"Physicians are concerned people will smell gas, pull out their AtroPen and start treating themselves, " says Allswede.
"He remembered the smell of gas, the explosion and the roof collapsing, " Chadwick said.
Indeed, the smell of gas was very strong in the area hours after the blast.
"The smell of gas in Israel has driven people crazy, " he says.
Large mechanical rollers shape pool-cue sized rods of silver, there's the sound of metal being worked, and the smell of gas in the air.
People in the area called 911 to report the smell of gas or oil, but the emergency responders didn't find the leak, and were unaware of the pipeline in the area, the report found.
There was the smell of leaking gas.
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The Marine medic then said that nerve gas is tasteless, smell-less and invisible.
The gas is mercaptan, added to natural gas to give it a smell.
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In the case of natural gas, the odor you smell is mercaptans organic chemicals with distinctive odors that make leak detection possible.
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Sepa said the source of the smell is believed to be a faulty gas extraction system at the West Carron Landfill.
The smell grew stronger through the day, and a gas company employee entered the medical office just before 6 p.m. recommending that it be evacuated, he said.
Nitrogen tetroxide is a reddish-brown gas at room temperature and has a "pungent, sweetish" smell, according to experts.
The smell has been identified as that of mercaptan, the chemical added to natural gas to give it an odour.
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The sky just lit up in orange and red, " he said, "We could smell something in the air, we didn't know if it was gas or smoke.
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