40 CFR 1045.107
§ 1045.107 What are the not-to-exceed emission standards?
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 1045.107, § 1045.107 What are the not-to-exceed emission standards?, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/195284
- Permanent ID
ys:prov:195284@1- SHA-256
fafafac79ec12fc4d86e1f7e2d0846c25b2b97c68f60bbed397c916154697ad8
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
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:
Where:
(c) For engines equipped with a catalyst, use NTE multipliers from the following table across the applicable zone specified in § 1045.515:
Table 1 to § 1045.107—NTE Multipliers for Catalyst-Equipped Engines
(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:
Table 2 to § 1045.107—NTE Multipliers for Four-Stroke Engines without Catalysts
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.