40 CFR · Protection of Environment
§ 86.1837-01 — Rounding of emission measurements.
eCFR · current through Jul 16, 2026
§ 86.1837-01 Rounding of emission measurements.
(a)Unless otherwise specified, the results of all emission tests shall be rounded to the number of places to the right of the decimal point indicated by expressing the applicable emission standard of this subpart to one additional significant figure, in accordance with 40 CFR 1065.20.
(b)Fleet average NOX value calculations, where applicable, must be rounded before comparing with the applicable fleet average standard and calculating credits generated or needed as follows: manufacturers must round to the same number of significant figures that are contained in the quantity of vehicles in the denominator of the equation used to compute the fleet average NOX emissions, but to no less than one more decimal place than that of the applicable fle
Free access — add to your briefcase to read the full text and ask questions with AI
40 C.F.R. § 86.1837-01 (Rounding of emission measurements.) — published by Counsel Stack Legal Research, free access to 12M+ legal documents.
Related
§ 1065.20
40 C.F.R. § 1065.20
Nearby Sections
11
§ 86.1833-01
Adjustable parameters.§ 86.1834-01
Allowable maintenance.§ 86.1835-01
Confirmatory certification testing.§ 86.1837-01
Rounding of emission measurements.§ 86.1839-01
Carryover of certification data.§ 86.1840-01
Special test procedures.