When does MM become WMM?

The transition of Military Munitions (MM) to Waste Military Munitions (WMM) involves several critical factors under the regulations concerning hazardous materials. MM is classified as WMM when it is determined to be hazardous based on a variety of conditions, which can include specific assessments regarding their potential impact on human health and the environment.

The statement that MM becomes WMM when they are determined to be hazardous is fundamental because this classification covers different scenarios where munitions may pose risks. Additionally, the notion that all specified conditions presented in the options can apply illustrates the complexity and multi-faceted nature of munitions assessments.

Detonation can effectively change the state of munitions and can also influence their classification as WMM, particularly when remnants or byproducts of an explosion become hazardous. The age of munitions can also be a deciding factor, as older munitions may become unstable or less effective, creating hazards associated with their storage and use.

Hence, acknowledging that the transition can occur under various circumstances solidifies the understanding that identification of WMM is not restricted to a single criterion. Thus, the correct answer encapsulates the different situations in which MM may be deemed hazardous and correspondingly reclassified as WMM.