Flammable Gases

Did NFPA 30 or 77 ever refernce 25 Ohm resistance?

Neither NFPA 30 nor NFPA 77 specifies a 25-ohm resistance threshold for metal-to-metal bonding and grounding circuits, and neither document has a history of endorsing 25 ohms for equipment and piping bonds. Instead, the confusion regarding “25 ohms” typically stems from a crossover with a completely different code:

Harris County jury awarded $61.5 million to 24 families from the Watson’s Explosion in 2020

DISCLAIMER: I am not an attorney and would not even play one on TV, but I have stayed at a Holiday Inn Express! I was shocked to hear that a Harris County jury has returned a $61.5 million verdict against 3M for families devastated by the 2020 Watson Grinding explosion in West Houston. The explosion

CSB Issues Final Report on August 2025 Fatal Coke Oven Gas Explosion

Today, the U.S. Chemical Safety and Hazard Investigation Board (CSB) released its final report on the fatal August 11, 2025, explosion at the Coke Works facility in Clairton, Pennsylvania. The incident occurred when toxic flammable coke oven gas was released and exploded — fatally injuring two people, injuring 11 others, five of them seriously, and

Using an electric grease gun in the presence of Butane/LPG killed a 20-year-old maintenance worker (Flare not used, Butane released to atm)

On September 16, 2024, a 20-year-old male wash bay attendant (victim) attempted to utilize an electric grease gun to apply grease to the rear axle of a liquid petroleum gas (LPG) tank trailer. As the victim activated the grease gun, a spark ignited the butane gas that was actively escaping the cargo tank, instantly engulfing

When your “life safety equipment” inspector is violating your HAZLOC requirements!

PLEASE ensure your “life safety” contractor inspector for Exits, Fire Extinguishers, EW/SSs, etc., is FULLY trained on the hazards of the area(s) they will be working in. This year, we have found two (2) national companies that provide these inspection services using electronic devices NOT rated for the hazardous areas where they are working. We

Worker burned after safety failures triggered a violent LPG release at a shipping terminal

A ship’s engineer sustained cold burns to 10–13% of his body surface after liquid propane was released without warning in the early hours of 1 November 2018 during loading operations. A flammable gas cloud could have resulted in a catastrophic explosion if ignited. The worker was treated at the hospital and subsequently repatriated to Russia,

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