Geo-synthetic clay liners (GCLs) provides a barrier system in municipal solid waste landfill applications. Federal and some state regulations specify design standards for bottom liner-sand final covers. GCL technology is an alternative that performs at or above standard federal performance levels.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
Geosynthetic Clay Liners Used in Municipal Solid Waste Landfills (PDF)(8 pp, 114 K,
Revised December 2001,
EPA's fact sheet describes new and innovative technologies and products that meet the performance standards of the Criteria for Municipal Solid Waste Landfills (40 CFR Part 258).