Yes, But…Hardware Fault Tolerance

“Therefore, by virtue of the authority vested in me by the Universita Committeeatum E Pluribus Unum, I hereby confer upon you the honorary degree of Th.D.,… er, ‘Doctor of Thinkology’.”  —The Wizard of Oz Most of our readers understand that for a Safety Instrumented Function—a SIF—to have a particular Safety Integrity Level—a SIL—its Average Probability [...]

A Process Safety Hat Trick

“I hated being pregnant, but I never minded being in labor.  I knew I would get a prize at the end.”  — Chris Schmidt, mother of four Things have been a little crazy in Saint Louis for the past week. Founded in 1967, the Blues Hockey Club has finally won a Stanley Cup. Everyone feels [...]

Double Jeopardy: Impossible?

“Everything is impossible until it is done.”  — Robert H. Goddard In 1921, annoyed with ignorant criticism, Robert Goddard published a piece in Scientific American in defense of the potential for travel to the moon. It’s always easier to say something is impossible than to address the potential of it happening. Double Jeopardy When someone [...]

An Incident? Don’t Recommend Training!

“It’s not how we make mistakes, but how we correct them that defines us.”  — Rachel Wolchin One of the most common recommendations made as a result of incident safety investigations is “improved training,” especially when the investigation concludes that the incident was the result of an error. It is not because training is so [...]

“No Harm, No Foul”: Madness

“As they depend, not upon the agent, but upon fortune, they cannot be the proper foundation for any sentiment” — Adam Smith We all believe that people should follow safety rules all the time. Not because there is a harmful outcome every time someone violates a safety rule or commits an unsafe act. Because usually [...]

Setting Limits: Where Does Your PSM-Covered Process End?

“Human genius has limits, but stupidity does not.”  — Alexandre Dumas, fils Everyone we have ever worked with is accepting, if not downright enthusiastic, about managing process safety. Likewise, everyone we have ever worked with is no more enthusiastic about complying with Process Safety Management than they are about getting a root canal. In part, [...]

By | 2019-03-28T15:02:10+00:00 March 28th, 2019|Chemicals, Process Safety, Process Safety Management|0 Comments

Sharing Knowledge: How to Do It and Why It’s Important

“Knowledge, like air, is vital to life. Like air, no one should be denied it.”  — Alan Moore It is human nature to seek knowledge - we have evolved as curious creatures. Being able to build an accurate picture of the world is one method we employ for survival.  When you’re looking for knowledge, what [...]

Why Different PHA Teams Get Different Results

“Differences challenge assumptions.”  Anne Wilson Schaef There is a common misunderstanding about the nature of Process Hazard Analyses (PHAs):  that they are objective studies. By objective, we mean that different teams, working at different times and at different places, but looking at the same process, will get the same results. There is a perception that [...]

By | 2019-02-07T16:08:56+00:00 February 7th, 2019|PHA, Process Safety Management|0 Comments

Your Next Blockbuster Adventure: The PHA

“Archeology is the search for fact, not truth. If it’s truth you’re looking for, Dr. Tyree’s philosophy class is right down the hall.” — Indiana Jones, from The Last Crusade A process hazard analysis (PHA) is not a trivial exercise.  The search for process hazards takes time and effort, and it pulls a team of [...]

By | 2019-01-31T15:53:17+00:00 January 31st, 2019|PHA, Process Safety, Process Safety Management|0 Comments

Risk Tolerance Criteria: How Low Do You Go?

“Some risks are plainly acceptable and others are plainly unacceptable.”  Supreme Court Justice John Paul Stevens When Justice Stevens wrote that opinion for the majority in the 1980 OSHA Benzene case, he went on to add that odds of fatality of one in a billion could not be considered significant but that for odds of [...]

By | 2019-01-24T14:34:43+00:00 January 24th, 2019|Process Safety Management, Risk Assessment|0 Comments