When only undamaged WP munitions are to be destroyed, they should not be
stacked. Place the munitions in a single layer and detonate with blocks of plastic
explosive laid end-to-end along the entire length of the layer. To ensure detonation,
the fuze wells of large projectiles (155-mm) should be primed with plastic explosive.
Leaking WP Munitions. Keep leaking WP munitions in their water-filled containers for
disposal. Those in propellant charge canisters or other small containers may be
To ensure complete destruction, a water-filled drum containing WP munitions should
be placed in the center of a four-sided stack of HE munitions.
If the barrel is full or nearly full of WP munitions, a primed haversack or two of plastic
explosive, or equivalent, should be placed on top of the WP.