Safety Info Posts

OSHA issues LOI regarding Recordkeeping Software

Question: Would OSHA accept the documents generated by our software as a substitute for the OSHA Form 300 and Form 300A to meet the requirements of OSHA’s recordkeeping regulation at 29 CFR Part 1904? Response: If the forms generated by your company’s software meet the requirements for equivalent forms at 29 CFR 1904.29 and 1904.32,…...

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LPG Cylinders for PITs require a 12-year requalification – MANY do NOT get them

I have seen a cost savings trend that is increasing risks in a big way. It may seem minor to those who do not understand risk, but using a pressure cylinder without it being inspected and tested at its prescribed frequency is a serious safety miss. Usually, these risks are controlled somewhat when the facility…...

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My Evaluation of the CNC Machine as a CS/PRCS

So I posed the question to over 30,000 safety pros across my LinkedIn and Facebook groups and SAFTENG members, and as I suspected, there was a lively debate on this matter. I have received numerous requests to break down the evaluation like I have done for other “tricky” spaces that fall outside the traditional CS/PRCS…...

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UPDATE: Massive Container Explosion Was Caused By Self-Heating Chemical Cargo (Runaway Reaction of tert-butyl perbenzoate (TBPB)

According to China’s Maritime Safety Administration (CMSA), the shipping container explosion aboard the box ship YM Mobility at Ningbo in 2024 was caused by thermal runaway in a cargo of organic peroxides. The container in question was a refrigerated shipping container filled with tert-butyl perbenzoate (TBPB), a common activator for making plastics like polyethylene and polyester. It…...

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UPDATE: Massive Container Explosion Was Caused By Self-Heating Chemical Cargo (Runaway Reaction of tert-butyl perbenzoate (TBPB) Read More »

Origin and Development of NFPA 660 – Standard for Combustible Dusts and Particulate Solids

This edition of NFPA 660 was approved as an American National Standard on December 6, 2024. NFPA 660 was written by consolidating the requirements of NFPA 652, Standard on the Fundamentals of Combustible Dust; NFPA 61, Standard for the Prevention of Fires and Dust Explosions in Agricultural and Food Processing Facilities; NFPA 484, Standard for…...

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Is a large CNC Machine a PRCS?

The image below is just one I found on the internet, but it is a good representation of the ones I have seen and worked with. Today, during an audit, I was asked by the EHS pro, if I thought there large CNC machines were Confined Spaces/Permit-Required Confined Spaces. At first, I said I did…...

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Ammonia Refrigeration & PSM Contractor Qualification, Training Edition

Most companies will go to some degree of lengths in selecting “qualified” contractors to include things such as job examples, a list of qualifications, require subscription to the ISN network, etc. Even then, though, sometimes bad apples slip through the cracks if the company needing a “qualified” contractor doesn’t develop a scope or set of…...

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Overfilling LPG Cylinders

Recently, I shared the investigation results of the fatal LPG explosion in Hillsboro, OH. The cylinder had been overfilled, leading to its catastrophic failure, which then led to LPG gas finding an ignition source in the car repair garage and exploding. I took some flak for stating that I have seen overfilling of LPG cylinders…...

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Example of “Highly Toxic” and the fatal event (OSHA)

The term “Highly Toxic” has been codified in the IFC as: A material which produces a lethal dose or lethal concentration which falls within any of the following categories: 1. A chemical that has a median lethal dose (LD50) of 50 milligrams or less per kilogram of body weight when administered orally to albino rats…...

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Safety Thought of the Week… be as inquisitive as a 5-year old

I used this humorous video to open my casual analysis training. Every parent has been there, but our kids’ curiosity is great. It’s how they LEARN. Sure, they may not understand all they are hearing (the same goes for adults in accident investigations), but that curiosity is what we need when leading a causal analysis…...

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