Each crop measured from Baifengao contained T-Hg levels
above CNSA tolerance limits for human foods. MeHg was
present in crops at high concentrations relative to T-Hg which
could result in adverse health effects to local residents due to
the high bioavailability of MeHg. Furthermore, chicken and
pigs contained T-Hg levels above CNSA recommendations.
Fish are considered an important source of exposure to Hg
due to the bioaccumulation of MeHg; however, of the fish
analyzed, 93% were under the CNSA limits.