A Major Problem in Buildings Constructed Prior to the Early

Multiple Choice

A major problem in buildings constructed prior to the early 1970's,which of the following environmental hazards commonly associated with insulation has been the focus of costly cleanups at many public buildings,especially schools?

A) Asbestos
B) Radon
C) PCBs (Polychlorinated biphenyls)
D) LUSTs (leaking underground storage tanks)