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Bioakkumulation

En vigtig proces, hvorigennem kemikalier kan påvirke levende organismer. Visse giftige stoffer (såsom tungmetaller og polychlorerede biphenyler) akkumuleres og fortsætter med at akkumulere i levende organismer, hvilket udgør en trussel for deres helbred. Det er en stigning i koncentrationen af et forurenende stof fra miljøet til den første organisme i en fødekæde (første optagelse kan forekomme på ethvert fødekædeniveau).

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