Which factor determines safety distances and procedures in munition safety planning?

• A. Color of the label.
• B. Manufacturer country.
• C. Net Explosive Weight (NEW) of the munition.
• D. Time since manufacture.

Answer: (C)

Safety distances and procedures are driven by how much energetic material could be released in a detonation. Net explosive weight represents the actual explosive content inside a munition, excluding casings and inert components. This amount determines the potential blast overpressure, fragmentation, and thermal effects, which set the hazard radii you must respect during planning. The larger the NEW, the larger the required safe distances and more stringent handling procedures.

Labels, country of manufacture, or time since manufacture don’t establish the blast hazard size or the protective boundaries. Label color is just identification, country doesn’t influence the physics, and age might affect reliability in some cases but isn’t the primary driver for safety distances.