The 2nd edition provides an update of information since the publication of the first edition including best practices for managing process safety developed by industry as well as incorporate the additional process safety elements. In addition the book includes a focus on maintaining and improving a Process Safety Management (PSM) System. This 2nd edition also provides "how to information to" determine process safety performance status, implement one or more new elements into an existing PSM system, maintain or improve an existing PSM system, and manage future process safety performance.