elements,method,reported_range_mg_kg,reported_expanded_uncertainty,source_table Hg,CVAAS with amalgamation,0.01–20,30%,2 Cd Pb Cr Co Cu Mn Ni V,ICP-AES,>1,35% for <10 mg/kg; 20% for >10 mg/kg,2 As Sb,ICP-AES,>2,35% for <10 mg/kg; 20% for >10 mg/kg,2 Tl,ICP-AES,>5,35% for <10 mg/kg; 20% for >10 mg/kg,2