background and objective: prevention of accidents—a crucial requirement in oil industries—involves hazard recognition, risk assessment, and corrective actions. the purpose of this study was to compare the etba and hazop techniques for risk assessment in a gasoline refinery unit. methods: in this case study, data were collected using process flow diagram, walking–talking through method, piping a...

to resort to trickery to get repeat prescriptions, but it wasn't too difficult, and as I had no underworld contacts, I had to get my supply In due course my mental and physical health deteriorated and I was forced to tell my tale of woe to my doctor, who calmly scrawled another prescription for Duraphet instead. After four months in a mental hospital 1 was freed of my hell. That was two years a...

T. Bredfeldt Texas Commission on Environmental Quality, MC-168, P.O Box 13087, Austin, TX 78711-3087, USA e-mail: [email protected] Abstract Hazard identification is considered an early step in the risk assessment process. The primary goal of this step is to determine whether exposure to a chemical is likely to cause a specific adverse health effect in humans. The process of hazard ide...