Do not transfer the powder from an approved container into one which is not approved. Check old powders for deterioration regularly. Destroy deteriorated powders immediately. Do not store all your powders in one place. If you can, maintain separate storage locations.
Many small containers are safer than one or more large containers.
Clean up spilled powder promptly. 10-3.4 Commercial shipments of smokeless propellants in quantities not exceeding 100 lb. 10-3.6 Smokeless propellants shall be stored in shipping containers specified by U. S. Department of Transportation Hazardous Materials Regulations. The warehouse or storage room shall not be accessible to unauthorized personnel. Smokeless propellant shall be stored in nonportable storage cabinets having wood walls at least 1 inc.