Non-Methane Hydrocarbons (NMHC definition

Non-Methane Hydrocarbons (NMHC means the sum of all hydrocarbon air pollutants except methane.
Non-Methane Hydrocarbons (NMHC means the sum of all hydrocarbon air pollutants except methane. NMHCs are precursors to ozone formation.
Non-Methane Hydrocarbons (NMHC means the sum of all HC air pollutants except methane.

Examples of Non-Methane Hydrocarbons (NMHC in a sentence

  • The NOX, Non-Methane Hydrocarbons (NMHC), CO and PM emission test results in dual-fuel mode shall be lower than or equal to the results in diesel mode.

  • The GAS_PROFILE table contains Total Organic Gases (TOG), Non-Methane Organic Gases (NMOG), Volatile Organic Compounds (VOC), and Non-Methane Hydrocarbons (NMHC) profiles, depending on the available species and analytical methods.

  • In addition to the pollutants called for in this analysis, the following pollutants were additionally required for MOVES to produce the VOC emissions rates: Total Gaseous Hydrocarbons (THC), Non-Methane Hydrocarbons (NMHC), and Methane.

  • NMHC –Total Non-Methane Hydrocarbons (NMHC) are the sum of all hydrocarbon air pollutants except methane.

  • This ceiling value applies whether credits for the family are derived from averaging, banking, or trading programs.(ii)(A) Non-Methane Hydrocarbons (NMHC) for engines fueled ith either diesel fuel, natural gas, or liquefied petro- leum gas.

  • Thus, in her comparison of the uses of PMs in English with those in MSA, the Arabic PMs (DMs in her terminology) are described only as connectives that are “structurally fixed” with functions mostly limited to texts, whereas the English PMs are seen to have a larger list of functions that can be both conversationally and textually based (Ryding, 2006, p.

  • The NOx + Non-Methane Hydrocarbons (NMHC), CO and PM emissions factors in the table below represent the relevant Subpart IIII emission standards for non-emergency engines from 40 C.F.R. § 60.4204(b).

  • The only national requirement for heavy-duty trucks is currently for non-GHG emissions, as the heavy-duty engines must meet Non-Methane Hydrocarbons (NMHC), nitrous oxides (NOx), particulate matter (PM), and carbon monoxide (CO) standards.

  • PollutantTime weightedaverageIndustrial areasResidential, rural and otherareasControlled areasCarbon monoxide (CO)8 hours5.0 ng/m32.0 ng/m31.0 ng/m3Methane (CH4)24 hours5000 ppb Non-Methane Hydrocarbons (NMHC) Instant peak 700 ppb Nitrogen Oxides(NOX)AnnualAv.80 µg/m360 µg/m315 g/m3Note: (a) For residential premises in designated industrial areas, the above standards do not apply.(b) For industrial premises in designated residential areas, standards for residential areas shall apply.

  • A retrofit of an uncontrolled SI engine that reduces NOx must be with a retrofit kit that is verified to reduce NOx or NOx + Non-Methane Hydrocarbons (NMHC) emissions to the currently applicable off-road LSI engine standard.


More Definitions of Non-Methane Hydrocarbons (NMHC

Non-Methane Hydrocarbons (NMHC means the sum of all hydrocarbon species except methane;
Non-Methane Hydrocarbons (NMHC means the sum of all hydrocarbon species excluding methane;
Non-Methane Hydrocarbons (NMHC means the sum of all hydrocarbon air

Related to Non-Methane Hydrocarbons (NMHC

  • Gas means any mixture of hydrocarbons and noncombustible gases in a gaseous state consisting primarily of methane.

  • Condensate means hydrocarbon liquid separated from natural gas which condenses due to changes in the temperature or pressure and remains liquid at standard conditions.

  • Oxides of nitrogen means the sum of the volume mixing ratio (ppbv) of nitrogen monoxide (nitric oxide) and nitrogen dioxide expressed in units of mass concentration of nitrogen dioxide (µg/m3);

  • CO2 means carbon dioxide.

  • Oil means petroleum in any form including crude oil, fuel oil, sludge, oil refuse and refined products (other than petrochemicals which are subject to the provisions of Annex II of the present Convention) and, without limiting the generality of the foregoing, includes the substances listed in Appendix I to this Annex.