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:

• Federal Office of Public Health, Switzerland: Accreditation received
• Federal Environmental Agency/Germany: A1 Listing
• EMPA Federal Materials Science and Technology Research Institute of Switzerland, Long-term study over 16 years
• University of Bonn/DVGW (German Technical and Scientific Association for Gas and Water) Work Sheet W 270 (laboratory and field tests passed)
• Hygiene Institute Gelsenkirchen: DVGW Work Sheet W 270
• SVGW (Swiss Gas and Water Industry Association) inspection mark
• NSF Standard 61 for North America and Canada (cold and hot water)
• LPM building material inspections after 5 years and after 10 years
• WRC England: Accreditation received
• Federal Food Research Agency/Austria: Accreditation received
• Various product-specific studies at various governmental institutions: tested and accredited
• Accreditation and test certificate for France
• VTT has tested the materials used in the LSE System (VTT research report VTT-S-06-00134)
• According to ISO 9001:2001 quality certification, the LSE-System AG now also has ISO 14001:2004 certification for environmental quality.