40 CFR Subpart E
Gaseous Exhaust Test Procedures
June 9, 2020
§
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
§
91.401
Scope; applicability
§
91.402
Definitions
§
91.403
Symbols and abbreviations
§
91.404
Test procedure overview
§
91.405
Recorded information
§
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
A to Subpart E of Part 91
Tables
Appendix
B to Subpart E of Part 91
Figures
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