Abstract
Through space revitalization, small arms firing ranges of older bases have and may become incorporated into residential areas of active bases with possible human exposure to lead. Bullet dissolution and scanning electron microscopy studies compared weathering of lead from antique small arms ammunition (the 45/70-405 Government) and modern ammunition (5.56 mm). The almost pure lead in the 45/70 bullet resulted in a round that has a lower corrosion and dissolution rate than the lead/antimony alloy of modern ammunition. It is less likely that lead will migrate from the older ranges into the surrounding environment either with suspended solids carried by surface water runoff or through leaching into the underlying soil and groundwater.
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