Leak Location Services
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Leak Location Services We're an international company specializing in Electrical Leak Location Surveys of Geomembranes. We have 29 years of experience and deliver first-class surveys for our clients worldwide. The electrical leak location method is a powerful tool used to detect electrical paths through leaks in a geomembrane liner.

A voltage is applied to an electrode placed in the soil or water covering the liner and to an electrode placed in the leak detection zone for double-lined systems or connected to earth ground for single-lined systems.Because the geomembrane liner is an electrical insulator, current will flow only through leaks in the liner. This current produces localized anomalous areas of high current density near the leaks.

Electrical measurements are then made on the soil or in the water to locate these points of current flow through the leaks. ASTM D6747 describes the various implementations of the method. The electrical leak location method is suitable for liquid impoundments and tanks, as well as pre-service inspections of solid waste landfills.
Highlights

The founders of LLSI were instrumental in the development of commercial leak location technology in 1980. LLSI maintains excess staff to perform multiple simultaneous projects quickly and without delay. Several of our technicians are bilingual. Proposals for work performed have no hidden charges and are inclusive of travel and lodgings. No surprise

At Leak Location Services, Inc., we conduct soil, water, and bare liner geomembrane surveys and also offer leak monitoring (ELIM) services. We've been around the world performing our work for over 25 years. Geomembrane leak location surveys of surface impoundments and tanks can be conducted with water covering the geomembrane. Geoelectric leak location

Geomembrane leak location surveys of surface impoundments and tanks can be conducted with water covering the geomembrane. Surveys are conducted using a probe while wading or standing on the side slopes, or using a sensor that is towed across the impoundment. Procedures for this method are specified in ASTM standard D7007. For the wading survey mode

To avoid the logistics of flooding the geomembrane with water, the exposed geomembrane can be tested for leaks using a water puddle test. This test is used on geomembranes that are in direct contact with the supporting sub-grade or a GCL. Procedures for this method are specified in ASTM standard D7002. The bare liner test is to detect electrical current

Primary geomembrane of a double geomembrane system with the primary covered with earth materials & underlain by earth materials or a GCL. Geomembrane overlain by a geocomposite or geotextile, and earth materials and underlain by earth materials. Leak Location Services, Inc. (LLSI) is the world leader in geoelectric leak location testing. The technical

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