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Saasteaine

See artikkel vajab toimetamist. (Detsember 2008) Palun aita artiklit toimetada. (Kuidas ja millal see märkus eemaldada?)

Saasteaine (ka reoaine, pollutant) on inimtegevuse tagajärjel keskkonda (õhku, vette, mulda) sattunud aine, mis enamasti mõjub negatiivselt inimesele ja teistele organismidele. Saasteaine võib olemuselt olla nii tahke, vedel kui ka gaasiline.

Kui tavaliselt räägitakse saasteainetest kui keemilistest ühenditest, siis lisaks neile arvatakse siia ka müra ja vibratsioon, mõnikord ka ümbritseva keskkonna temperatuuri esilekutsutud muutumine[1].

Saasteainete sattumist keskkonda nimetatakse saastumiseks.

Sõltuvalt sellest, millisesse keskkonda saasteaine jõuab saab eristada õhusaastust, veereostust, mullasaastust jne.

Paljude saasteainete kohta on fikseeritud lubatud piirkontsentratsioonid (LPK), mille juures need ained veel otseselt keskkonnale ega inimesele ohtlikud pole.

  1. 2004. A Dictionary of Ecology [edited by Michael Allaby]. Oxford University Press. pp 440
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Saasteaine
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