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Our Stories
A collection of our Blogs, Articles, and Whitepapers
Dust Hazards – Do You Know the Basics?
by Judith Lesslie, CFSE, CSP Those who work in high hazard industries are familiar with the OSHA Process Safety Management (PSM) and EPA...
PSM and RMP Audit Themes Across Industry | Part 2
Updated November 2024 — Written by Judith Lesslie, CFSE, CSP — Those who work in high hazard industries are familiar with the OSHA...
PSM and RMP Audit Themes Across Industry Part 1
Companies conduct audits in order to assess the effectiveness of their process safety systems, with the primary goal of ensuring their cover
Understanding Flammable Mist Explosion Hazards
While there is extensive testing and validation of hazards from flammable vapors, less information is available regarding flammable liquid mists. A method is suggested for reasonably estimating the nature and severity of flammable liquid mist hazards by applying published mist property correlations to model inputs and outputs in dispersion modeling software. Better estimating these hazards is important to properly evaluate what mitigations will be needed. One common high fla
A Tale of Two BPCS Credits, A Bayesian Case Study
Have you ever had the problem of having a perfectly functional BPCS * interlock that you know is highly failure immune, yet when it comes time for the Hazard Analysis, you may only take one credit? Unfortunately, for facilities following the IEC 61511 safety lifecycle, any interlock not designed according to the standard is limited to one risk reduction credit. This can make meeting extremely low total mitigated event likelihood targets (such as 1x10-5 or 1x10-6) exceedingl
When it Comes to Process Safety Audits, External Auditors Maximize Safety. Here’s How-Automation.com
Excerpt from automation.com: Review by external auditors with wide-ranging experience has proven at many sites to provide the best-case...
An Evergreen Process Hazard Analysis Will Help You
Those who work in high hazard industries are familiar with the OSHA Process Safety Management (PSM) standard requirements for Process...
How To Avoid IPL Selection Errors - ISS Source
by aeSolutions' Judith Lesslie Improperly selected and validated IPLs can result in high hazard scenarios that have far less risk...
LOPA Independent Protection Layers- Common Pitfalls in IPL Selection
Those who work in high hazard industries are familiar with the OSHA Process Safety Management (PSM) requirements for routine Process...
Raising the Stakes with your Process Safety Audit Team
Those who work in high hazard industries are familiar with the OSHA Process Safety Management (PSM) and EPA Risk Management Plan (RMP)...
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