Craft Distilleries and Microbreweries: Hatch Acts

“The faintly lit hatchway lay in the dark…like a grave yawning at judgement day in some old apocalyptic painting.”  — Cormac McCarthy One of the appeals of craft distilleries and microbreweries is that they produce small batches, so a lot of care goes into each batch. Small batches, by their very nature, require small additions [...]

By |2026-02-26T11:07:29-06:00February 26th, 2026|Craft Distillery Safety, Process Safety|Comments Off on Craft Distilleries and Microbreweries: Hatch Acts

Pressure Relief in Distilleries

“Pressure’s what you make of it.”  — Daniel Ricciardo Years ago, a colleague told me, “If the pressure is too high, it’s going to find a way to relieve. If you don’t plan for pressure relief, then you don’t get to pick how and where it relieves. And that can be disastrous.” For every piece [...]

By |2026-01-16T14:24:13-06:00January 16th, 2026|Craft Distillery Safety, Process Safety, Process Safety Management|Comments Off on Pressure Relief in Distilleries

“OSHA Says”: Making a List, Checking It Twice

“You know what’s the greatest part of anything ever in the history of everything? Exaggeration. No wait; it’s correcting yourself. No, better yet, it’s making lists.” — Demetri Martin When Google offers an AI response, it includes a statement: “AI responses may include mistakes.” That was never so obvious to me as when I posed [...]

By |2026-01-14T18:26:57-06:00December 18th, 2025|Craft Distillery Safety, Procedures, Process Safety, Process Safety Management, Workplace Safety|Comments Off on “OSHA Says”: Making a List, Checking It Twice

Process Safety in Distilleries: Electrical Classification

“To be beyond any existing classification has always pleased me.”  — Boyd Rice Every distiller understands that they are working with extremely explosive hazards. There is ethanol, a flammable liquid.  And there is milled grain, a source of combustible dust. Despite this, when I visit distilleries, I often see areas that should be electrically classified [...]

By |2025-11-06T11:07:10-06:00November 6th, 2025|Craft Distillery Safety, Process Safety, Risk Assessment, Workplace Safety|Comments Off on Process Safety in Distilleries: Electrical Classification

The PSM Standard: Are Craft Distilleries Covered?

“A rule without exceptions is an instrument capable of doing mischief to the innocent and bringing grief—as well as injustice—to those who should gain exemptions from the rule’s functioning.”  — Derrick Bell I don’t remember when I first realized that there is a difference between process safety management and Process Safety Management. Process safety—the aspect [...]

By |2025-11-06T11:11:04-06:00October 23rd, 2025|Chemicals, Craft Distillery Safety, Process Safety, Process Safety Management|Comments Off on The PSM Standard: Are Craft Distilleries Covered?

Carbon Dioxide: Silent but Deadly

“I had thought fermentation was controlled death.”  — Michelle Zauner I enjoy touring distilleries. I love seeing the process of making whiskey, but I’m usually taken aback when we get to the fermentation step. Occasionally, the fermenters are enclosed and vent to the roof. Most fermenters that I see, however, are open top vats. This [...]

By |2025-11-06T11:11:31-06:00October 2nd, 2025|Chemicals, Craft Distillery Safety, Gas, Process Safety, Workplace Safety|Comments Off on Carbon Dioxide: Silent but Deadly

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

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?

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

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
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