Non-Methane Organic Gases (NMOG)
The sum of all organic air pollutants. Excluding methane they account for aldehydes, ketenes, alcohols, and other pollutants that are not hydrocarbons but are precursors of ozone.
Non-potable ...
Non-Methane Organic Gas (NMOG): The sum of non-methane hydrocarbons and other organic gases such as aldehydes, ketones and ethers.
Non-Point Sources: Diffuse pollution sources that are not recognized to have a single point of origin.
Landfill gas also contains varying amounts of nitrogen, oxygen, water vapor, sulfur and a hundreds of other contaminants - most of which are known as "non-methane organic compounds" or NMOCs.
Non-Methane Organic Gases (NMOG)
Non-Point Sources
Non-potable
Non-Road Emissions
Non-Transient Non-Community Water System
No-Observed-Effect-Level (NOEL)
Notice of Deficiency
Notice of Intent to Cancel
Notice of Intent to Deny ...
 See also: Pollution, Nitrogen, Organic, Contaminant, Coal
  
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