Glossary
Plain-English definitions of the acronyms and terms that run through every P&ID conversation — PHA, HAZOP, MOC, LDAR, PSI, MTO, FEED, and more.
- 01What is a PHA (Process Hazard Analysis)?
- 02What is a HAZOP (Hazard and Operability study)?
- 03What is MOC (Management of Change)?
- 04What is LDAR (Leak Detection and Repair)?
- 05What is Process Safety Information (PSI)?
- 06What is a Material Take-Off (MTO)?