BHF environmental Ltd 
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Specialists in Electrical Leak Location Surveys and Applied Geophysics
BHF Environmental Ltd offers a range of services to the geophysical, geotechnical and environmental fields. With offices in Portsmouth (United Kingdom) and Bratislava (Slovak Republic www.bhf.sk) the company provides services worldwide. The company has mostly specialised in applied geoelectrics. Along with the standard geophysical/geoelectrical methods the company also offers:- Electrical leak location surveysBHF Environmental has specialised in electrical leak location surveys since 1994. To detect and locate leaks in plastic membranes, the company uses the GECO system. This application of geoelectrics is widely used as an effective tool in the process of Construction Quality Assurance in many countries, mostly for landfill liners.
BHF environmental have personnel with extensive experience in this type of survey. The company has successfully completed more than 400 leak location surveys worldwide having received commissions from landfill owners, earthworks contractors, consultants and liner installers. Permanent systems are installed at over 100 sites worldwide The company has also specialised in Micro Resistivity Tomography - a method suitable for detailed resistivity and self potential studies of archaeological sites and historical buildings. Contact Details:1st Floor, 47 Osborne Road, Southsea, Hants, England PO5 3LS Telephone: +44 (0) 2392 611110 Fax: +44 (0) 2392 611101
This page was last updated on 09/10/06.
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geomembrane is
rapid, accurate and cost effective. The system utilises the insulating
properties of geomembranes. An electric current is applied across the
protective layer placed over the membrane. Subsequently, the electric
potential is mapped over the inspected area. Anomalies in electric field
indicate geomembrane damage.
