CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 91—CONTROL OF EMISSIONS FROM MARINE SPARK-IGNITION ENGINES > SUBPART E—Gaseous Exhaust Test Procedures (§91.401 to §91.427) > 91.406—Engine parameters to be measured and recorded.

91.406—Engine parameters to be measured and recorded.

Measure or calculate, then record, the engine parameters in Table 1 in appendix A of this subpart.