Massachusetts gas line explosion

What causes gas lines to explode?

A gas explosion occurs when there is a gas leak in the presence of a spark or flame. Gases such as natural gas , methane, propane and butane are the most common types of gases to cause explosions because they are commonly used for heating purposes.

Can a gas leak explode?

The most common cause of explosions and fires associated with gas leaks is a mechanical failure of the gas containing equipment. When the failure occurs, the gas can leak creating fumes that ignite, causing explosions and fire.

What caused the Merrimack Valley Gas explosions?

On September 13, 2018, excessive pressure in natural gas lines owned by Columbia Gas of Massachusetts caused a series of explosions and fires to occur in as many as 40 homes, with over 80 individual fires, in the Merrimack Valley , Massachusetts, towns of Lawrence, Andover, and North Andover.

Can natural gas explode?

A gas explosion is an explosion resulting from mixing a gas , typically from a gas leak, with air in the presence of an ignition source. In household accidents, the principal explosive gases are those used for heating or cooking purposes such as natural gas , methane, propane, butane.

How often do gas lines explode?

There have been 135 excavation accidents involving pipelines carrying hazardous liquids, such as gasoline or crude oil, over the last 10 years, according to Carl Weimer, executive director of the Pipeline Safety Trust, an industry watchdog group. That’s roughly one a month.

What happens if a gas line breaks?

If you do break a gas line , follow these tips: Move away from the site. Extinguish any flames, including cigarettes. Immediately call your utility company’s emergency number or 911.

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Can a gas leak in your house kill you?

Even if it doesn’t ignite, a natural gas leak can , at certain levels, kill you through suffocation. In much the same manner that carbon monoxide can kill by preventing the body from absorbing oxygen, natural gas or LP gas in the air at high concentrations can have the same effect.

What is the most explosive gas?

TNT . One of the most commonly known explosive chemicals is trinitrotoluene, or TNT , which has featured extensively in video games and films.

How do you know if you have a natural gas leak?

When you ‘re looking for gas leak signs in your home, keep in mind that it might not have physical signs or smells. You can find a damaged gas pipe, dead houseplants, and if a smell is present, it’ll be rotten eggs and sulfur. Near the gas line, you might see a white or dust cloud, and a whistling or hissing sound.

How much natural gas is dangerous?

If you have a gas stove, there are about five to 15 parts per million of natural gas in the air inside your home. More than 30 parts per million crosses into dangerous levels of natural gas and indicates a faulty stove.

At what ppm can you smell natural gas?

At concentrations between 10 – 750 ppm H2S becomes increasingly toxic. It is deadly to humans in concentrations of greater than 750 ppm . Most people can smell the distinctive ‘rotten eggs’ odour of the gas at concentrations between 0.1 and 0.3 ppm .

How dangerous is natural gas?

The danger happens when natural gas leaks out. It is dangerous because natural gas is flammable, which means that if there’s a flame or even a spark in the area of a leak, it could cause a fire or explosion. A natural gas leak can happen if a gas pipe is damaged or a fitting is loose.

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