The book highlights high risk petrol workers are exposed to their work, it determines prevalence and intensity of hazard to health and comparative analysis to standard so also the possible impact of hazard to petrol station workers. The book compared with global international standards, OSHA, USEPA, NAAQS, FEPA. Research identified high vehicular traffic at the filling station with low level of awareness of the effect of the criteria pollutants to the workers, from the observation their was no personal protective equipment usage at the filling station as the workers do not see the need, therefore training was considered very important for attendants as it reduces medical reportable cases, lost time injuries and occupational diseases, in addition proffered solution to health and safety at work especially those working in a petrol station.