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Our quality management system in accordance with DIN EN ISO 9001: 2015 is regularly certified by TÜV Nord CERT GmbH and checked by customer audits (see DIN EN ISO 9001: 2015 certificate).

In addition, we regularly submit also single organizational units to external audits. We are certified by the IHK Mittlerer Niederrhein for a comprehensive service package and the following CPV code numbers as a qualified company for the execution of public contracts (see AVPQ certificate):

  • 71000000 Architectural, construction, engineering and inspection services
  • 71313000 Environmental engineering consultancy services
  • 71314000 Energy and related services
  • 73210000 Research consultancy services
  • 90520000-8 Radioactive-, toxic-, medical- and hazardous waste services
  • 90713000 Environmental issues consultancy services
  • 90714200 Corporate environmental auditing services
  • 90720000 Environmental protection
  • 90721600 Radiation protection services
  • 90722000 Environmental rehabilitation
  • 90722200 Environmental decontamination services
  • 90731000 Services related to air pollution
  • 90732000 Services related to soil pollution
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