Abstract
The U.S. Environmental Protection Agency (EPA) has developed this Web site to summarize timely information about demonstrations and full-scale applications of alternative landfill covers. The alternative landfill covers described involve design concepts that primarily manipulate water balance principles to minimize percolation into the waste. Projects for this Web site are collected using information from technical journals and conference proceedings, as well as information obtained from technology vendors and site managers. The project profiles contain information about relevant site background, materials disposed of at the site, climate, location, monitoring system used, cover type, size and design, performance results, point of contacts, and references. This Web site can be used as a networking tool (each profile lists a contact) to identify past solutions and lessons learned that would apply to new sites with similar contaminants and climate.
As of December 2007, the Web site included information on approximately 93 alternative landfill cover projects that involved roughly 47 demonstration projects and 46 full-scale applications. Four types of alternative landfill covers are included in this Web site: monolithic evapotranspiration (ET) covers, capillary barrier ET covers, asphalt covers, and bioengineering management covers. These alternative cover designs are increasingly being considered for use at waste disposal sites, including municipal solid waste and hazardous waste landfills and radioactive waste sites. As further information is obtained, EPA plans to update and expand this Web site with new profiles on alternative landfill cover projects and updated information about existing project profiles. EPA is continuing its efforts to examine trends in the use of alternative landfill covers.