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Electronic Code of Federal Regulations

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e-CFR Data is current as of August 28, 2014

Title 40Chapter ISubchapter CPart 91


TITLE 40—Protection of Environment

CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

SUBCHAPTER C—AIR PROGRAMS (CONTINUED)

PART 91—CONTROL OF EMISSIONS FROM MARINE SPARK-IGNITION ENGINES

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Subpart A—GENERAL

§91.1
Applicability.
§91.2
Applicable date.
§91.3
Definitions.
§91.4
Acronyms and abbreviations.
§91.5
Table and figure numbering; position.
§91.6
Reference materials.
§91.7
Treatment of confidential information.
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Subpart B—EMISSION STANDARDS AND CERTIFICATION PROVISIONS

§91.101
Applicability.
§91.102
Definitions.
§91.103
Averaging, banking, and trading of exhaust emission credits.
§91.104
Exhaust emission standards for outboard and personal watercraft engines.
§91.105
Useful life period, recall, and warranty periods.
§91.106
Certificate of conformity.
§91.107
Application for certification.
§91.108
Certification.
§91.109
Requirement of certification—closed crankcase.
§91.110
Requirement of certification—prohibited controls.
§91.111
Requirement of certification—prohibition of defeat devices.
§91.112
Requirement of certification—adjustable parameters.
§91.113
Requirement of certification—emission control information label and engine identification number.
§91.114
Requirement of certification—supplying production engines upon request.
§91.115
Certification procedure—determining engine power and engine families.
§91.116
Certification procedure—test engine selection.
§91.117
Certification procedure—service accumulation.
§91.118
Certification procedure—testing.
§91.119
Certification procedure—use of special test procedures.
§91.120
Compliance with Family Emission Limits over useful life.
§91.121
Certification procedure—recordkeeping.
§91.122
Amending the application and certificate of conformity.
§91.123
Denial, revocation of certificate of conformity.
§91.124
Request for hearing.
§91.125
Hearing procedures.
§91.126
Right of entry and access.
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Subpart C—AVERAGING, BANKING, AND TRADING PROVISIONS

§91.201
Applicability.
§91.202
Definitions.
§91.203
General provisions.
§91.204
Averaging.
§91.205
Banking.
§91.206
Trading.
§91.207
Credit calculation and manufacturer compliance with emission standards.
§91.208
Certification.
§91.209
Maintenance of records.
§91.210
End-of-year and final reports.
§91.211
Notice of opportunity for hearing.
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Subpart D—EMISSION TEST EQUIPMENT PROVISIONS

§91.301
Scope; applicability.
§91.302
Definitions.
§91.303
Acronyms and abbreviations.
§91.304
Test equipment overview.
§91.305
Dynamometer specifications and calibration accuracy.
§91.306
Dynamometer torque cell calibration.
§91.307
Engine cooling system.
§91.308
Lubricating oil and test fuel.
§91.309
Engine intake air temperature measurement.
§91.310
Engine intake air humidity measurement.
§91.311
Test conditions.
§91.312
Analytical gases.
§91.313
Analyzers required.
§91.314
Analyzer accuracy and specifications.
§91.315
Analyzer initial calibration.
§91.316
Hydrocarbon analyzer calibration.
§91.317
Carbon monoxide analyzer calibration.
§91.318
Oxides of nitrogen analyzer calibration.
§91.319
NOX converter check.
§91.320
Carbon dioxide analyzer calibration.
§91.321
NDIR analyzer calibration.
§91.322
Calibration of other equipment.
§91.323
Analyzer bench checks.
§91.324
Analyzer leakage check.
§91.325
Analyzer interference checks.
§91.326
Pre- and post-test analyzer calibration.
§91.327
Sampling system requirements.
§91.328
Measurement equipment accuracy/calibration frequency table.
§91.329
Catalyst thermal stress test.
Appendix
Appendix A to Subpart D of Part 91—Tables
Appendix
Appendix B to Subpart D of Part 91—Figures
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Subpart E—GASEOUS EXHAUST TEST PROCEDURES

§91.401
Scope; applicability.
§91.402
Definitions.
§91.403
Symbols and abbreviations.
§91.404
Test procedure overview.
§91.405
Recorded information.
§91.406
Engine parameters to be measured and recorded.
§91.407
Engine inlet and exhaust systems.
§91.408
Pre-test procedures.
§91.409
Engine dynamometer test run.
§91.410
Engine test cycle.
§91.411
Post-test analyzer procedures.
§91.412
Data logging.
§91.413
Exhaust sample procedure—gaseous components.
§91.414
Raw gaseous exhaust sampling and analytical system description.
§91.415
Raw gaseous sampling procedures.
§91.416
Intake air flow measurement specifications.
§91.417
Fuel flow measurement specifications.
§91.418
Data evaluation for gaseous emissions.
§91.419
Raw emission sampling calculations.
§91.420
CVS concept of exhaust gas sampling system.
§91.421
Dilute gaseous exhaust sampling and analytical system description.
§91.423
Exhaust gas analytical system; CVS grab sample.
§91.424
Dilute sampling procedure—CVS calibration.
§91.425
CVS calibration frequency.
§91.426
Dilute emission sampling calculations.
§91.427
Catalyst thermal stress resistance evaluation.
Appendix
Appendix A to Subpart E of Part 91—Tables
Appendix
Appendix B to Subpart E of Part 91—Figures
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Subpart F—MANUFACTURER PRODUCTION LINE TESTING PROGRAM

§91.501
Applicability.
§91.502
Definitions.
§91.503
Production line testing by the manufacturer.
§91.504
Maintenance of records; submittal of information.
§91.505
Right of entry and access.
§91.506
Engine sample selection.
§91.507
Test procedures.
§91.508
Cumulative Sum (CumSum) procedure.
§91.509
Calculation and reporting of test results.
§91.510
Compliance with criteria for production line testing.
§91.511
Suspension and revocation of certificates of conformity.
§91.512
Request for public hearing.
§91.513
Administrative procedures for public hearing.
§91.514
Hearing procedures.
§91.515
Appeal of hearing decision.
§91.516
Treatment of confidential information.
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Subpart G—SELECTIVE ENFORCEMENT AUDITING REGULATIONS

§91.601
Applicability.
§91.602
Definitions.
§91.603
Applicability of part 91, subpart F.
§91.604
Test orders.
§91.605
Testing by the Administrator.
§91.606
Sample selection.
§91.607
Test procedures.
§91.608
Compliance with acceptable quality level and passing and failing criteria for selective enforcement audits.
Appendix
Appendix A to Subpart G of Part 91—Sampling Plans for Selective Enforcement Auditing of Marine Engines
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Subpart H—IMPORTATION OF NONCONFORMING MARINE ENGINES

§91.701
Applicability.
§91.702
Definitions.
§91.703
Admission.
§91.704
Exemptions and exclusions.
§91.705
Prohibited acts; penalties.
§91.706
Treatment of confidential information.
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Subpart I—IN-USE TESTING AND RECALL REGULATIONS

§91.801
Applicability.
§91.802
Definitions.
§91.803
Manufacturer in-use testing program.
§91.804
Maintenance, procurement and testing of in-use engines.
§91.805
In-use test program reporting requirements.
§91.806
Voluntary emissions recall.
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Subpart J—EMISSION-RELATED DEFECT REPORTING REQUIREMENTS, VOLUNTARY EMISSION RECALL PROGRAM

§91.901
Applicability.
§91.902
Definitions.
§91.903
Applicability to part 85, subpart T.
§91.904
Voluntary emission recall.
§91.905
Reports, voluntary recall plan filing, record retention.
§91.906
Responsibility under other legal provisions preserved.
§91.907
Disclaimer of production warranty applicability.
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Subpart K—EXCLUSION AND EXEMPTION OF MARINE SI ENGINES

§91.1001
Applicability.
§91.1002
Definitions.
§91.1003
Exclusions based on section 216(10) of the Act.
§91.1004
Who may request an exemption.
§91.1005
Testing exemption.
§91.1006
Manufacturer-owned exemption and precertification exemption.
§91.1007
Display exemption.
§91.1008
National security exemption.
§91.1009
Export exemptions.
§91.1010
Granting of exemptions.
§91.1011
Submission of exemption requests.
§91.1012
Treatment of confidential information.
§91.1013
Exemption for certified Small SI engines.
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Subpart L—PROHIBITED ACTS AND GENERAL ENFORCEMENT PROVISIONS

§91.1101
Applicability.
§91.1102
Definitions.
§91.1103
Prohibited acts.
§91.1104
General enforcement provisions.
§91.1105
Injunction proceedings for prohibited acts.
§91.1106
Penalties.
§91.1107
Warranty provisions.
§91.1108
In-use compliance provisions.
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Subpart M—EMISSION WARRANTY AND MAINTENANCE INSTRUCTIONS

§91.1201
Applicability.
§91.1202
Definitions.
§91.1203
Emission warranty, warranty period.
§91.1204
Furnishing of maintenance and use instructions to ultimate purchaser.
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Subpart N—IN-USE CREDIT PROGRAM FOR NEW MARINE ENGINES

§91.1301
Applicability.
§91.1302
Definitions.
§91.1303
General provisions.
§91.1304
Averaging.
§91.1305
Banking.
§91.1306
Trading.
§91.1307
Credit calculation.
§91.1308
Maintenance of records.
§91.1309
Reporting requirements.
§91.1310
Notice of opportunity for hearing.


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