Soil Source Speciation Concentration (mg/kg dw) Test Bioaccessibility Reference Soil 4 mountain types mine waste - 41-260 DIN stomach 30-97% stomach and intestine 6,5% (1) Soil 12 types wood preservatives - 70-104 DIN stomach 15-46% stomach and intestine - (1) Soil 3 types waste and urban impact - 75-720 DIN⁵⁹ stomach 35-83% stomach and intestine 14% (1) Soil urban municipal and coal incinerator ashes, de- icing salt, snow disposal, metal industry waste   carbonate oxide 450–4.600 GJST stomach 27–45% (20) Soil - - 230-4.200 PREP stomach and intestine 0-4,7% (10) Soil agricultural and paddy mine waste - 56-570 SBET stomach 35-50%⁶⁰ (12)