Check-out any Single-base propellant MSDS, it usually has the following indications:
WATER RELEASE:
This material is heavier than water. Create an overflow dam with filtration capabilities to retain material.
Divert water flow or stop if possible. Gather wet material using non-sparking or plastic utensils.
Keep material damp until ready for disposal.
LAND SPILL:
Clean up of spill materials may be accomplished using non-sparking or plastic utensils. Wear nonflammable
or flame retardant clothing at all times. Wet all spill materials prior to initiating clean up
procedure.
Material may best be destroyed by controlled open burning in small quantities (maximum about 1 pound)
in piles not over 1 inch deep. Use an ignition train of slow-burning, combustible materials to permit
retreat to a safe distance before powder is ignited. Stay upwind, do not breathe products of combustion.
Burn only with permission of all appropriate regulatory agencies.
WASTE DISPOSAL:
If this product becomes a waste, it meets the criteria of a hazardous waste as defined under 40 CFR 261
and would have the following EPA hazardous waste number: D003
If this product becomes a waste, it will be a hazardous waste which is subject to the Land Disposal
Restrictions under 40 CFR 268 and must be managed accordingly.
If this material becomes a waste, it can be disposed by controlled open burning in small quantities, as
described above, with proper local agency authorization.
CARE MUST BE TAKEN TO PREVENT ENVIRONMENTAL CONTAMINATION FROM THE USE OF THIS MATERIAL. THE USER HAS THE RESPONSIBILITY TO DISPOSE OF UNUSED MATERIAL, RESIDUES AND CONTAINERS IN COMPLIANCE WITH ALL RELEVANT LOCAL, STATE AND FEDERAL LAWS AND REGULATIONS REGARDING TREATMENT, STORAGE AND DISPOSAL FOR HAZARDOUS AND NONHAZARDOUS WASTES.