OSAKWE, Stephen Anapuwa - In: International Journal of Natural Sciences Research 2 (2014) 4, pp. 48-58
Soils samples were collected from selected automobile workshops in Abraka, Delta State, Nigeria, at the depths of 0 – 15cm, 15 – 30cm and 30 – 45cm representing top,- sub- and bottom soils respectively and also from control site and 20m away from the point of impact. The soils were...