Bryan Haywood

BLEVE vs. HIT

Once again I turn to the professionals up North to provide us with some great information.  Transport Canada has once again done an excellent job explaining the difference between a Boiling Liquid Expanding Vapor Explosion (BLEVE) and a Heat-Induced Tear (HIT) type explosion.  So often when we see the large fireball, we will call the

Understanding Human Error (Parts 1-5)

One of the best books in my career is the first edition of “Field Guide to Human Error Investigations” (pdf) by Dr. Sidney Dekker (Ph.D. in Cognitive Systems Engineering); which then became “The Field Guide to Understanding Human Error” (2nd Edition).  Those of you in the Process Safety arena have some baseline knowledge of “Human

A PERFECT example of Inventory Management and Inherently Safe Design (CL2 & $220K)

Here we have a darn near perfect example as to why OSHA/EPA are now asking businesses with PSM/RMP covered process to “justify” their “maximum intended inventory(s)” of their Highly Hazardous Chemicals (HHC)/Extremely Hazardous Substances (EHS).  The business had, at the time of the EPA inspection four (4) 1-ton cylinders of Chlorine in the same room

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