The investigation addressed the dispersal patterns of
mercury and zinc releases
by collecting sediments close to discarded batteries,
at increasing distances
from batteries and AtoNs, and at background locations
where batteries had never
been used. Ionic and methyl mercury levels were also
measured because of their
increased bioaccumulation potential.
Mercury was also measured in aquatic biota attached to batteries and in nearby
sediment, because accumulation in these organisms is the most critical exposure
pathway for humans and the aquatic ecosystem as a whole.
iv
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