Heavy metal Range (ppb) Mean concentration in nugget samples (ppb) Number of samples with detectable levels of heavy metal Percent samples with detectable heavy metals (%) Action Level in Seafood (ppb) Arsenic 0 0 0 0 76000-86000 Lead 0 0 0 0 1500-1700 Cadmium 0-151.0 15.31 9 37.5 3000-4000 Mercury 0-406.1 16.92 1 4.16 1000

Table 3: Mean concentrations and range (ppb) of heavy metals in the catfish nuggets.