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Testing and Measuring Emissions

Test Procedures and Chemistry Methods

Please Note: The Code of Federal Regulations is the official source of vehicle/engine certification test procedures.

Test Procedures Chemistry Methods
Control of Emissions from New and In-use Highway Vehicles and Engines 40 CFR Part 86 Measurement of reformulated gasoline fuel parameters. 40 CFR Part 80 Subpart D §80.46
Test Procedures 40 CFR Part 87 Subpart G Measurement methods for benzene and 1,3-butadiene. 40 CFR Part 80 Subpart D §80.55
Test Procedures 40 CFR Part 1039 Subpart F Measurement methods for formaldehyde and acetaldehyde. 40 CFR Part 80 Subpart D §80.56
Test Procedures 40 CFR Part 1033 Subpart F What are the sampling and testing methods for sulfur? 40 CFR Part 80 Subpart D §80.580
Test Procedures 40 CFR Part 1033 Subpart E What are the batch testing and sample retention requirements for motor vehicle diesel fuel, NRLM diesel fuel, and ECA marine fuel? 40 CFR Part 80 Subpart D §80.581
Test Procedures 40 CFR Part 89 Subpart E What are the sampling and testing methods for the fuel marker? 40 CFR Part 80 Subpart D §80.582
Test Procedures 40 CFR Part 94 Subpart B What alternative sampling and testing requirements apply to importers who transport motor vehicle diesel fuel, NRLM diesel fuel, or ECA marine fuel by truck or rail car? 40 CFR Part 80 Subpart D §80.583
Test Procedures 40 CFR Part 1042 Subpart F What are the precision and accuracy criteria for approval of test methods for determining the sulfur content of motor vehicle diesel fuel, NRLM diesel fuel, and ECA marine fuel? 40 CFR Part 80 Subpart D §80.584
Test Procedures 40 CFR Part 1045 Subpart F What is the process for approval of a test method for determining the sulfur content of diesel or ECA marine fuel? 40 CFR Part 80 Subpart D §80.585
Engine-Testing Procedures 40 CFR Part 1065 What are the record retention requirements for test methods approved under this subpart? 40 CFR Part 80 Subpart D §80.586
Vehicle-Testing Procedures 40 CFR Part 1066    
Gaseous Exhaust Test Procedures 40 CFR Part 90 Subpart E    
Test Procedures 40 CFR Part 1051 Subpart F    
Test Procedures 40 CFR Part 1060 Subpart F    

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