This article can also be found on LinkedIn. See what people are saying. We may think that It should be common sense to always have proper documentation in your Process Hazard Analysis (PHA) or Hazard and Operability (HAZOP) Study. Unfortunately, I have seen so many poorly documented PHAs that it really doesn't make sense to use them in the Layer of Protection Analysis (LOPA). Some PHAs had too much information on low severity scenarios and too little information on high sever

This article was originally posted on August 23, 2017 and updated on February 8, 2019. This article can also be found on LinkedIn You've been invited to participate in a HAZOP study. What now? HAZOP or Hazard and Operability study is a form of analysis used in the chemical processing industry to determine potential hazards and operational issues (gaps), analyze risk for a particular system and make recommendations to reduce intolerable risks. It is a known best practice AND v