Al. 450 mg/kgHg.0.28 mg/kgZn.16.0 mg/kgCd . 0.10 mg/kgMn .57.0 mg/kgCu . 46.6 mg/kgPb .25.0 mg/kgIndicative values for Ag, As, Au, B, Br, CaO, Ce, Cl, Co, Cr, Cs, Eu, F, FeeO3, K2O, La, MgO, Mo, N, Na2O, Ni, P2O5, Rb, S, Sb, Sc, Se, Sn, Tb, TiO2, Tl, U