5lb MEKPAN
30ft away. Methyl ethyl ketone peroxide/ammonium nitrate.
"This was by far the largest HE charge I've set off. About 5 pounds of ammonium nitrate (NH4NO3) sensitized with 600mL of MEKP and detonated with about 45g of AP. A few grams of the AP were in a homemade electrical detonator and about 40 grams were in the "booster" charge. I'm sure far less AP would have worked, but I wanted to be sure because the AN was old and had a lot of rat poop in it..."
EP