Heavy metal Range (ppb) Mean concentration in tilapia samples (ppb) #Action Level in Seafood (ppb)1
Arsenic 0-55.85 2.88 76,000-86,000
Lead 0-4.5 1.16 1500-1700
Cadmium 0-85.28 10.89 3000-4000
Mercury 0-156.8 17.48 1000
#Action levels in seafood set forth by US-FDA.
Table 2: Range, mean concentration and action levels for heavy metal concentrations in seafood.