Geoelectric Leak Detection
At Anddes, we are regional leaders in Electrical Leak Detection (ELD). We have surveyed nearly 2,000,000 m² of geomembrane installations, achieving a 100% detection rate across all executed projects.
Our technicians and professionals have received training from global leaders in ELD and bring experience from projects in the United States, Peru, and Argentina. We operate with state-of-the-art equipment designed and manufactured by Texas Research International (TRI), based in Austin, Texas, USA.
We provide comprehensive geomembrane integrity verification solutions for the mining and energy sectors, covering all testing methods established by ASTM standards, as well as advanced methodologies that exceed these requirements.
- Exposed geomembrane – Water lance / water puddle method (ASTM D7703 / D7002).
- Exposed geomembrane – Arc testing method (ASTM D7953).
- Geomembrane covered with soil, brine, water, or process solutions – Dipole method (ASTM D7007).
- Covered geomembranes under conditions exceeding ASTM standards – Alternative and customized methods.






