part_subject: "CONTROL OF EMISSIONS FROM SPARK-IGNITION PROPULSION MARINE ENGINES AND VESSELS"
subpart_code: "B"
subpart_subject: "Emission Standards and Related Requirements"
section_number: "1045.107"
section_subject: "What are the not-to-exceed emission standards?"
cfr_reference: "40 CFR 1045.107"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Parts 1000 to 1059"
revised_date: "Revised as of July 1, 2017"
publication_date: "As of July 1, 2017"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
---
Not-to-exceed emission standards apply as follows:
(a)Measure emissions using the not-to-exceed procedures in subpart F of this part:
(b)Determine the not-to-exceed standard, rounded to the same number of decimal places as the emission standard in Table 1 to this section from the following equation:
(c)For engines equipped with a catalyst, use NTE multipliers from the following table across the applicable zone specified in § 1045.515:
(d)For two-stroke engines not equipped with a catalyst, use an NTE multiplier of 1.2 for HC + NOX and CO. Compare the weighted value specified in § 1045.515(c)(5) to the NTE standards specified in paragraph (b) of this section.
(e)For engines not covered by paragraphs (c) and (d) of this section, use the NTE multipliers from the following table across the applicable zone specified in § 1045.515: