Book: Process Risk and Reliability Management

Video: Process Safety Management


  Inherent Safety
  Occupational Safety
  Process Safety
Safety Moments

Standard Examples

Ebook: Inherent Safety


The nature of Process Safety Management (PSM) can be understood by examining its component words. 


The first word is Process. PSM is concerned with process issues such as fires and the release of toxic gases, as distinct from occupational safety issues, such as trips and falls.

The second word is Safety. Although an effective PSM program improves all aspects of a facility's operation, the initial driving force for most PSM programs was the need to meet a safety regulation, and to reduce safety incidents related to process upsets and hazardous materials releases.

The third word is Management. In this context a manager is taken to be anyone who has some degree of control over the process, including operators, engineers and maintenance workers. Effective control of an operation can only be achieved through the application of good management practices.


The Center for Chemical Process Safety (CCPS 2007b) provides guidance as to what constitutes a PSM event:

  • It must involve a chemical or have chemical process involvement;

  • It must be above a minimum reporting threshold;

  • It must occur at a process location; and

  • The release must be acute, i.e., it must occur over a short period of time.

PSM is not new; indeed it has always been an integral part of the process industries. Companies have always carried out activities such as the writing of procedures, planning for emergencies, training of operators and the investigation of incidents. But it was in the late 1980s and early 1990s that PSM programs became more formalized and regulated.

Although industry tended to resist these new regulations, they did force companies to complete their process safety work promptly. Prior to the regulation there was a tendency to put off tasks such as the writing of operating procedures "until we have time". OSHA required that most of the elements be implemented immediately. The standard put managers' feet to the fire.

Other Materials

We provide an ebook on the to do with Inherent Safety in the process and energy industries.

Feel free to download the storyboard (the text of this video) and the test questions.


For discussions and updates to do with Process Safety please visit our Process Risk and Reliability Management blog.

Purchasing Information

This video comes as part of a package; it includes:

  • The video
  • The ebook
  • The storyboard to go with the video
  • The test
The package can be downloaded here.

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