Setting Regulatory Limits for Sulphur Content in Premium Motor Spirit (PMS) for Degraded Vehicles | Chapter 03 | Emerging Issues in Science and Technology Vol. 2
The need for a cleaner environment free
from unhealthy levels of Sulphur IV oxide (SO2) has prompted this study of
setting regulatory limits of sulphur content in Premium Motor Spirit (PMS)
especially that used in Nigeria. This study has used secondary and primary data
to show the extent of damage to the environment, caused by high sulphur content
in the PMS we use especially with degraded vehicles. The method adopted for
this studyinvolved field monitoring at three number locations (Choba junction,
Rumuokoro junction and Alakahia off the East-west road), to obtain meteorological
parameters via installed weather stations, traffic count through positioned
Close Circuit Television (CCTV) cameras and sampled vehicular exhaust emission
of SO2 from randomly selected vehicles. Results showed that vehicles using PMS
distributed in Nigeria emits as high as 210.6 mg/m3 and as low as 0.0 mg/m3 SO2
from their exhausts. For the Department of Petroleum Resources (DPR) and the
Ministry of Environment (MENv) to achieve its environmental limit of 0.15 mg/m3
ambient level of SO2, they need to reduce the sulphur content limit in PMS
supplied to Nigeria to 0.01% weight or restrict the movement of vehicles that
emit more than 30.6mg/m3 SO2(degraded vehicles) from their exhausts.
Author(s) Details
Terry Henshaw
Department of Civil and
Environmental Engineering, University of Port Harcourt, Rivers State, Nigeria.
Ify L. Nwaogazie
Department of Civil and
Environmental Engineering, University of Port Harcourt, Rivers State, Nigeria.
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