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Test Procedures
Law
CFR 40
Protection of Environment
Environmental Protection Agency
Air Pollution Controls
Control of Emissions from New, Large Nonroad Spark-Ignition Engines
Test Procedures
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Section
1048.501
How do I run a valid emission test?
Section
1048.505
How do I test engines using steady-state duty cycles, including ramped-modal testing?
Section
1048.510
What transient duty cycles apply for laboratory testing?
Section
1048.515
What are the field-testing procedures?