The purpose of this report is to provide the U.S. Environmental Protection Agency’s (EPA) waste programs with a national retrospective analysis of barrier field performance, as well as information that may be useful in developing guidance on the use and evaluation of barrier systems.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Evaluation of Subsurface Engineered Barriers at Waste Sites Volume 1 (PDF)(148 pp, 2 MB, 1998, 542-R-98-005)
- Evaluation of Subsurface Engineered Barriers at Waste Sites Volume 2, Appendix B (PDF)(244 pp, 16 MB, 1998, 542-R-98-005a)