Glossary N

The Environmental Glossary. Letter N +++ Popular Articles: 'Neutralization', 'Noise control', 'Niche'

- Non-methane volatile organic compounds (NMVOCs) : A Non-methane volatile ORGANIC COMPOUNDS (NMVOCs) is Organic compounds, other than methane,

A Non-point source is Large land area such as crop fields and urban areas that Discharge Pollutant into surface and underground water over a large area. See point source.

A Non-Point Source Management Program is Under the Non-Point Source Management Program,

- Non-Point Source Pollution : A Non-Point Source Pollution is Pollution that occurs when rainfall, snowmelt, or Irrigation runs over land or through the ground, picks up pollutants, and deposits them into rivers,

Non-Productive Sow Days are Days a sow is neither Lactating or gestating.

A Non-Return Dip Cup is a dip cup that does not allow the liquid to reenter and potentially contaminate the storage container.

- Non-Transient, Non-Community Water System : A Non-Transient, Non-Community Water System is a water system which supplies water to 25 or more of the same

A Nonattainment is any area that does not meet (or that contributes to Ambient Air quality in a nearby area that does not meet) the national primary or secondary Ambient Air quality standard for the pollutant.

A Nonattainment Area is a region in which the level of a Criteria Air Pollutant is higher than allowed by the federal NAAQS.

A Nonbiodegradable is Substance that cannot be broken down in the environment by natural processess. See biodegradable.

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Glossary N

Non-methane volatile organic compounds (NMVOCs)

Non-point source

Non-Point Source Management Program

Non-Point Source Pollution

Non-Productive Sow Days

Non-Return Dip Cup

Non-Transient, Non-Community Water System

Nonattainment

Nonattainment Area:

Nonbiodegradable

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