PROPERTIES SAMPLE A SAMPLE B pH 5.7 6.6 Moisture Content 8.2% 10.8% Particle sizes 2mm 1mm 500µm <500µm   12.77% 7.70% 9.38% 70.15%   38.33% 29.61% 12.60% 20.00% Te×ture Silty Clay Sandy loam Colour Dark Brown Brown Lead Concentration 2160 ppm 1367 ppm Pseudomonas count 7.0 × 103 CFU/ g 11 × 103 CFU/ g

Table 2: Soil Characterization.