Quality monitoring

There is no specific legislation for fuel quality monitoring in Nigeria. The Nigerian Midstream and Downstream Petroleum Regulatory Authority (NMDPRA), together with the Nigerian National Petroleum Corporation (NNPC), witness the sampling of cargoes. All testing is done by independent inspection companies who verify whether cargoes meet specification limits to discharge. Neither the NMDPRA nor the NNPC publish the monitoring results. After witnessing the sampling, the NMDPRA gives approval before a ship vessel is discharged. For refineries, the quality of fuel is tested before it is supplied.

According to local reports and SGS Worldwide Fuel Survey (WWFS) data from 2012 to 2023, levels of manganese