Flammable Liquids

Did you know the LEL of a vapor and the MEC for a combustible dust can be lower when mixed together?

A lot of folks know about flammable liquids and their vapors.  A smaller group of folks know about combustible dusts.  Yet there is a even a smaller group that knows that when a flammable vapor/gas and a combustible dusts are mixed together, both the vapor and the dust will have a LOWER LEL than if…...

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GASOLINE SAFETY – Educator’s Guide

A Community Fire and Burn Prevention Program Supported by the United States Fire Administration Federal Emergency Management Agency General Background Information Selected gasoline-related injury statistics Technical Background Fact Sheets for Community Distribution Portable gasoline containers Portable container and vehicle filling procedures Small engines and gasoline powered equipment Static electricity and gasolineAutomobile carburetors Transporting and storing…...

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Why it is IMPORTANT to have your gas can ON THE GROUND when filling it

If you have ever pumped gasoline for your vehicle, you have seen all the warning signs about static and cell phones.  I will reserve my comments about cell phones @ gas pumps causing fires, but one thing I can almost guarantee is that if your PLASTIC gas can is sitting on the carpeted floor board…...

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Class I Hazardous Locations, Static Electricity, and Flooring

In my last article, I wrote about “grounding” and the types of hazards that can be introduced into a hazardous process involving flammable liquids and gases. A worker moving through air will generate a static charge. It is our hope that this charge will go to the ground as fast as it is generated, thus…...

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Flammable Liquids… Static Generation and the floor we walk on!

Most everyone who works around flammable liquids knows about bonding and grounding; but, do workers and engineers really UNDERSTAND the principles behind bonding and grounding. In this article, I will try to explain “grounding” in very simple terms in the hopes that more workers can understand exactly what they are trying to achieve when they…...

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Statistical analysis of fires and explosions attributed to static electricity over the last 50 years

This paper presents a statistical analysis of 153 accidents attributable to static electricity in Japanese industry over the last 50 years. A more thorough understanding of their causes could help prevent similar incidents and identify hazards that could assist in the task of risk assessment. Most of the incidents occurred during operations performed by workers…....

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“Switch Loading” Flammable and Combustible Liquids is a Serious Risk that is often unknown or misunderstood

Ever needed to temporarily “change” the use of a flammable/combustible liquid storage or process tank?  The tank is designed to NFPA 30 for flammable and combustible liquids so there is no risk in this “change”?!?!?  WRONG…SWITCH LOADING is a MAJOR RISK that facilities who store, handle, or process flammable liquids need to understand, but often…...

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How much flammable liquid can I have outside of the storage room or cabinet?

Flammable or combustible liquids must be stored in tanks or closed containers. But how much flammable liquid can be outside of a flammable cabinet or storage room at any time?… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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Flammable Liquids 101 – Part A

In this article I would like to lay the foundation for future discussions on one of my favorite topics…Flammable Liquids.  I will try to explain flammable liquids at their very basic level.  There is MUCH MORE to learn about flammable liquids, but this will get us off to a good start with the fundamentals.  Let’s…...

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Forklifts in HAZLOCs

We are never quite sure how these myths get started, but my team and I hear some doosee’s from time to time.  The “myth” I am going to discuss today is one we actually see more often than not.  We see this even in facilities that have a good grasp of their Hazardous Locations and…...

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Bulk Liquefied Petroleum Gas Container Separation Distances

Most of us have a LPG tank on site and many of us have multiple tanks lined up next to each other.  As part of their “Coffee Break” training the United States Fire Administration (USFA) has just released a GREAT resource for our engineering groups to aid them when locating these LPG tanks.  Now this…...

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