“The United States is like a gigantic boiler. Once a fire is lit under it, there’s no limit to the power it can generate.” — Winston Churchill When it comes to process safety, we worry about three things: fires, explosions, and toxic releases. When it comes to worst case scenarios, the EPA requires that we [...]
“In limits, there is freedom.” — Julia Cameron There is great comfort in knowing that even the most hazardous substances have safe limits. One molecule of a substance is not enough to be hazardous. However, there is some concentration—especially for gases and vapors—that is too high to be exposed to safely. A lot of effort [...]
“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 [...]
“Pressure comes from within and so must be mastered from within.” — Ed Jacoby Ten years ago, on Friday morning, April 24, 2015, a catastrophic still failure at the Silver Trail Distillery in Hardin, Kentucky seriously injured two workers, one who died 17 days later from his injuries. They were about four gallons into a [...]
“Science explorers are like an ideal gas. They can expand to fill any volume, but they can only do work under pressure…and the pressure’s on.” — Robert Ballard Every time that someone at a process facility tells me that they use compressed gas to transfer liquids from one tank to another, I wince. It’s not [...]
“The first condition of understanding a foreign country is to smell it.” — Rudyard Kipling A few weeks ago, a lot of folks in this area found themselves obsessively scraping the bottoms of their boots. Based on the smell that seemed to be following them around, they were sure that they had stepped in something [...]
“What we see depends mainly on what we are looking for.” — John Lubbock Every chemical plant I have ever been in has these minimum requirements for personal protective equipment (PPE): hardhat, safety shoes, and safety glasses with side shields. OSHA tells us that it is the employer’s responsibility to assess the workplace for hazards [...]
“The fact is the media never gets off the interstate unless there’s a major explosion.” — Jim Harrison On Friday, March 24, 2023, shortly before 5 pm local time, an explosion leveled the R.M. Palmer Company chocolate factory in West Reading, Pennsylvania, killing seven workers. How does a chocolate factory explode? What are the explosive hazards, [...]
“The name is the thing, and the true name is the true thing. To speak the name is to control the thing.” — Ursala K. Le Guin, The Rule of Names Process safety has three concerns: fires, explosions, and toxic releases. The most ancient of these concerns is fire. Because fire has been our servant [...]
“I love to breath. Oxygen is sexy.” — Kris Carr How long can you hold your breath? One minute? Two minutes? Pearl divers have been known to hold their breaths for over 10 minutes. When we’re breathing, though, it’s at a rate of between 8 and 20 breaths per minutes. So, many find it difficult [...]
