Recent Blog Posts

P&ID (Piping & Instrumentation Diagrams)

January 24th, 2023

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

Calculating Threshold Quantity for Chemicals with Concentration Qualifiers

November 30th, 2021

Title 40 CFR §68.130 contains the table of RMP chemicals and their corresponding threshold quantities. Of the seventy-seven substances listed, four contain a concentration qualifier: Ammonia (conc 20% or greater) Hydrochloric acid (conc 37% or greater) Hydrogen fluoride/Hydrofluoric acid (conc 50% or greater) Nitric acid (conc 80% or greater) What does the concentration qualifier mean? […]

Auditing Elements: Process Safety Information (Part 4)

August 3rd, 2021

In this compliance audit blog series, we have decided to focus on each program element. If you plan to lead an audit, these lists will be instructional for you. But if you want to prepare for an upcoming audit, these lists will give you an idea of what to expect. Process safety information often takes […]

P&IDs and MOCs (Part 6)

June 8th, 2021

A great way to maintain P&ID accuracy is to implement an effective management of change (MOC) program. If used correctly, an MOC will initiate modifications to PSM elements that require attention when a facility or process change takes place. Assuming the scope of an MOC includes process equipment, the P&IDs will require amendment. Here is […]

P&IDs and Training (Part 5)

May 25th, 2021

We advocate that P&IDs be included in the training program for operators of PSM processes. Due to the complexity of diagrams, it is important for operators to regularly interact with P&IDs to improve their ability to use them. Here are some suggestions on how to incorporate P&IDs into operator training: Operator Sketch – Give an […]