background concentration

listen to the pronunciation of background concentration
İngilizce - İngilizce
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
background concentration

    Heceleme

    back·ground con·cen·tra·tion

    Türkçe nasıl söylenir

    bäkgraund känsıntreyşın

    Telaffuz

    /ˈbakˌground ˌkänsənˈtrāsʜən/ /ˈbækˌɡraʊnd ˌkɑːnsənˈtreɪʃən/