The front of the waste yard (W) also showed high-level Pb contamination of the surface soil. The median Pb concentration in W, 3100 mg/kg (n = 9), was statistically comparable with the levels on roads S2 and C (Fig. 2).
The front of the waste yard (W) also showed high-levelPb contamination of the surface soil. The median Pb concentration in W, 3100 mg/kg (n = 9), was statisticallycomparable with the levels on roads S2 and C (Fig. 2).
Mặt trước của sân thải (W) cũng cho thấy mức độ cao Pb ô nhiễm đất bề mặt. Nồng độ Pb trung bình trong W, 3100 mg / kg (n = 9), về mặt thống kê so sánh với mức độ trên đường S2 và C (Hình. 2).