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 will need Adobe 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)