Recent Blog Posts

Fundamentals of Refrigeration: Absolute Pressure and Gauge Pressure

December 23rd, 2025

While the pressure that the air exerts over the surface of the earth is approximately 14.7 pounds per square inch, most pressure gauges will read ‘0’ psi when open to the atmosphere. This is because pressure gauges measure a “relative pressure” compared to the surrounding atmospheric pressure. When a gauge is put on a tire […]

Fundamentals of Refrigeration: Pressure

December 9th, 2025

Pressure is the measurement of a force applied over an area. The equation to calculate pressure is Pressure equals Force divided by Area. Imagine that a 200-pound man stood on top of a table that has a 10 square foot area. Assuming the man’s weight could be evenly distributed across the table, the pressure exerted […]

P&ID (Piping & Instrumentation Diagrams)

January 24th, 2023

Check out Resource Compliance’s free video on P&ID (Piping & Instrumentation Diagrams).

Ammonia Week in Review | August 25, 2017

August 25th, 2017

Ammonia causes havoc on campus in this week’s edition of the Ammonia Week in Review…. 50 Students Hospitalised After Ammonia Gas Leak Near School – Nearly 800 students were present on the school campus when the gas leaked from the adjoining cold storage, located on Narsingpur road, a senior official said. […keep reading] 2017 RETA National Conference | […]

PSI Explained: Electrical Supply and Distribution Systems

August 22nd, 2017

CalOSHA’s PSM regulation (Title 8 CCR §5189(d)(3)(A)(9)) uniquely requires that the “information pertaining to the equipment in the process shall include: Electrical supply and distribution systems”. None of the other California or Federal process safety regulations (FedOSHA PSM, USEPA RMP, or CalARP) contain such a requirement. As such, literature describing best practices for implementation of […]