5.4.1.17SECTION 91.317
   91.317 Carbon monoxide analyzer calibration.
40:22.0.1.1.5.4.1.18SECTION 91.318
   91.318 Oxides of nitrogen analyzer calibration.
40:22.0.1.1.5.4.1.19SECTION 91.319
   91.319 NOX converter check.
40:22.0.1.1.5.4.1.20SECTION 91.320
   91.320 Carbon dioxide analyzer calibration.
40:22.0.1.1.5.4.1.21SECTION 91.321
   91.321 NDIR analyzer calibration.
40:22.0.1.1.5.4.1.22SECTION 91.322
   91.322 Calibration of other equipment.
40:22.0.1.1.5.4.1.23SECTION 91.323
   91.323 Analyzer bench checks.
40:22.0.1.1.5.4.1.24SECTION 91.324
   91.324 Analyzer leakage check.
40:22.0.1.1.5.4.1.25SECTION 91.325
   91.325 Analyzer interference checks.
40:22.0.1.1.5.4.1.26SECTION 91.326
   91.326 Pre- and post-test analyzer calibration.
40:22.0.1.1.5.4.1.27SECTION 91.327
   91.327 Sampling system requirements.
40:22.0.1.1.5.4.1.28SECTION 91.328
   91.328 Measurement equipment accuracy/calibration frequency table.
40:22.0.1.1.5.4.1.29SECTION 91.329
   91.329 Catalyst thermal stress test.
40:22.0.1.1.5.4.1.30.14APPENDIX Appendix A
   Appendix A to Subpart D of Part 91 - Tables
40:22.0.1.1.5.4.1.30.15APPENDIX Appendix B
   Appendix B to Subpart D of Part 91 - Figures
40:22.0.1.1.5.5SUBPART E
Subpart E - Gaseous Exhaust Test Procedures
40:22.0.1.1.5.5.1.1SECTION 91.401
   91.401 Scope; applicability.
40:22.0.1.1.5.5.1.2SECTION 91.402
   91.402 Definitions.
40:22.0.1.1.5.5.1.3SECTION 91.403
   91.403 Symbols and abbreviations.
40:22.0.1.1.5.5.1.4SECTION 91.404
   91.404 Test procedure overview.
40:22.0.1.1.5.5.1.5SECTION 91.405
   91.405 Recorded information.
40:22.0.1.1.5.5.1.6SECTION 91.406
   91.406 Engine parameters to be measured and recorded.
40:22.0.1.1.5.5.1.7SECTION 91.407
   91.407 Engine inlet and exhaust systems.
40:22.0.1.1.5.5.1.8SECTION 91.408
   91.408 Pre-test procedures.
40:22.0.1.1.5.5.1.9SECTION 91.409
   91.409 Engine dynamometer test run.
40:22.0.1.1.5.5.1.10SECTION 91.410
   91.410 Engine test cycle.
40:22.0.1.1.5.5.1.11SECTION 91.411
   91.411 Post-test analyzer procedures.
40:22.0.1.1.5.5.1.12SECTION 91.412
   91.412 Data logging.
40:22.0.1.1.5.5.1.13SECTION 91.413
   91.413 Exhaust sample procedure - gaseous components.
40:22.0.1.1.5.5.1.14SECTION 91.414
   91.414 Raw gaseous exhaust sampling and analytical system description.
40:22.0.1.1.5.5.1.15SECTION 91.415
   91.415 Raw gaseous sampling procedures.
40:22.0.1.1.5.5.1.16SECTION 91.416
   91.416 Intake air flow measurement specifications.
40:22.0.1.1.5.5.1.17SECTION 91.417
   91.417 Fuel flow measurement specifications.
40:22.0.1.1.5.5.1.18SECTION 91.418
   91.418 Data evaluation for gaseous emissions.
40:22.0.1.1.5.5.1.19SECTION 91.419
   91.419 Raw emission sampling calculations.
40:22.0.1.1.5.5.1.20SECTION 91.420
   91.420 CVS concept of exhaust gas sampling system.
40:22.0.1.1.5.5.1.21SECTION 91.421
   91.421 Dilute gaseous exhaust sampling and analytical system description.
40:22.0.1.1.5.5.1.22SECTION 91.423
   91.423 Exhaust gas analytical system; CVS grab sample.
40:22.0.1.1.5.5.1.23SECTION 91.424
   91.424 Dilute sampling procedure - CVS calibration.
40:22.0.1.1.5.5.1.24SECTION 91.425
   91.425 CVS calibration frequency.
40:22.0.1.1.5.5.1.25SECTION 91.426
   91.426 Dilute emission sampling calculations.
40:22.0.1.1.5.5.1.26SECTION 91.427
   91.427 Catalyst thermal stress resistance evaluation.
40:22.0.1.1.5.5.1.27.16APPENDIX Appendix A
   Appendix A to Subpart E of Part 91 - Tables
40:22.0.1.1.5.5.1.27.17APPENDIX Appendix B
   Appendix B to Subpart E of Part 91 - Figures
40:22.0.1.1.5.6SUBPART F
Subpart F - Manufacturer Production Line Testing Program
40:22.0.1.1.5.6.1.1SECTION 91.501
   91.501 Applicability.
40:22.0.1.1.5.6.1.2SECTION 91.502
   91.502 Definitions.
40:22.0.1.1.5.6.1.3SECTION 91.503
   91.503 Production line testing by the manufacturer.
40:22.0.1.1.5.6.1.4SECTION 91.504
   91.504 Maintenance of records; submittal of information.
40:22.0.1.1.5.6.1.5SECTION 91.505
   91.505 Right of entry and access.
40:22.0.1.1.5.6.1.6SECTION 91.506
   91.506 Engine sample selection.
40:22.0.1.1.5.6.1.7SECTION 91.507
   91.507 Test procedures.
40:22.0.1.1.5.6.1.8SECTION 91.508
   91.508 Cumulative Sum (CumSum) procedure.
40:22.0.1.1.5.6.1.9SECTION 91.509
   91.509 Calculation and reporting of test results.
40:22.0.1.1.5.6.1.10SECTION 91.510
   91.510 Compliance with criteria for production line testing.
40:22.0.1.1.5.6.1.11SECTION 91.511
   91.511 Suspension and revocation of certificates of conformity.
40:22.0.1.1.5.6.1.12SECTION 91.512
   91.512 Request for public hearing.
40:22.0.1.1.5.6.1.13SECTION 91.513
   91.513 Administrative procedures for public hearing.
40:22.0.1.1.5.6.1.14SECTION 91.514
   91.514 Hearing procedures.
40:22.0.1.1.5.6.1.15SECTION 91.515
   91.515 Appeal of hearing decision.
40:22.0.1.1.5.6.1.16SECTION 91.516
   91.516 Treatment of confidential information.
40:22.0.1.1.5.7SUBPART G
Subpart G - Selective Enforcement Auditing Regulations
40:22.0.1.1.5.7.1.1SECTION 91.601
   91.601 Applicability.
40:22.0.1.1.5.7.1.2SECTION 91.602
   91.602 Definitions.
40:22.0.1.1.5.7.1.3SECTION 91.603
   91.603 Applicability of part 91, subpart F.
40:22.0.1.1.5.7.1.4SECTION 91.604
   91.604 Test orders.
40:22.0.1.1.5.7.1.5SECTION 91.605
   91.605 Testing by the Administrator.
40:22.0.1.1.5.7.1.6SECTION 91.606
   91.606 Sample selection.
40:22.0.1.1.5.7.1.7SECTION 91.607
   91.607 Test procedures.
40:22.0.1.1.5.7.1.8SECTION 91.608
   91.608 Compliance with acceptable quality level and passing and failing criteria for selective enforcement audits.
40:22.0.1.1.5.7.1.9.18APPENDIX Appendix A
   Appendix A to Subpart G of Part 91 - Sampling Plans for Selective Enforcement Auditing of Marine Engines
40:22.0.1.1.5.8SUBPART H
Subpart H - Importation of Nonconforming Marine Engines
40:22.0.1.1.5.8.1.1SECTION 91.701
   91.701 Applicability.
40:22.0.1.1.5.8.1.2SECTION 91.702
   91.702 Definitions.
40:22.0.1.1.5.8.1.3SECTION 91.703
   91.703 Admission.
40:22.0.1.1.5.8.1.4SECTION 91.704
   91.704 Exemptions and exclusions.
40:22.0.1.1.5.8.1.5SECTION 91.705
   91.705 Prohibited acts; penalties.
40:22.0.1.1.5.8.1.6SECTION 91.706
   91.706 Treatment of confidential information.
40:22.0.1.1.5.9SUBPART I
Subpart I - In-Use Testing and Recall Regulations
40:22.0.1.1.5.9.1.1SECTION 91.801
   91.801 Applicability.
40:22.0.1.1.5.9.1.2SECTION 91.802
   91.802 Definitions.
40:22.0.1.1.5.9.1.3SECTION 91.803
   91.803 Manufacturer in-use testing program.
40:22.0.1.1.5.9.1.4SECTION 91.804
   91.804 Maintenance, procurement and testing of in-use engines.
40:22.0.1.1.5.9.1.5SECTION 91.805
   91.805 In-use test program reporting requirements.
40:22.0.1.1.5.9.1.6SECTION 91.806
   91.806 Voluntary emissions recall.
40:22.0.1.1.5.10SUBPART J
Subpart J - Emission-related Defect Reporting Requirements, Voluntary Emission Recall Program
40:22.0.1.1.5.10.1.1SECTION 91.901
   91.901 Applicability.
40:22.0.1.1.5.10.1.2SECTION 91.902
   91.902 Definitions.
40:22.0.1.1.5.10.1.3SECTION 91.903
   91.903 Applicability to part 85, subpart T.
40:22.0.1.1.5.10.1.4SECTION 91.904
   91.904 Voluntary emission recall.
40:22.0.1.1.5.10.1.5SECTION 91.905
   91.905 Reports, voluntary recall plan filing, record retention.
40:22.0.1.1.5.10.1.6SECTION 91.906
   91.906 Responsibility under other legal provisions preserved.
40:22.0.1.1.5.10.1.7SECTION 91.907
   91.907 Disclaimer of production warranty applicability.
40:22.0.1.1.5.11SUBPART K
Subpart K - Exclusion and Exemption of Marine SI Engines
40:22.0.1.1.5.11.1.1SECTION 91.1001
   91.1001 Applicability.
40:22.0.1.1.5.11.1.2SECTION 91.1002
   91.1002 Definitions.
40:22.0.1.1.5.11.1.3SECTION 91.1003
   91.1003 Exclusions based on section 216(10) of the Act.
40:22.0.1.1.5.11.1.4SECTION 91.1004
   91.1004 Who may request an exemption.
40:22.0.1.1.5.11.1.5SECTION 91.1005
   91.1005 Testing exemption.
40:22.0.1.1.5.11.1.6SECTION 91.1006
   91.1006 Manufacturer-owned exemption and precertification exemption.
40:22.0.1.1.5.11.1.7SECTION 91.1007
   91.1007 Display exemption.
40:22.0.1.1.5.11.1.8SECTION 91.1008
   91.1008 National security exemption.
40:22.0.1.1.5.11.1.9SECTION 91.1009
   91.1009 Export exemptions.
40:22.0.1.1.5.11.1.10SECTION 91.1010
   91.1010 Granting of exemptions.
40:22.0.1.1.5.11.1.11SECTION 91.1011
   91.1011 Submission of exemption requests.
40:22.0.1.1.5.11.1.12SECTION 91.1012
   91.1012 Treatment of confidential information.
40:22.0.1.1.5.11.1.13SECTION 91.1013
   91.1013 Exemption for certified Small SI engines.
40:22.0.1.1.5.12SUBPART L
Subpart L - Prohibited Acts and General Enforcement Provisions
40:22.0.1.1.5.12.1.1SECTION 91.1101
   91.1101 Applicability.
40:22.0.1.1.5.12.1.2SECTION 91.1102
   91.1102 Definitions.
40:22.0.1.1.5.12.1.3SECTION 91.1103
   91.1103 Prohibited acts.
40:22.0.1.1.5.12.1.4SECTION 91.1104
   91.1104 General enforcement provisions.
40:22.0.1.1.5.12.1.5SECTION 91.1105
   91.1105 Injunction proceedings for prohibited acts.
40:22.0.1.1.5.12.1.6SECTION 91.1106
   91.1106 Penalties.
40:22.0.1.1.5.12.1.7SECTION 91.1107
   91.1107 Warranty provisions.
40:22.0.1.1.5.12.1.8SECTION 91.1108
   91.1108 In-use compliance provisions.
40:22.0.1.1.5.13SUBPART M
Subpart M - Emission Warranty and Maintenance Instructions
40:22.0.1.1.5.13.1.1SECTION 91.1201
   91.1201 Applicability.
40:22.0.1.1.5.13.1.2SECTION 91.1202
   91.1202 Definitions.
40:22.0.1.1.5.13.1.3SECTION 91.1203
   91.1203 Emission warranty, warranty period.
40:22.0.1.1.5.13.1.4SECTION 91.1204
   91.1204 Furnishing of maintenance and use instructions to ultimate purchaser.
40:22.0.1.1.5.14SUBPART N
Subpart N - In-Use Credit Program for New Marine Engines
40:22.0.1.1.5.14.1.1SECTION 91.1301
   91.1301 Applicability.
40:22.0.1.1.5.14.1.2SECTION 91.1302
   91.1302 Definitions.
40:22.0.1.1.5.14.1.3SECTION 91.1303
   91.1303 General provisions.
40:22.0.1.1.5.14.1.4SECTION 91.1304
   91.1304 Averaging.
40:22.0.1.1.5.14.1.5SECTION 91.1305
   91.1305 Banking.
40:22.0.1.1.5.14.1.6SECTION 91.1306
   91.1306 Trading.
40:22.0.1.1.5.14.1.7SECTION 91.1307
   91.1307 Credit calculation.
40:22.0.1.1.5.14.1.8SECTION 91.1308
   91.1308 Maintenance of records.
40:22.0.1.1.5.14.1.9SECTION 91.1309
   91.1309 Reporting requirements.
40:22.0.1.1.5.14.1.10SECTION 91.1310
   91.1310 Notice of opportunity for hearing.