1. Armstrong, M.D., 1998. Laboratory program to study clogging in a leachate collection system. ME.Sc. thesis, The University of Western Ontario, London, Ont.
2. ASTM D2434-68. Standard test method for permeability of granular soils (constant head). American Society for Testing and Materials, West Conshohocken, PA., USA.
3. ASTM D854. Standard test methods for specific gravity of soil solids by water pycnometer. American Society for Testing and Materials, West Conshohocken, PA., USA.
4. Temperatures at the base of a municipal solid waste landfill;Barone,2000
5. Biological Activity Reaction Test (BART™) User Manual, 2003. Droycon Bioconcepts, Regina Sask., Canada, www.dbi.sk.ca.