Page 651 - Materials Chemistry, Second Edition
P. 651

CAT3525_C21.qxd  1/27/2005  12:56 PM  Page 622
                       622                       Waste Management Practices: Municipal, Hazardous, and Industrial
                         6. In your community, find out where C&D debris is managed. Is it landfilled or recycled?
                             Who is in charge of managing C&D debris: private haulers or the municipality?
                         7. How does gypsum, CaSO , affect soil physical and chemical properties? Is it a noxious
                                                 4
                             compound or does it benefit the soil?
                         8. How is CCA-treated wood managed under RCRA? Is it to be handled as a hazardous
                             waste?
                         9. Are there any hazards associated with burning CCA-treated wood?
                        10. How are old asphalt shingles recycled? What are common uses for recycled shingles?
                        11. What federal agencies regulate asbestos-containing shingles? What are the minimum
                             asbestos contents to be eligible for regulation?
                        12. Describe deconstruction. If an academic building on your campus were to be decon-
                             structed, what would the primary recovered materials be? Consider plumbing, wiring and
                             interior woodwork (if any), in addition to components such as stone, steel girders, and
                             metallic doors.
                        13. Is deconstruction worth the effort? List the benefits of deconstruction.
   646   647   648   649   650   651   652   653   654   655   656