A drinking water pipe renovated with the LSE System provides a certifiable improvement in water quality. The system and the equipment used have successfully completed the following test procedures and inspections around the world since 1987:

• KIWA Netherlands / successfully passed foodstuff test and mechanical test; external control by KIWA Germany; proof of generally acknowledged state of technology
• Swiss Federal Office of Public Health, formula for contact with drinking water tested and confirmed to be admissible
• Federal Environment Agency of Germany Listing A1 from September 2005 to October 2010, listing LSE 001 NA as the only epoxy resin / residential installations <80 mm hot and cold water
• EMPA Swiss Federal Laboratories for Materials Science and Technology, long-term study over 16 years
• University of Bonn/DVGW (German Technical and Scientific Association for Gas and Water) Work Sheet W 270 (successfully passed laboratory and field tests)
• Hygiene Institute Gelsenkirchen DVGW Work Sheet W 270
• SVGW (Swiss Gas and Water Industry Association) inspection mark 1990 to 2002
• NSF Standard 61 for North America and Canada (cold and hot water) until 2008
• LPM building materials inspections after 5 years and after 10 years
• Various product-specific studies by various governmental institutions, tested and certified
• Approval and test certificate for France
• VTT has tested the materials used in the LSE System. (VTT research report VTT-S-06-00134)
• Following the ISO-9001:2001 quality certification LSE-System AG has now also obtained ISO 14001:2004 environmental certification