Military installations' disposal of range residue "could lead to shutdowns in operations" because of adverse environmental conditions, according to a new Defense Department inspector general report . The Aug. 4 audit states that while the eight military sites the IG investigated were meeting operational requirements, they failed to satisfy Defense Department environmental directives for firing ranges. The treatment of range residue, which includes expended munitions, unexploded ordnance and used targets, has been an area of increased scrutiny since a DOD-wide...