About Mike Schmidt

With a career in the CPI that began in 1977 with Union Carbide, Mike was profoundly impacted by the 1984 tragedy in Bhopal and has been working on process safety ever since.

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

Ethanol: What Are the Limits?

“Ventilation is the profound secret of existence.”  — Peter Sloterdijk Most people, when hearing about the legal limits of ethanol, will think of Blood Alcohol Concentration (BAC). Except for Utah, where the BAC limit for driving is 0.05%, the BAC limit in the United States is 0.08%. That applies to drivers that are 21 years [...]

By |2025-11-06T11:12:56-06:00August 28th, 2025|Chemicals, Craft Distillery Safety, Process Safety|Comments Off on Ethanol: What Are the Limits?

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

CSB Incident Reports: Volume 3

“We must be part of the general staff at the inception, rather than the ambulance drivers at the bitter end.”  — Lane Kirkland Despite being established under the authority of the Clean Air Act Amendments of 1990, which has not been repealed, the Trump administration intends to discontinue funding the Chemical Safety Board as of [...]

By |2025-08-07T11:01:32-05:00August 7th, 2025|Current Events, Process Safety, Process Safety Management, Workplace Safety|Comments Off on CSB Incident Reports: Volume 3

Process and Product Safety: Contaminants

“All happy families are alike; each unhappy family is unhappy in its own way.”  — Leo Tolstoy, in Anna Karenina I once worked with a facility that discharged process equipment cleaning water to the city sewer. They had a tough time staying below the discharge limits for copper. In turned out that the city water [...]

By |2025-11-06T11:14:13-06:00July 31st, 2025|Chemicals, Craft Distillery Safety, PHA, Process Safety|Comments Off on Process and Product Safety: Contaminants

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

Spilt Whiskey: What a Waste

“You have to be prepared to take a spill.”  — Shaun White Not long ago, a friend and I were watching a movie where one of the characters, despondent and bereft, stumbled down the street while clutching a bottle of spirits. As the character unlocked the door to his home, the bottle slipped from his [...]

By |2025-11-06T11:15:06-06:00July 17th, 2025|Chemicals, Craft Distillery Safety, Process Safety, Workplace Safety|Comments Off on Spilt Whiskey: What a Waste

Recordkeeping for Process Safety: Permit Retention

“A memorandum is not to inform the reader but to protect the writer.”  — Dean Acheson A reader asked me “How long do I need to keep confined space entry permits for a covered process?” He knew my thoughts on retaining hot work permits and wondered if the same approach applied to other permits in [...]

By |2025-07-10T09:32:30-05:00July 10th, 2025|Procedures, Process Safety, Process Safety Management|Comments Off on Recordkeeping for Process Safety: Permit Retention
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