1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 91 - CONTROL OF EMISSIONS FROM MARINE SPARK-IGNITION ENGINES
  6. Subpart E - Gaseous Exhaust Test Procedures
  7. 40 CFR § 91.418
40 CFR § 91.418
Data evaluation for gaseous emissions
June 9, 2020
CFR

For the evaluation of the gaseous emissions recording, record the last two minutes of each mode and determine the average values for HC, CO, CO2, and NOX during each mode from the average concentration readings determined from the corresponding calibration data.

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§ 91.417 Fuel flow measurement specifications
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§ 91.419 Raw emission sampling calculations

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