|
Section 91.1
|
Applicable date |
|
Section 91.2
|
Definitions |
|
Section 91.3
|
Acronyms and abbreviations |
|
Section 91.4
|
Table and figure numbering; position |
|
Section 91.5
|
Reference materials |
|
Section 91.6
|
Treatment of confidential information |
|
Section 91.7
|
Applicability |
|
Section 91.101
|
Definitions |
|
Section 91.102
|
Averaging, banking, and trading of exhaust emission credits |
|
Section 91.103
|
Exhaust emission standards for outboard and personal watercraft engines |
|
Section 91.104
|
Useful life period, recall, and warranty periods |
|
Section 91.105
|
Certificate of conformity |
|
Section 91.106
|
Application for certification |
|
Section 91.107
|
Certification |
|
Section 91.108
|
Requirement of certification--closed crankcase |
|
Section 91.109
|
Requirement of certification--prohibited controls |
|
Section 91.110
|
Requirement of certification--prohibition of defeat devices |
|
Section 91.111
|
Requirement of certification--adjustable parameters |
|
Section 91.112
|
Requirement of certification--emission control information label and engine identification number |
|
Section 91.113
|
Requirement of certification--supplying production engines upon request |
|
Section 91.114
|
Certification procedure--determining engine power and engine families |
|
Section 91.115
|
Certification procedure--test engine selection |
|
Section 91.116
|
Certification procedure--service accumulation |
|
Section 91.117
|
Certification procedure--testing |
|
Section 91.118
|
Certification procedure--use of special test procedures |
|
Section 91.119
|
Compliance with Family Emission Limits over useful life |
|
Section 91.120
|
Certification procedure--recordkeeping |
|
Section 91.121
|
Amending the application and certificate of conformity |
|
Section 91.122
|
Denial, revocation of certificate of conformity |
|
Section 91.123
|
Request for hearing |
|
Section 91.124
|
Hearing procedures |
|
Section 91.125
|
Right of entry and access |
|
Section 91.126
|
Applicability |
|
Section 91.201
|
Definitions |
|
Section 91.202
|
General provisions |
|
Section 91.203
|
Averaging |
|
Section 91.204
|
Banking |
|
Section 91.205
|
Trading |
|
Section 91.206
|
Credit calculation and manufacturer compliance with emission standards |
|
Section 91.207
|
Certification |
|
Section 91.208
|
Maintenance of records |
|
Section 91.209
|
End-of-year and final reports |
|
Section 91.210
|
Notice of opportunity for hearing |
|
Section 91.211
|
Scope; applicability |
|
Section 91.301
|
Definitions |
|
Section 91.302
|
Acronyms and abbreviations |
|
Section 91.303
|
Test equipment overview |
|
Section 91.304
|
Dynamometer specifications and calibration accuracy |
|
Section 91.305
|
Dynamometer torque cell calibration |
|
Section 91.306
|
Engine cooling system |
|
Section 91.307
|
Lubricating oil and test fuel |
|
Section 91.308
|
Engine intake air temperature measurement |
|
Section 91.309
|
Engine intake air humidity measurement |
|
Section 91.310
|
Test conditions |
|
Section 91.311
|
Analytical gases |
|
Section 91.312
|
Analyzers required |
|
Section 91.313
|
Analyzer accuracy and specifications |
|
Section 91.314
|
Analyzer initial calibration |
|
Section 91.315
|
Hydrocarbon analyzer calibration |
|
Section 91.316
|
Carbon monoxide analyzer calibration |
|
Section 91.317
|
Oxides of nitrogen analyzer calibration |
|
Section 91.318
|
NOX converter check |
|
Section 91.319
|
Carbon dioxide analyzer calibration |
|
Section 91.320
|
NDIR analyzer calibration |
|
Section 91.321
|
Calibration of other equipment |
|
Section 91.322
|
Analyzer bench checks |
|
Section 91.323
|
Analyzer leakage check |
|
Section 91.324
|
Analyzer interference checks |
|
Section 91.325
|
Pre- and post-test analyzer calibration |
|
Section 91.326
|
Sampling system requirements |
|
Section 91.327
|
Measurement equipment accuracy/calibration frequency table |
|
Section 91.328
|
Catalyst thermal stress test |
|
Section 91.329
|
Scope; applicability |
|
Section 91.401
|
Definitions |
|
Section 91.402
|
Symbols and abbreviations |
|
Section 91.403
|
Test procedure overview |
|
Section 91.404
|
Recorded information |
|
Section 91.405
|
Engine parameters to be measured and recorded |
|
Section 91.406
|
Engine inlet and exhaust systems |
|
Section 91.407
|
Pre-test procedures |
|
Section 91.408
|
Engine dynamometer test run |
|
Section 91.409
|
Engine test cycle |
|
Section 91.410
|
Post-test analyzer procedures |
|
Section 91.411
|
Data logging |
|
Section 91.412
|
Exhaust sample procedure--gaseous components |
|
Section 91.413
|
Raw gaseous exhaust sampling and analytical system description |
|
Section 91.414
|
Raw gaseous sampling procedures |
|
Section 91.415
|
Intake air flow measurement specifications |
|
Section 91.416
|
Fuel flow measurement specifications |
|
Section 91.417
|
Data evaluation for gaseous emissions |
|
Section 91.418
|
Raw emission sampling calculations |
|
Section 91.419
|
CVS concept of exhaust gas sampling system |
|
Section 91.420
|
Dilute gaseous exhaust sampling and analytical system description |
|
Section 91.421
|
Exhaust gas analytical system; CVS grab sample |
|
Section 91.423
|
Dilute sampling procedure--CVS calibration |
|
Section 91.424
|
CVS calibration frequency |
|
Section 91.425
|
Dilute emission sampling calculations |
|
Section 91.426
|
Catalyst thermal stress resistance evaluation |
|
Section 91.427
|
Applicability |
|
Section 91.501
|
Definitions |
|
Section 91.502
|
Production line testing by the manufacturer |
|
Section 91.503
|
Maintenance of records; submittal of information |
|
Section 91.504
|
Right of entry and access |
|
Section 91.505
|
Engine sample selection |
|
Section 91.506
|
Test procedures |
|
Section 91.507
|
Cumulative Sum (CumSum) procedure |
|
Section 91.508
|
Calculation and reporting of test results |
|
Section 91.509
|
Compliance with criteria for production line testing |
|
Section 91.510
|
Suspension and revocation of certificates of conformity |
|
Section 91.511
|
Request for public hearing |
|
Section 91.512
|
Administrative procedures for public hearing |
|
Section 91.513
|
Hearing procedures |
|
Section 91.514
|
Appeal of hearing decision |
|
Section 91.515
|
Treatment of confidential information |
|
Section 91.516
|
Applicability |
|
Section 91.601
|
Definitions |
|
Section 91.602
|
Applicability of part 91, subpart F |
|
Section 91.603
|
Test orders |
|
Section 91.604
|
Testing by the Administrator |
|
Section 91.605
|
Sample selection |
|
Section 91.606
|
Test procedures |
|
Section 91.607
|
Compliance with acceptable quality level and passing and failing criteria for selective enforcement audits |
|
Section 91.608
|
Applicability |
|
Section 91.701
|
Definitions |
|
Section 91.702
|
Admission |
|
Section 91.703
|
Exemptions and exclusions |
|
Section 91.704
|
Prohibited acts; penalties |
|
Section 91.705
|
Treatment of confidential information |
|
Section 91.706
|
Applicability |
|
Section 91.801
|
Definitions |
|
Section 91.802
|
Manufacturer in-use testing program |
|
Section 91.803
|
Maintenance, procurement and testing of in-use engines |
|
Section 91.804
|
In-use test program reporting requirements |
|
Section 91.805
|
Voluntary emissions recall |
|
Section 91.806
|
Applicability |
|
Section 91.901
|
Definitions |
|
Section 91.902
|
Applicability to part 85, subpart T |
|
Section 91.903
|
Voluntary emission recall |
|
Section 91.904
|
Reports, voluntary recall plan filing, record retention |
|
Section 91.905
|
Responsibility under other legal provisions preserved |
|
Section 91.906
|
Disclaimer of production warranty applicability |
|
Section 91.907
|
Applicability |
|
Section 91.1001
|
Definitions |
|
Section 91.1002
|
Exclusions based on section 216(10) of the Act |
|
Section 91.1003
|
Who may request an exemption |
|
Section 91.1004
|
Testing exemption |
|
Section 91.1005
|
Manufacturer-owned exemption and precertification exemption |
|
Section 91.1006
|
Display exemption |
|
Section 91.1007
|
National security exemption |
|
Section 91.1008
|
Export exemptions |
|
Section 91.1009
|
Granting of exemptions |
|
Section 91.1010
|
Submission of exemption requests |
|
Section 91.1011
|
Treatment of confidential information |
|
Section 91.1012
|
Exemption for certified Small SI engines |
|
Section 91.1013
|
Applicability |
|
Section 91.1101
|
Definitions |
|
Section 91.1102
|
Prohibited acts |
|
Section 91.1103
|
General enforcement provisions |
|
Section 91.1104
|
Injunction proceedings for prohibited acts |
|
Section 91.1105
|
Penalties |
|
Section 91.1106
|
Warranty provisions |
|
Section 91.1107
|
In-use compliance provisions |
|
Section 91.1108
|
Applicability |
|
Section 91.1201
|
Definitions |
|
Section 91.1202
|
Emission warranty, warranty period |
|
Section 91.1203
|
Furnishing of maintenance and use instructions to ultimate purchaser |
|
Section 91.1204
|
Applicability |
|
Section 91.1301
|
Definitions |
|
Section 91.1302
|
General provisions |
|
Section 91.1303
|
Averaging |
|
Section 91.1304
|
Banking |
|
Section 91.1305
|
Trading |
|
Section 91.1306
|
Credit calculation |
|
Section 91.1307
|
Maintenance of records |
|
Section 91.1308
|
Reporting requirements |
|
Section 91.1309
|
Notice of opportunity for hearing |
|
Section 91.1310
|
Applicability |