ambient air standard


ambient air standard
the highest concentration of a specific air pollutant at a particular outdoor location, in a specified unit of time, that is not considered hazardous to humans: The ambient air standard for gas X is 3 parts per million per hour.
[1970-75]

Useful english dictionary. 2012.

Look at other dictionaries:

  • ambient air standard — the highest concentration of a specific air pollutant at a particular outdoor location, in a specified unit of time, that is not considered hazardous to humans: The ambient air standard for gas X is 3 parts per million per hour. [1970 75] * * * …   Universalium

  • ambient air quality standard — aplinkos oro kokybės norma statusas T sritis Standartizacija ir metrologija apibrėžtis Įteisintas aplinkos oro kokybės parametras, paprastai išreikštas skaitinėmis teršalų koncentracijų vertėms, nustatytoms tam tikrai vidurkinimo trukmei.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • National Ambient Air Quality Standards — Counties in the United States where one or more National Ambient Air Quality Standards are not met, as of June 2007. The National Ambient Air Quality Standards (NAAQS) are standards established by the United States Environmental Protection Agency …   Wikipedia

  • Air pollution — from World War II production Smog over …   Wikipedia

  • Standard conditions for temperature and pressure — Not to be confused with Standard state. In chemistry, standard condition for temperature and pressure (informally abbreviated as STP) are standard sets of conditions for experimental measurements, to allow comparisons to be made between different …   Wikipedia

  • Air Quality Index — The Air Quality Index (AQI) is a standardized indicator of the air quality in a given location. It measures mainly ground level ozone and particulates (except the pollen count), but may also include sulfur dioxide, and nitrogen dioxide. Various… …   Wikipedia

  • Air preheater — An air preheater or air heater is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be… …   Wikipedia

  • Air gun — Air rifle and Air pistol redirect here. For other uses, see Air gun (disambiguation) An air gun (air rifle or air pistol) is a rifle or pistol which fires projectiles by means of compressed air or other gas, (in contrast to a firearm which uses… …   Wikipedia

  • Ambient media — started to appear in British media jargon around 1999, but now seems to be firmly established as a standard term within the advertising industry [Making a difference with ambient media. By: Jane Barnes, Admap, February 1999] . It is the name… …   Wikipedia

  • Air ambulance — A Eurocopter EC 145 of Switzerland s Rega air rescue service. An air ambulance is an aircraft used for emergency medical assistance in situations where either a traditio …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.