Firedamp is explosive at concentrations between 4% and 16%, with most explosions occurring at around 10%, and caused much loss of life in coal mines before the invention of the Davy lamp.
Firedamp is explosive at concentrations between 4%. This is with most explosions occurring at around 10%. Firedamp is explosive at concentrations between 16%. This is with most explosions occurring at around 10%. Firedamp caused much loss of life in coal mines before the invention of the Davy lamp.