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bioaccumulation
(redirected from bioaccumulative)

   Also found in: Medical, Wikipedia 0.01 sec.
bio·ac·cu·mu·la·tion  (b--kymy-lshn)
n.
The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism: the bioaccumulation of mercury in fish.

bio·ac·cumu·lative adj.

bioaccumulation  (b--kymy-lshn)
The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism. Bioaccumulation takes place within an organism when the rate of intake of a substance is greater than the rate of excretion or metabolic transformation of that substance. Compare biomagnification.


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Its persistent, its bioaccumulative and its toxic sort of the big three.
To gain "priority chemical" status, a chemical must be "identified by an authoritative governmental entity" as being known as a "carcinogen, a reproductive or developmental toxicant or an endocrine disrupter"; a "persistent, bioaccumulative and toxic"; or "very persistent and bioaccumulative.
These chemicals are listed by the EPA, as persistent toxins (persistent bioaccumulative toxins, PBTS), meaning they do not readily breakdown and remain in the environment for years.
 
 
 
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