More Than Three? Limits to Redundancy

“How can you trust a man who wears both a belt and suspenders? The man can’t even trust his own pants.”  — Henry Fonda as Frank, in Once Upon a Time in the West There’s a cliché in the movies that involves a paranoid urban apartment-dweller with a dozen or more locks, deadbolts, chains, and [...]

By |2019-09-12T14:30:56-05:00September 12th, 2019|PHA, Process Safety, Process Safety Management, Workplace Safety|Comments Off on More Than Three? Limits to Redundancy

Shelter-in-Place: What the Community Should Know

“By failing to prepare, you are preparing to fail.”  — H.K.Williams On July 18, 2019, two people were injured after a chemical fire broke out at Diamond Chemical Company in East Rutherford, New Jersey.  At least one of the chemicals involved in the fire was chlorine, which is poisonous, especially as a gas.  When it [...]

By |2019-09-05T13:36:34-05:00September 5th, 2019|Chemicals, Process Safety|Comments Off on Shelter-in-Place: What the Community Should Know

Seven Questions: The Essence of HazOps

“A prudent question is one-half of wisdom.”  — Francis Bacon There are about a gazillion “best” ways to do HazOps. What they all have in common, however, is that they use worksheets that are set up as tables that look at deviations in a node. For each deviation, a HazOp team considers “Causes”, “Consequences”, “Safeguards”, [...]

By |2019-08-29T14:38:07-05:00August 29th, 2019|PHA, Process Safety, Process Safety Management|Comments Off on Seven Questions: The Essence of HazOps

One Small Step

“If we can put a man on the moon, why can’t we…”  — Nearly Everyone Fifty years ago, humans first walked on the moon. It was and remains a remarkable and courageous feat of technology and determination. Having achieved it, though, most of society lost interest and moved on. Humans haven’t been back on the [...]

By |2019-07-18T13:47:20-05:00July 18th, 2019|Current Events, Process Safety|Comments Off on One Small Step

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 [...]

By |2019-07-11T15:29:13-05:00July 11th, 2019|Procedures, Process Safety, Process Safety Management|Comments Off on Yes, But…Hardware Fault Tolerance

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 [...]

By |2019-06-20T13:31:08-05:00June 20th, 2019|Process Safety, Process Safety Management, Workplace Safety|Comments Off on A Process Safety Hat Trick

SIL Certification: Necessary or Sufficient?

“Contrary to what many parents tell their children, talent and hard work are neither necessary nor sufficient for economic success.”  —Robert H. Frank We are all guilty of telling tales we know to be untrue in order to encourage virtuous behavior. Parents tell their children to be good so Santa Clause will come. OSHA tells [...]

By |2019-05-23T16:10:03-05:00May 23rd, 2019|Process Safety|1 Comment

Doing HazOps the RIGHT Way!

“Watching two engineers argue is like watching pigs wallow in mud. Eventually you figure out that they do it because they like to.”  — Anonymous I’m still learning better ways to do HazOps. And since there are better ways, then what I am doing now couldn’t possibly be the best. So, what is the RIGHT [...]

By |2019-05-16T13:53:51-05:00May 16th, 2019|PHA, Procedures, Process Safety|Comments Off on Doing HazOps the RIGHT Way!

Lab Safety: A Three Phase System

“A pint of sweat will save a gallon of blood.”  George S. Patton, Jr. I intended to begin with “A good plan, well executed, is better than a perfect plan, poorly executed,” but when I checked, that’s not what General Patton said.  What he said was “A good plan, violently executed now, is better than [...]

By |2019-05-09T14:05:13-05:00May 9th, 2019|Chemicals, PHA, Procedures, Process Safety, Risk Assessment, Safety Lifecycle|Comments Off on Lab Safety: A Three Phase System

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 [...]

By |2019-04-25T13:26:41-05:00April 25th, 2019|PHA, Process Safety, Process Safety Management, Risk Assessment|Comments Off on Double Jeopardy: Impossible?
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