Recently there has been much discussion about the safety of
drinking water. Concerns about tap water, bottled water, and reusable plastic
bottles can be overwhelming. The main issue concerning plastic bottles is the
leaching of the chemical bisphenol-A (BPA) which is used in the manufacturing
of polycarbonate, the hard clear plastic that is characteristic of many water
bottles. It is used to make household goods because of its characteristics: it
is very durable, moldable, and has good temperature resistance. Almost all