Columbia’s waste stream roughly contains three categories, each one
regulated differently. Solid waste comprises most of what’s tossed into
the trash can or often voluntarily recycled: copier paper, cardboard,
toner cartridges, and in some cases, cans and bottles. Universal waste
consists of materials collected and recycled under the supervision of
Environmental Health & Safety: computers, fluorescent lamps and the
Medical Center’s 1,900 pounds of batteries annually. Hazardous waste,
such as silver, dental amalgams and solvents, is also carefully
regulated. The EPA recently upgraded its recycling system, which the
University’s environmental offices have implemented and audit
regularly.
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