But to simplify, cluster mutinous are more effective vs troops than a single large detonation. Similarly, rather than starting from a single source you want to spread the weapon from a large number of points. By comparison to 7mg/m3 a 1 metric ton weapon could ideally cover a square kilometer to a thickness of 30m and concentration of 30mg/m3.

Notably, exposure time plays a major role in lethality so covering a wider area makes it much harder to escape from.