The arsenic contaminant analysis was carried according to the Canadian Society of Soil Science Method with a modification by Environmental research training center (ERTC) (49) using AAS HG model AA analyst 300. The operating conditions of FI-MH-AAS were wavelength: 193.7 nm, Slit width 0.70 nm, Lamp current: 5, and Energy: 52 (51). Samples were analyzed to determine arsenic contamination in: