Liquid methane is not explosive. It has to be gaseous within its explosive limits of about 14 - 16% by volume in the air.
dang it.
4% - 16% approx.
we regret the error.
“Methane is an explosion hazard in enclosed areas. Liquefied Methane floats on water and boils. The vapor cloud produced is FLAMMABLE.”
“The main hazard is its flammable, explosive nature. Methane is extremely difficult to detect without gas detection instruments because it is odorless, but it should be anticipated as being present in all manure storage areas. Some systems for storing the manure are more dangerous than others.”
https://nasdonline.org/48/d001616/manure-gas-dangers.html
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