Vol. 4, Issue 10, Part F (2018)

Abstract
Natural resources that are in the womb of nature crude oil is the most important mineral. For the use of humanity, oil is extracted through scientific means. During the drilling operation while this is extracted and refined various chemical substances get mixed up with soil and water occurs. A study of effluent monitoring was undertaken in Sivasagar district, Assam to determine its characteristics and possible impacts on the environment. Parameters examined for water samples were pH, total hardness,Cl^-,SO₄^2-,Pb,Cr,Cu,Fe and Ni. Safety and environment management department of the drilling company has set up to monitor the pollution control measures.