ELD provides efficient, cost-effective and direct monitoring of sealing membranes and liners in underground constructions based on 20 years’ experience in the field and using state-of-the-art survey methods. Our main activity is the inspection of synthetic liners used in landfill sites, storage and process areas and in all types of basins. Our services start with project planning and run right through to the performance of regular surveys. Our test and survey reports are officially approved in a number of different countries.