Résumé :
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Electrical leak location surveys are now frequently undertaken in the UK on newly constructed landfill liners to investigate the presence of holes through the geomembrane which can then be repaired before the landfill is brought into service. The electrical leak location survey method is described by Mosely and Crozier (1993) and Colucci and Lavagnolo (1995). The use of this technique, in conjunction with construction quality assurance (CQA) of good standard, can ensure a very low incidence of geomembrane defects in the completed liner. Therefore this should be reflected in the liner defect data used in the risk assessment, leading to much lower predicted impacts on groundwater resources.
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