Research Article

Potential Toxic Metal Concentration and Risk Assessment in Agricultural Soil and Lentil Crop (Lens culinaris Medik) in Dawunt Woreda, Northwest Wollo, Ethiopia

Table 3

Average daily intake of PTEs from soil and lentils through inhalation, ingestion, and dermal contact exposure pathways.

Adults
Soil sampleLentil sampleSL
PTEs

Fe7.26E − 081.57E − 071.97E − 054.27E − 050.0004940.001070.0001380.0002990.002062
Cu4.47E − 099.7E − 091.21E − 062.63E − 063.04E − 056.59E − 051.3E − 052.82E − 050.000141
Mn2.22E − 094.81E − 096.02E − 071.3E − 061.51E − 053.27E − 052.21E − 054.79E − 050.00012
Pb2.05E − 104.44E − 105.56E − 081.2E − 071.39E − 063.02E − 062.06E − 064.46E − 061.11E − 05
Cr7.72E − 091.67E − 082.1E − 064.54E − 065.25E − 050.0001142.62E − 065.68E − 060.000181
Cd1.69E − 093.67E − 094.6E − 079.96E − 071.15E − 052.5E − 055.7E − 071.24E − 063.98E − 05
Co3.71E − 108.04E − 101.01E − 072.18E − 072.52E − 065.46E − 061.71E − 063.71E − 061.37E − 05
8.93E − 081.93E − 072.42E − 055.25E − 050.0006070.0013160.000180.000390.002569

Children

Fe2.23E − 082.42E − 072.24E − 062.42E − 050.0007990.0086583.72E − 050.0004030.009924
Cu1.38E − 091.49E − 081.38E − 071.49E − 064.93E − 050.0005343.51E − 063.8E − 050.000626
Mn6.83E − 107.4E − 096.84E − 087.41E − 072.44E − 050.0002655.96E − 066.46E − 050.00036
Pb6.3E − 116.83E − 106.32E − 096.84E − 082.26E − 062.44E − 055.56E − 076.02E − 063.33E − 05
Cr2.37E − 092.57E − 082.38E − 072.58E − 068.5E − 050.0009217.08E − 077.67E − 060.001017
Cd5.21E − 105.65E − 095.22E − 085.66E − 071.86E − 050.0002021.54E − 071.67E − 060.000223
Co1.14E − 101.24E − 091.14E − 081.24E − 074.08E − 064.42E − 054.62E − 070.0000055.39E − 05
2.75E − 082.98E − 072.75E − 062.98E − 050.0009830.0106484.85E − 050.0005260.012238

, the total average daily intake of all PTEs in each exposure pathway; ADD-non, the average daily intake for noncancer risk; ADD-can, the average daily intake for cancer risk assessment; SL, the soil and lentil sample combination.