SYMPOSIA PAPER Published: 01 January 1986

Migration of Leachate Solution Through Clay Liner and Substrate


The migration of various contaminants in a sensitive soil, used as liner and in-situ substrate in an actual landfill site, is investigated in controlled laboratory column leaching tests. Using the actual leachate collected from the site, the laboratory tests show good attenuation of the heavy metals studied and lesser attenuation of the salts. Comparison between predicted and concentration profiles, using C1 as an example, shows that there is significant need to account for the time and spatial variation of the specific dispersion coefficients — caused by continued leaching or intrusion of the contaminants — if proper accord between predicted and measured profiles is to be achieved.

Author Information

Yong, RN
W., McGill University, Montreal, Quebec, Canada
Warith, MA
W., McGill University, Montreal, Quebec, Canada
Boonsinsuk, P
W., McGill University, Montreal, Quebec, Canada
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Developed by Committee: D34
Pages: 208–225
DOI: 10.1520/STP23080S
ISBN-EB: 978-0-8031-4994-6
ISBN-13: 978-0-8031-0931-5