Acetylene and 15 psig and laying down on the job
Many have seen a gauge such as the one below. It will be on an Acetylene Cylinder. But how many know why the gauge scale is RED in color from 15 psig and higher?
The crazy things we see with the NFPA 704 Diamond
What PPE do you wear for a leak behind this door? What is the primary hazard that causes you the most concern? We see so many failures with the NFPA 704 Diamond. From them being applied as a square, rather than a diamond. We see them applied upside down. We see numbers larger than 4.
Is a hazard review synonymous with a process hazard analysis (PHA)?
The prevention program requirements under 40 CFR Part 68, Subparts C and D, include hazard reviews and process hazard analyses. Is a hazard review synonymous with a process hazard analysis (PHA)? No. A hazard review is different from a PHA. A hazard review is part of the Program 2 prevention program (40 CFR §68.50).
OSHA cites 3 companies after H2S gas exposure fatally injures six (6) workers at Colorado dairy farm
Prayers and RIP After all the media reporting, it seems this was NOT a PRCS incident. OSHA mentions a “pump room” and they failed to issue any PRCS citations so my best guess is this was NOT a PRCS incident. But this was another H2S exposure incident which claimed six (6) lives. OSHA has cited
Seeing Static in action igniting flammable vapors (Graphic Video)
Another video has surfaced, showing what static electricity can do in the presence of flammable vapor. The video below actually catches the static discharging as the vessel does not appear to be grounded. This is another transfer gone bad. Open top container. It does appear the operator has the hose down inside the tank, but
Transferring Non-Conductive Flammable Liquids (GRAPHIC video)
So what are we seeing in this video, other than the tragic loss of life? I can say without knowing the specifics that he was transferring a FLAMMABLE liquid. That flammable liquid was most likely a NON-CONDUCTIVE flammable liquid. Several serious failures in what we are seeing:1) SPLASH FILLING is a NO-NO in any flammable
SAFE UPPER LEVEL matters (Overfilling LPG container)
Overfilled propane tank causes evacuations, road closures in Littleton Fire crews in Littleton responded to a propane leak on Pike Avenue on Friday. The Fire Department said a resident called after hearing a “pop” and a loud roaring sound from a propane tank. Officials confirmed the tank was venting and that gas could be smelled
OSHA issues $257K in PRCS citations (2 entrants died from H2S)
An OSHA investigation found numerous safety hazards at a worksite where workers were exposed to sewage gases, resulting in two (2) fatalities. Investigators found that on Aug. 11, 2025, three workers were installing and repairing sewer lines inside a manhole when they were overcome by sewer gas and became unresponsive. One (1) worker regained consciousness and
CSB issues report on FATAL Line Break Gone Bad (H2S)
The U.S. Chemical Safety and Hazard Investigation Board (CSB) today released its final investigation report into the fatal October 10, 2024, release of toxic hydrogen sulfide (H2S) at a Refinery in Deer Park, Texas. Two (2) contract workers died as a result of exposure to the toxic gas, 13 others were transported to local medical
Explaining the catastrophic failure of the LPG Tanker in Chile (2 Videos)
FIRST: RIP and Prayers to the truck driver and three (3) citizens who lost their lives in this event. We wish a full and speedy recovery to the 17 that we seriously injured, five (5) of whom have life-threatening injuries. This week, we saw a catastrophic failure of an LPG tanker truck in Chile (see
ANSI Z244 now addresses Line/Equipment Opening (LEO) and Energy Isolation for these tasks
My hat is off to the ANSI Z244 committee for dipping their toes into Line Break/Equipment Opening (LEO) hazards and how energy isolation plays a key role in completing this very hazardous tasks SAFELY. They are the first group to even touch the LEO topic. And although it is a brief discussion; it is an
H2S claims two (2) lives in PRCS (1 entrant & 1 would-be rescuer)
RIP 🙏 Two young men, 20 & 21, die from hydrogen sulfide gas exposure during a well cleaning job. Three others were hospitalized. They were working at a recently sold home when a chemical reaction created deadly hydrogen sulfide gas in the confined space beneath the home’s porch. The workers were using muriatic acid to