Mercury (Hg) contamination from a variety of point and non-point sourc
es, including atmospheric inputs, is currently considered to be the mo
st serious environmental threat to the well being of fish and wildlife
resources in the southeastern United States, Fish consumption advisor
ies have been issued in all ten states comprising the U.S. Fish and Wi
ldlife Service's Southeast Region. Both freshwater and marine species
have been affected with levels ranging as high as 7.0 ppm in some indi
viduals. Many other species, including various species of reptiles, bi
rds and mammals (including humans) are also contaminated. Impacts note
d range from reproductive impairment to mortality.