15 Waste and Recycling Ballasts Light ballasts may contain PCBs or other toxic components. All used light ballasts are collected and recycled. • Maintenance/custodial staff discard ballasts via Facilities Planning and Management (FP&M). • Labs and farms contact EH&S. Se e s ection “Chemicals in Laboratories and Other Locations.” Batteries Alkalinebatteriesarediscarded in the trash.All university rechargeable, lead acid, and automotive batteries must be recycled. • Maintenance/custodial staff discard batteries via FP&M. • Farms and Outlying Research Facilities contact EH&S. • Students, labs and offices may contact EH&S or use battery recycling boxes located at Environmental Health and Safety Services Building (EHSSB), General Services Building, Chem Stores in Gilman Hall, 339 Science II, University Village, or 0074 Durham. Biohazardous Materials Potentially infectious or genetically modified plant/animal tissues must be treated prior to disposal. Follow biohazard disposal guidelines in the Biosafety Manual. Cell Phones and PDAs Cell phones and other handheld electronic devices are recycled in the same manner as batteries. See Section F “Universal Wastes.” Chemicals EH&S collects unwanted chemicals from Iowa State University areas. Many of these chemicals can be recycled for use by other university personnel through our Chemical Redistribution Program. Generators of unwanted chemicals must follow University policy. See section “Chemicals in Laboratories and Other Locations.” Cleaning Supplies Unwanted concentrated cleaners must not be poured down drains. Use these products for their intended purposes or discard via EH&S. See section “Chemicals in Laboratories and Other Locations.”