Ag. 18 mg/Kg Mo .10.4 mg/KgAl . 13.2 mg/Kg Ni .19.2 mg/Kg As. 3.3 mg/Kg Pb .25.4 mg/Kg Ba. 347 mg/Kg Sb .3.33 mg/Kg Cd . 1.74 mg/Kg V .12 mg/Kg Co . 2.97 mg/Kg Zn .563 mg/Kg Cr . 40.4 mg/Kg Chemical oxygen demand (COD) .771 mg/Kg Cu . 402 mg/Kg Kjeldahl n