How can we improve process hazard identification? What can accident investigation methods contribute and what other recent developments? A brief historical survey and a sketch of how to advance

The paper reviews the developmental history of both accident investigation and hazard identification methodology; incidentally it will identify commonality and differences. On the basis of the comparison and of recent advances in computerization, the paper will investigate to what extent beneficial modifications and additions can be made to obtain a higher degree of completeness in HAZID.