40 CFR § 94.103
Test procedures for Category 1 marine engines
June 9, 2020
(a) Gaseous and particulate emissions shall be measured using the test procedures specified in 40 CFR part 89, except as otherwise specified in this subpart.
(b) The Administrator may specify changes to the provisions of paragraph (a) of this section that are necessary to comply with the general provisions of §94.102.
(c) Measure CH4 as specified in 40 CFR 1042.235 starting in the 2012 model year.
[64 FR 73331, Dec. 29, 1999, as amended at 74 FR 56374, Oct. 30, 2009]