e-CFR data is current as of March 4, 2021
TITLE 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SUBCHAPTER U—AIR POLLUTION CONTROLS PART 1065—ENGINE-TESTING PROCEDURES
Subpart A—APPLICABILITY AND GENERAL PROVISIONS
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Submitting information to EPA under this part. |
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Overview of this part 1065 and its relationship to the standard-setting part. |
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Approval of alternate procedures. |
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Overview of procedures for laboratory and field testing. |
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Units of measure and overview of calculations. |
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Subpart B—EQUIPMENT SPECIFICATIONS
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Work inputs and outputs, accessory work, and operator demand. |
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Fuel properties and fuel temperature and pressure. |
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Engine cooling and lubrication. |
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Exhaust gas recirculation. |
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Dilution for gaseous and PM constituents. |
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Gaseous and PM probes, transfer lines, and sampling system components. |
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Batch sampling for gaseous and PM constituents. |
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PM-stabilization and weighing environments for gravimetric analysis. |
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PM-stabilization environment for in-situ analyzers. |
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Subpart C—MEASUREMENT INSTRUMENTS
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Overview and general provisions. |
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Data updating, recording, and control. |
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Performance specifications for measurement instruments. |
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Measurement of Engine Parameters and Ambient Conditions
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Work input and output sensors. |
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Pressure transducers, temperature sensors, and dewpoint sensors. |
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Flow-Related Measurements
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Dilution air and diluted exhaust flow meters. |
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Sample flow meter for batch sampling. |
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Diesel exhaust fluid flow rate. |
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CO and CO2 Measurements
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Nondispersive infrared analyzer. |
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Hydrocarbon Measurements
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Flame-ionization detector. |
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Fourier transform infrared analyzer. |
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Gas chromatograph with a flame ionization detector. |
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Photoacoustic analyzer for ethanol and methanol. |
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NOX and N2O Measurements
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Chemiluminescent detector. |
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Nondispersive ultraviolet analyzer. |
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O2 Measurements
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Paramagnetic and magnetopneumatic O2 detection analyzers. |
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Air-to-Fuel Ratio Measurements
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Zirconia (ZrO2) analyzer. |
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PM Measurements
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PM inertial balance for field-testing analysis. |
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Subpart D—CALIBRATIONS AND VERIFICATIONS
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Overview and general provisions. |
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Summary of required calibration and verifications. |
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Verifications for accuracy, repeatability, and noise. |
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Continuous gas analyzer system-response and updating-recording verification—for gas analyzers not continuously compensated for other gas species. |
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Continuous gas analyzer system-response and updating-recording verification—for gas analyzers continuously compensated for other gas species. |
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Measurement of Engine Parameters and Ambient Conditions
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Pressure, temperature, and dewpoint calibration. |
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Flow-Related Measurements
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Exhaust-flow calibration. |
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Diluted exhaust flow (CVS) calibration. |
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CVS, PFD, and batch sampler verification (propane check). |
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Sample dryer verification. |
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Vacuum-side leak verification. |
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CO and CO2 Measurements
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H2O interference verification for CO2 NDIR analyzers. |
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H2O and CO2 interference verification for CO NDIR analyzers. |
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Hydrocarbon Measurements
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FID optimization and verification. |
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Non-stoichiometric raw exhaust FID O2 interference verification. |
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Nonmethane cutter penetration fractions. |
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Interference verification for FTIR analyzers. |
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H2O, CO, and CO2 interference verification for photoacoustic alcohol analyzers. |
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NOX and N2O Measurements
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CLD CO2 and H2O quench verification. |
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NDUV analyzer HC and H2O interference verification. |
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Interference verification for N2O analyzers. |
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NO2-to-NO converter conversion verification. |
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PM Measurements
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PM balance verifications and weighing process verification. |
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Inertial PM balance verifications. |
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Subpart E—ENGINE SELECTION, PREPARATION, AND MAINTENANCE
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Test engine preparation and maintenance. |
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Maintenance limits for stabilized test engines. |
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Durability demonstration. |
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Subpart F—PERFORMING AN EMISSION TEST OVER SPECIFIED DUTY CYCLES
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Cycle-validation criteria for operation over specified duty cycles. |
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Sample system decontamination and preconditioning. |
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Pre-test verification procedures and pre-test data collection. |
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Engine starting, restarting, and shutdown. |
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Repeating of void modes or test intervals. |
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Verification of proportional flow control for batch sampling. |
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Verification of minimum dilution ratio for PM batch sampling. |
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Gas analyzer range verification and drift verification. |
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PM sampling media (e.g., filters) preconditioning and tare weighing. |
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PM sample post-conditioning and total weighing. |
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Subpart G—CALCULATIONS AND DATA REQUIREMENTS
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Local acceleration of gravity. |
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Flow meter calibration calculations. |
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PDP, SSV, and CFV molar flow rate calculations. |
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Amount of water in an ideal gas. |
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Chemical balances of fuel, intake air, and exhaust. |
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Removed water correction. |
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THC, NMHC, NMNEHC, CH4, and C2H6 determination. |
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THCE and NMHCE determination. |
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Dilution air background emission correction. |
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NOX intake-air humidity and temperature corrections. |
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CLD quench verification calculations. |
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Adjusting emission levels to account for infrequently regenerating aftertreatment devices. |
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Buoyancy correction for PM sample media. |
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Subpart H—ENGINE FLUIDS, TEST FUELS, ANALYTICAL GASES AND OTHER CALIBRATION STANDARDS
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General requirements for test fuels. |
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Residual and intermediate residual fuel. |
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High-level ethanol-gasoline blends. |
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Subpart I—TESTING WITH OXYGENATED FUELS
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Response factor determination. |
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Subpart J—FIELD TESTING AND PORTABLE EMISSION MEASUREMENT SYSTEMS
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PEMS auxiliary equipment for field testing. |
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PEMS calibrations and verifications. |
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PEMS preparation for field testing. |
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Engine starting, restarting, and shutdown. |
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Emission test sequence for field testing. |
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Subpart K—DEFINITIONS AND OTHER REFERENCE INFORMATION
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Symbols, abbreviations, acronyms, and units of measure. |
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Incorporation by reference. |
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Subpart L—METHODS FOR UNREGULATED AND SPECIAL POLLUTANTS
Semi-Volatile Organic Compounds
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General provisions for SVOC measurement. |
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Sample media and sample system preparation; sample system assembly. |
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Post-test sampler disassembly and sample extraction. |
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