Combustible Dust: Probability of Ignition

“Before the first atomic bomb test, scientists took the time to calculate whether the blast would ignite the nitrogen in the Earth’s atmosphere and incinerate us all. The risk was low and the test went off, but Rees wonders what the odds would have had to be to discourage the bomb makers.”  — Dennis Overbye [...]

By |2025-10-30T10:55:47-05:00October 30th, 2025|Process Safety, Process Safety Management, Workplace Safety|Comments Off on Combustible Dust: Probability of Ignition

Missing in Tennessee: Victims of the AES Munitions Plant Explosion

“At this time, we have not located any survivors.”  — Chris Davis, Humphreys County Sheriff Not long ago, I was at a plant to facilitate a HazOp and LOPA for one of their processes. As is usually the case, my visit included going out to the process, accompanied by my host—an engineer from one of [...]

By |2025-10-16T13:35:07-05:00October 16th, 2025|Current Events, Workplace Safety|Comments Off on Missing in Tennessee: Victims of the AES Munitions Plant Explosion

Hot Potato

“More often than not, to blame someone else is to play ‘hot potato’ with something that’s neither hot nor a potato.”  — Craig D. Lounsbrough Imagine you work at a plant that makes a polymer. One of the raw materials is the monomer and it is toxic, reactive, and flammable. It contains an inhibitor to [...]

By |2025-09-18T09:55:07-05:00September 18th, 2025|Procedures, Process Safety, Workplace Safety|Comments Off on Hot Potato

Confined Spaces: Even in Craft Distilleries and Microbreweries

“I have a horror of being in confined spaces.”  — Hayley Mills At a craft distillery that is not too far from Bluefield’s offices, the owner spoke about his need to climb into the pot still to clean out the stillage, especially the spent grains. He saw me wince and said, “Yeah, I know. It’s [...]

By |2025-11-06T11:12:04-06:00September 11th, 2025|Craft Distillery Safety, Procedures, Process Safety, Workplace Safety|Comments Off on Confined Spaces: Even in Craft Distilleries and Microbreweries

Combustible Dust Hazards: Horizon Biofuels

“Anyone can see a forest fire. Skill lies in sniffing the first smoke.”  — Robert A. Heinlein One of my children has a house in The Ville, the neighborhood in north St. Louis that a tornado ripped through in May 2025. Since that tornado, I’ve become adept with a chainsaw, cutting into firewood the felled [...]

By |2025-09-04T09:39:38-05:00September 4th, 2025|Current Events, Process Safety|Comments Off on Combustible Dust Hazards: Horizon Biofuels

Clairton Coke Works: Time to Close?

“Obsolescence is a factor which says that the new thing I bring you is worth more than the unused value of the old thing.” – Charles Kettering I am the blacksmith at a historic village. I burn coke, coke I make right there on the forge. I start by laying bituminous coal around the coke [...]

By |2025-08-21T15:09:20-05:00August 21st, 2025|Current Events, Workplace Safety|Comments Off on Clairton Coke Works: Time to Close?

Bad Chemistry: Mixing Cleaning Products

“Ignorance is not too dangerous. If you combine it with power, then this is a toxic mix.”  — Yuvai Noah Harari Not surprisingly, eighteen of the thirty incidents in Volume 3 of the Chemical Safety Board’s series on incident reports addressed incidents at refineries and large chemical complexes. One incident in Volume 3, though, was [...]

By |2025-11-06T11:13:32-06:00August 14th, 2025|Chemicals, Craft Distillery Safety, Process Safety, Workplace Safety|Comments Off on Bad Chemistry: Mixing Cleaning Products

Hot Work: Explosion and Fire in Tequila, Mexico

“Tastes like heaven, burns like hell.” — Fireball slogan Tequila is a far cry from the cloying cinnamon-flavored spirit called Fireball. But they both have one thing in common: they burn like hell. Literally. As do all spirits. For reference, the flash point of 80 proof (40% ABV) spirits, is 26 C (79°F), meaning [...]

By |2026-01-14T18:58:56-06:00July 24th, 2025|Chemicals, Craft Distillery Safety, Process Safety, Workplace Safety|Comments Off on Hot Work: Explosion and Fire in Tequila, Mexico

Incidents: Under Reporting

“Complaints are prayers to the wrong god.”  — Anne Lamott We live in a culture that actively discourages reporting problems. We’re told “Complain less, appreciate more,” “No one likes to listen to complaints,” and “Never complain and never explain.” And extreme cases, we’re reminded that “Snitches get stitches.” Yet there are dozens of requirements to [...]

By |2025-06-26T16:21:29-05:00June 26th, 2025|Procedures, Process Safety, Process Safety Management, Workplace Safety|Comments Off on Incidents: Under Reporting

Tank Truck Relief Valves: Accept Them As Layers of Protection?

“The ancient Greeks and Romans also held the view that acceptance is the beginning of wisdom.”  — Simon Van Booy PHA teams often face the question of whether to address tank truck loading and unloading. On the one hand, trucks in transit are under the jurisdiction of the U.S. Department of Transportation (DOT), not the [...]

By |2025-07-03T14:57:02-05:00June 20th, 2025|PHA, Process Safety, Workplace Safety|Comments Off on Tank Truck Relief Valves: Accept Them As Layers of Protection?
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