MANAGEMENT OF NORM IN THE PETROLEUM INDUSTRY Akpojevwa Tega Naomi, october 2016 | Page 46

absence of such a program can lead to negative environmental impacts (e.g. contamination of underground water or contamination of soil that could become a residential or agricultural area in future years) and the associated remediation cost. Other important criteria for choosing disposal methods are technical feasibility and general acceptance from the regulatory institutions as well as the general public. The disposal methods for NORM waste used nowadays by the oil and gas industry can be subdivided into five categories: Land based management; Salt cavern disposal; offshore discharge; Land fill and Underground injection. Their characteristics are presented in table 3.1: Table 3.1 Description of disposal methods (OGP 2008). The selected disposal option for the NORM waste should also take into consideration, the potential hazards for humans and the environment that 35