Non-Methane Hydrocarbons (NMHC definition

Non-Methane Hydrocarbons (NMHC means the sum of all hydrocarbon air pollutants except methane.
Sample 1Sample 2Sample 3
Non-Methane Hydrocarbons (NMHC means the sum of all hydrocarbon air pollutants except methane. NMHCs are precursors to ozone formation.
Sample 1Sample 2Sample 3
Non-Methane Hydrocarbons (NMHC means the sum of all HC air pollutants except methane.
Sample 1Sample 2Sample 3

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;
Sample 1Sample 2Sample 3
Non-Methane Hydrocarbons (NMHC means the sum of all hydrocarbon species excluding methane;
Sample 1Sample 2
Non-Methane Hydrocarbons (NMHC means the sum of all hydrocarbon air
Sample 1

Related to Non-Methane Hydrocarbons (NMHC

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

  • Hydrocarbons means oil, gas, casinghead gas, drip gasoline, natural gasoline, condensate, distillate, liquid hydrocarbons, gaseous hydrocarbons and all products refined or separated therefrom.

  • 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);

  • Non-potable water means water not safe for drinking, personal, or culinary use as determined by the requirements of 35 Ill. Adm. Code 604.

  • Airborne radioactive material means any radioactive material dispersed in the air in the form of dusts, fumes, particulates, mists, vapors, or gases.

  • 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.

  • Coal means high-grade, medium-grade and low-grade category A and B coal within the meaning of the international codification system for coal established by the United Nations Economic Commission for Europe and clarified in the Council decision of 10 December 2010 on State aid to facilitate the closure of uncompetitive coal mines;

  • Evaporative emissions means the hydrocarbon vapours lost from the fuel system of a motor vehicle other than those from exhaust emissions;