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§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.
§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.
§90.201 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.
§90.212 Optional transition year averaging, banking,
and trading program for Phase 2 handheld engines.
§90.213 Averaging under the optional program.
§90.214 Banking under the optional program.
§90.215 Trading under the optional program.
§90.216 Credit calculation and manufacturer compliance
with emission standards under the optional program.
§90.217 Certification under the optional program.
§90.218 Maintenance of records under the optional
program.
§90.219 End-of-year and final reports under the
optional program.
§90.220 Request for hearing.
§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 NO
§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 A to Subpart D of Part 90 -- Tables
Appendix B to Subpart D of Part 90 -- Figures
§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 A to Subpart E of Part 90 -- Tables
Appendix B to Subpart E of Part 90 -- Figures
§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 A to Subpart F of Part 90 -- Sampling Plans for Selective
Enforcement Auditing of Small Nonroad 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.
§90.701 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.
§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.
§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.
§90.1001 Applicability.
§90.1002 Definitions.
§90.1003 Prohibited acts.
§90.1004 General enforcement provisions.
§90.1005 Injunction proceedings for prohibited acts.
§90.1006 Penalties.
§90.1101 Applicability.
§90.1102 Definitions.
§90.1103 Emission warranty, warranty period.
§90.1104 Furnishing of maintenance instructions to
ultimate purchaser.
§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]
