This text investigates the systematic identification and assessment of hazards within the process industry to prevent catastrophic accidents. Trevor A. Kletz, a renowned authority in process safety, utilizes decades of industrial experience to provide a rigorous framework for Hazard and Operability (HAZOP) and Hazard Analysis (HAZAN) studies. The book argues that structured, proactive analysis is the most effective method for mitigating risk in complex chemical and manufacturing environments.

Experts consider this text a foundational reference for process safety engineers and plant managers. Readers frequently note the technical density of the prose, which is balanced by the author's clear, pragmatic approach to complex safety protocols.