Hazardous Materials

Peracetic Acid Line Break gone bad

Two employees attempted to remove a flow meter at 11:30 a.m. on February 21, 2022. As the employees began to loosen the pipe, peracetic acid sprayed out onto the employees. The employees were hospitalized to treat chemical burns to the head and neck…. Membership Required You must be a member to access this content.View Membership...

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Liquid Nitrogen freezer incident kills production lead supervisor and production supervisor

At 7:45 p.m. on December 1, 2020, Employee #1, a production lead supervisor, entered the chill/production room. She observed a cloud generating in the immediate area of the freezer tunnel. She investigated the cause of the cloud and was killed by asphyxiation. Approximately one hour later, Employee #2, a production supervisor, entered the chill/production room…....

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Hazards of filling your own LPG cylinders

At 9:00 a.m. on January 31, 2022, an employee who worked as a General Laborer fo r an Industrial Nursery was filling propane cylinders from a bulk propane tank. As the employee was finishing filling a cylinder, he began to remove the filling hose before shutting off the propane. As a result, the gas escaped…...

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Full-scale shell impact test of a dot-113c120w9 tank car filled with liquid nitrogen

On May 14, 2022, the Federal Railroad Administration (FRA) conducted a full-scale shell impact test (Test 13) of a DOT-113C120W9 (also identified as DOT-113) specification tank car at the Transportation Technology Center (TTC) in Pueblo, CO. This test was the final impact test in a planned series of four. A DOT-113 is a double-walled tank…...

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25-Ton Container of Chlorine dropped and catastrophic failure

Below is a video of a tragic accident that occurred today in Jordan’s Aqaba shipping port. A 25-Ton ISO Container of Chlorine (Cl2) (like the image to the left) was being lifted off a truck and onto a ship when somehow the container was dropped (too early to know the cause).  The video shows the…...

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Houston BC Pellet Dryer Explosion (Technical BC)

On November 25, 2020, an explosion and fire occurred at an industrial facility in Houston BC. The facility utilizes a system incorporating a large natural gas-fired air heater to dry wood fiber material for the purpose of wood pellet production. The facility had recently been experiencing issues with operating conditions with the dryer system. The…...

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Incorrect set point of LPG hydrostatic relief valve leads to explosion

A forklift operator at an industrial site was filling a liquid propane cylinder on the forklift and also heard a hissing sound. The operator then started the forklift and a flash fire explosion occurred at the forklift and propane dispensing system. The facility is an industrial wood processing plant with a propane dispensing system. Propane-fuelled…...

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“COLD” BLEVE caught on tape

Back in June of last year (2020), the city of Wenling in China experienced a tragedy that involved a COLD BLEVE of a flammable liquified pressurized gas tanker truck and a subsequent explosion killing 18 people.  We have dashcam footage of the COLD BLEVE and it is “textbook” footage of such an event – we…...

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FM Global completely re-writes the Engineering Data Sheet 7-78 Industrial Exhaust Systems

As you know, I am a huge fan of the FM Global Data Sheets and I still recommend them to all my clients.  If your business is too cheap to buy RAGAGEPs, these Data Sheets are by far your next best options as they are FREE.  And in some situations, I actually prefer the FM…...

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Fire Code, Building Code, Mechanical Code and Occupancy Classifications

When trying to assure that people will work in a safe environment, it is imperative to understand how a building is intended to be used. The code classification system for buildings is therefore based upon how the building is intended to be used. The safety of building occupants cannot be assured if only the construction…...

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When is a “gas detection” or “oxygen depletion alarm” system required?

We often get asked: Do I neet to install a gas detector in the room? Well, it’s pretty easy in my state, as in most cases we have dealt with, the state fire/HAZMAT code required it.  The code includes basic requirements for ALL gas detection systems and covers: construction documents, equipment, power connections, emergency and…...

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Thinking of buying a Hydrogen Powered vehicle?

A few years ago I was asked to participate in a hazard assessment for a manufacturer who wanted to review the procedure for hydrogen-powered vehicles to be freed of hydrogen gas.  I got the feeling very early into this hazard assessment that those in the room knew about an event of some type, but wanted…...

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