Hazardous, corrosive, toxic or ignitable wastes (including medical and hospital wastes, liquids, and sludge) cannot be accepted by landfills due to Federal and Environmental Protection Agency (EPA) regulations and are excluded from collection. Solid Waste Authority of Central Ohio (SWACO) provides free household hazardous waste (HHW) disposal services for Franklin County residents. The drop-off location is located at 645 East 8th Avenue, Columbus, OH 43201 (at the corner of East 8th Avenue and Essex Avenue just south of the fairgrounds). For a list of acceptable items, hours of operation and directions, visit the SWACO HHW website or call SWACO's HHW drop-off facility at 614-294-1300.