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. 2020 Jul 9;10:11330. doi: 10.1038/s41598-020-68198-6

Table. 2.

Parameters and concentration of leachates used for simulation.

Parameters Value Contaminant Concentration (ppm) Permissible Concentration (ppm)
Seepage velocity (cm/year) 0.2346 Chloride 4,000 250
Δt (year) 1 Zinc 3.2 3
Δx (cm) 14 Iron 73.6 3
θ 0.33 Lead 19.4 0.05
Copper 62.6 2