CFR
- Title 1 - General Provisions
- Title 2 - Grants and Agreements
- Title 3 - The President
- Title 4 - Accounts
- Title 5 - Administrative Personnel
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- Title 45 - Public Welfare
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- Title 47 - Telecommunication
- Title 48 - Federal Acquisition Regulations System
- Title 49 - Transportation
- Title 50 - Wildlife and Fisheries
SUBPART D—Emission Test Equipment Provisions (§91.301 to §91.329)
- 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—NO X 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.
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