EE WAS LIGHTING A LP BURNER THAT IS INSTALLED THRU THE BOTTOM OF A SCREEN DECK (FOR DRYING MUD CAKED ON THE SCREENS). THE TORCH FAILED TO LIGHT, SO THE EE WENT TO GET A NEW STRIKER, BELIEVING HE WAS ALLOWING ENOUGH TIME FOR GAS TO DISSIPATEH. THE MUD BUILDUP ON THE SCREENS DID NOT ALLOW FOR THE GAS TO DISSIPATE, AND UPON RETURNING AND ATTEMPTING TO LIGHT THE TORCH, THE BUILDUP OF G