Hazardous Materials

Switch Loading + Static Electricity = Fatal Burns

FACT: Most flammable liquid vapors have a Minimum Ignition Energy (MIE) of less than 1 millijoule (mJ). Most of us do not even feel static which is less than 15 mJ. So the amount of energy necessary to ignite most flammable vapor atmospheres is not even observable by humans. At 6:15 p.m. on October 30,…...

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Welding on Diesel Tank results in fatality

At 2:45 p.m. on May 31, 2024, Employee #1, 39, was performing welding work on a diesel fuel tank. During the welding process, an explosion occurred, resulting in the employee’s fatal injuries. The explosion was caused by overpressure inside the tank, which caused metal parts to be ejected. Emergency services responded to the scene, but…...

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INERT GASES – Ventilation and/or Detection?

The 2024 IFC does a nice job of defining our options for work areas where compressed gases that are ASPHYXINATS are stored or used. A client wanted to use Argon, Nitrogen, and Helium in their Labs, and we were asked if this posed a hazard. We took the “inherently safe design” option first, which is…...

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LNG Hose Failure during Ship-to-Ship Transfer (Video)

This video is an excellent visual of the expansion ratio of Liquified Natural Gas. During a transfer, a ship broke free and stretched the hose until it broke. It was all captured on cellphone video…. Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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Unsafe Cylinders Being Sold Online by Major Retailers to Consumers and HVAC Contractors (PHMSA SAFETY ADVISORY)

The Pipeline and Hazardous Materials Safety Administration (PHMSA) is issuing this safety advisory notice to request that consumers, retailers, shippers, and DOT-regulated entities ensure their cylinders containing hazardous gases are in compliance with the hazardous materials regulations (HMR; 49 CFR parts 171-180) by verifying their cylinders are marked in accordance with a DOT specification or…...

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Inert Gases pose serious hazards when not managed properly

On October 17, 2007, a wiring employee came to a press brake to get more pieces from Employee #1, a press operator. Employee #1 turned and put down a piece, collapsed to the floor, and experienced convulsions. The wiring employee panicked and asked the laser operator for help. The laser operator cleared the area. As…...

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When the “Safety Day” does not go as hoped! (N2 in a “flammable safety can”)

At 8:30 a.m. on May 24, 2018, Employee #1, 45, set up a booth representing the control laboratory for a safety day event at the plant, which involved approximately 1,000 employees, visitors, and vendors. Employee #1 wanted a fog effect at the booth to attract visitors. Employee #1 made plans to have coworker #1 get…...

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WRONG CHEMICAL – WRONG TANK (Hypochlorite to Sulfuric Acid= Cl2)

On July 12, 2024, an employee, 74, at a campground resort was attempting to add sodium hypochlorite to a bulk supply container to recharge the swimming pool. The employee added sodium hypochlorite to a container of sulfuric acid and was overcome by the vapors generated by the mixture. The employee was killed due to the…...

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Marijuana Facility Guidance

With Ohio being a state that allows recreational marijuana use, the construction of marijuana facilities has begun. The Fire Marshal in the state of Colorado created a task force to deal with the hazards of these facilities in CO. Using the International Fire, Building, and Mechanical Codes, they wrote an excellent document called Marijuana Facility…...

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Storing Category 1B Flammable Gases (e.g. Refrigerants such as HFO-1234yf)

As these flammable refrigerants take hold around the globe, the IFC, in its 2024 edition, has specified storage quantities in… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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A comparrison of Hazard Classes and Hazard Categories

Many of us have struggled to understand the differences between OSHA’s Hazard Categories and the other codes that still use Hazard Classes. Here is a helpful table that can help clarify things…. Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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Propane delivery driver charged with manslaughter

A jury trial is set for the former employee charged in the February home explosion that killed one volunteer firefighter and injured 13 more people. He is facing a felony charge of involuntary manslaughter and three other misdemeanors relating to the unlawful transfer, release, maintenance, and control of liquid petroleum gas. The worker, 67, has…...

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