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

A+: What Is A Perfect PHA?

“Perfection is not attainable, but if we chase perfection, we can catch excellence.”  — Vince Lombardi I don’t believe that I have ever facilitated a perfect PHA. The question is, how would I recognize it if it was perfect? And would others agree? What exactly is a perfect PHA? A PHA Identifies Hazards The primary [...]

By |2025-05-08T16:39:47-05:00May 8th, 2025|PHA, Process Safety, Process Safety Management, Recommendations|Comments Off on A+: What Is A Perfect PHA?

“OSHA Says”: Thermal Exposure

“If you can’t take the heat, get out of the kitchen.”  — Harry S. Truman For decades, I’ve told people that OSHA requires thermal protection on surfaces over 140°F (60 C) up to a height of 7 feet. People just accepted that because a) I was the expert and b) it made sense. Recently, though, [...]

By |2025-05-23T13:13:02-05:00April 10th, 2025|PHA, Process Safety, Risk Assessment, Workplace Safety|Comments Off on “OSHA Says”: Thermal Exposure

Process Safety: On the Bourbon Trail

“Devils drinking devils and the flames are getting higher. All of Bardstown’s crying tonight, Heaven Hill’s on fire.”  — Shannon Lawson, The Galoots Chris Schmidt and I recently returned from a week-long trip to Kentucky to enjoy the countryside and to sample bourbons from some of the 46 distilleries on the Kentucky Bourbon Trail. As [...]

“It’s Probably Water”: Is That Good Enough?

“You can’t trust water. Even a straight stick turns crooked in it.”  — W. C. Fields ChrisSchmidt and I recently visited several distilleries on Kentucky’s Bourbon Trail. After tasting one particularly strong whiskey, she reached for a tall glass of clear liquid to chase it down. “Yeah, that’s probably water,” said our tasting guide, hinting [...]

By |2025-03-27T08:31:27-05:00March 27th, 2025|Chemicals, Process Safety, Process Safety Management, Workplace Safety|Comments Off on “It’s Probably Water”: Is That Good Enough?

Gambling With Safety: Acceptable Risk vs. Tolerable Risk

“How often misused words generate misleading thoughts.”  ‑ Herbert Spencer I once worked for an organization where senior managers freely expressed their differences of opinion. Often, they would dismiss a colleague’s position, saying, “That’s just semantics.” It became easy for me to conclude that semantics, the meaning of words and statements, were trivial. I know better [...]

By |2025-03-06T10:09:11-06:00March 6th, 2025|PHA, Process Safety, Process Safety Management, Risk Assessment|Comments Off on Gambling With Safety: Acceptable Risk vs. Tolerable Risk

Occupational Noise: Is Hearing Protection Enough?

“Unnecessary noise is the most cruel absence of care that can be inflicted on the sick or the well.”  — Florence Nightingale I grew up in an age of loud rock ‘n roll. I, like one in six people of my generation, suffer some hearing loss. To save the hearing that I still have, I [...]

By |2025-02-06T09:54:11-06:00February 6th, 2025|Recommendations, Risk Assessment, Workplace Safety|Comments Off on Occupational Noise: Is Hearing Protection Enough?

Process Safety Concerns: Lithium-Ion Battery Recycling

“Recycling lithium-ion batteries is a complex and inherently risky process.”  — Brian O’Connor, NFPA Recently, a lithium-ion battery-powered Cybertruck exploded outside of the Trump International Hotel in Las Vegas. It wasn't the Li-ion batteries that exploded, though. It was a cargo of fuel and fireworks. In the case of the Li-ion battery recycling plant in [...]

By |2025-01-08T09:15:00-06:00January 2nd, 2025|Chemicals, Current Events, Process Safety, Process Safety Management, Workplace Safety|Comments Off on Process Safety Concerns: Lithium-Ion Battery Recycling

Risk Management: Are Hurricanes Really Getting More Frequent?

“The head of the hurricane research division, Hugh Willoughby, told me that hurricanologists can predict the behavior of storms if those storms behave predictably.”  — Erik Larson Hurricane season is officially from June 1 to November 30, so it’s not officially over yet. A look at the Atlantic, however, shows no tropical depressions developing and [...]

By |2024-11-22T13:05:43-06:00November 22nd, 2024|Current Events, PHA, Process Safety Management, Risk Assessment|Comments Off on Risk Management: Are Hurricanes Really Getting More Frequent?
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