Open Access Research Paper Views (863) Heavy metal pollution in soils along the major road networks: A case study from Rawalpindi Aasma Bibi, Sofia Khalid, Khanorangah Achakzai J. Biodiv. & Environ. Sci. 9(4), 141-148, October 2016. Keywords: Contamination factor, Environmental pollution, Integrated pollution index, Pollution load index Details