SIS and the Bathtub Curve

“When I was young, I would sit in the bath and ideas would come to me. But I’m not young anymore, so now I just sit in the bath.”  — Aki Kaurismaki “We’re installing a safety instrumented system in our existing process. Do we have to pull out all the existing instruments and replace them [...]

By |2021-07-01T14:57:47+00:00July 1st, 2021|Process Safety, Process Safety Management|Comments Off on SIS and the Bathtub Curve

How Much Credit for Alarms?

“Morning comes whether you set the alarm or not.”  — Ursula K. Le Guin Late one evening a few months after we moved into our offices on Cherokee Street, the alarm went off. My home is nearby, and I got there within a couple of minutes to discover that one of the doors had been [...]

By |2021-06-24T14:49:47+00:00June 24th, 2021|PHA, Procedures, Process Safety, Process Safety Management|Comments Off on How Much Credit for Alarms?

Storage Tanks: Labeling Requirements

“Don’t rely too much on labels, for too often they are fables.”  — Charles Spurgeon Trick question: “What does PSM require for storage tank labeling?” Trick answer: “Nothing.” Helpful answer: “OSHA doesn’t require storage tank labeling under the Process Safety Management (PSM) standard, 29 CFR 1910.119. It does, however, have requirements for storage tank labeling [...]

Slightly Flammable? Low GWP Refrigerants and PSM

“You can’t get a little bit pregnant, son.”  — Hal Holbrook as Lou Mannheim in Wall Street, (1987) A whole new group of processes are about to become PSM-covered. Maybe. Some HVAC contractors have begun warning their customers that the new low-GWP refrigerants that they must switch to are “slightly flammable”, so may come under [...]

By |2021-05-13T14:04:07+00:00May 13th, 2021|Current Events, Gas, Process Safety, Process Safety Management|Comments Off on Slightly Flammable? Low GWP Refrigerants and PSM

DHAs: An OSHA Requirement?

“Speed limit 55. It’s not just a good idea. It’s the law.”  — Advertising Council and U.S. Department of Transportation (1977) Ever since the National Fire Protection Association (NFPA) published the 2019 Edition of NFPA 652, Standard on the Fundamentals of Combustible Dust, which states in §7.1.1.2 that a Dust Hazard Analysis (DHA) must be [...]

By |2021-04-29T16:43:06+00:00April 29th, 2021|Combustible Dust, Process Safety, Process Safety Management|Comments Off on DHAs: An OSHA Requirement?

The Next Thing You Know: PSM-Covered Warehousing

“On the first day of school, you got to be real careful where you sit. You walk into the classroom and just plunk your stuff down on any old desk, and the next thing you know the teacher is saying, ‘I hope you all like where you’re sitting, because these are your permanent seats.’”  — [...]

By |2021-04-22T15:39:29+00:00April 22nd, 2021|Chemicals, Process Safety, Process Safety Management|Comments Off on The Next Thing You Know: PSM-Covered Warehousing

Just Paint? Fire and Explosion in Ohio

“Never underestimate the power of a fresh coat of white paint.”  — Jeremiah Brent Shortly after midnight on Thursday, April 8, there was a fire and explosion at the OPC Polymers unit of the Yenkin-Majestic Paint facility in Columbus, Ohio. One employee died, five employees were hospitalized, and four others were also injured. “But it’s [...]

By |2021-04-15T18:05:18+00:00April 15th, 2021|Chemicals, Current Events, Process Safety, Process Safety Management|Comments Off on Just Paint? Fire and Explosion in Ohio

Don’t Want No Static

“Electricity can be dangerous. My nephew tried to stick a penny into a plug. Whoever said a penny doesn’t go far didn’t see him shoot across that floor. I told him he was grounded.”  — Tim Allen When I was fresh out of grad school, I had a job in process development. One project involved [...]

By |2021-03-18T13:47:50+00:00March 18th, 2021|Combustible Dust, Process Safety, Process Safety Management|Comments Off on Don’t Want No Static

Combustible Dust Tests: Now What?

“We have first raised a dust and then complain we cannot see.”  — George Berkeley You don’t need to be convinced that combustible dusts are hazardous. You’ve seen the photographs of demolished grain elevators, of the Imperial Sugar plant in Port Wentworth, Georgia looking like the Dresden firebombing in World War II. You’ve heard about [...]

By |2021-03-11T15:42:42+00:00March 11th, 2021|Combustible Dust, Process Safety, Process Safety Management, Risk Assessment, Workplace Safety|Comments Off on Combustible Dust Tests: Now What?

Process Safety Beyond the Fence Line

“I’m an actor… I do a job and I go home. Why are you interested in me? You don’t ask a truck driver about his job.”  — James Gandolfini I’ve been struck recently by how much we don’t talk about process safety once the hazardous chemicals we make have been loaded and shipped. Process Hazard [...]

By |2021-02-18T17:00:43+00:00February 18th, 2021|Chemicals, PHA, Process Safety, Process Safety Management|Comments Off on Process Safety Beyond the Fence Line
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