background concentration

English - English

Definition of background concentration in English English dictionary

The concentration of any substance which would normally be found in an area This amount is used as a basis of comparison in identifying contamination levels

The pollutant levels that are found throughout the continental United States even in "clean air locations," areas where no man-made air toxic emissions would be expected They are a result of past emissions of persistent pollutants, long-range transport of recent emissions, and widespread man-made sources

A concentration of a substance in a particular environment that is indicative of minimal influence by human (anthropogenic) sources

the level of a contaminant present before the introduction of a new source

Hyphenation

back·ground con·cen·tra·tion

Turkish pronunciation

bäkgraund känsıntreyşın

Pronunciation

/ˈbakˌground ˌkänsənˈtrāsʜən/ /ˈbækˌɡraʊnd ˌkɑːnsənˈtreɪʃən/