Code of Federal Regulations (Last Updated: July 5, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 91 - Control of Emissions from Marine Spark-Ignition Engines |
Subpart E - Gaseous Exhaust Test Procedures |
§ 91.415 - Raw gaseous sampling procedures.
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§ 91.415 Raw gaseous sampling procedures.
Fit all heated sampling lines with a heated filter to extract solid particles from the flow of gas required for analysis. The sample line for HC measurement must be heated. The sample line for CO, CO2, and NOX may be heated or unheated.