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A balloon filled with gaseous hydrogen exploding.. A gas explosion is the ignition of a mixture of air and flammable gas, typically from a gas leak. [1] In household accidents, the principal explosive gases are those used for heating or cooking purposes such as natural gas, methane, propane, butane.
Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.
Since hydrogen is a lighter-than-air gas, it collects under roofs and overhangs (typically referred to as trapping sites), where it forms an explosion hazard. [14] Many individuals are familiar with protecting plants from heavier-than-air vapors, but are unfamiliar with "looking up", and is therefore of particular note. [33]
A gas explosion in Kenya’s capital on Thursday night killed at least three people and injured 280 others, according to authorities in the East African country.
People living near the scene of a gas explosion at a house in Leeds have said they initially feared the "almighty bang" might have been caused by a plane crash. Emergency services were called to ...
‘Safe to return’ to Middleton after digging causes gas explosion; 1 injured. Rachel Spacek, Alex Brizee. October 12, 2023 at 10:32 AM.
Airgas was founded by chairman and chief executive officer Peter McCausland in 1982, and became a publicly traded company in 1986. Through more than 500 acquisitions and internal growth, Airgas built the largest national distribution network in the packaged gas industry. [ 3 ]
Adam Fisher, a 37-year-old sales worker whose office is nearby, said he heard a “huge explosion” before witnessing “an inferno” at the site and people screaming.