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Approvals-Accreditations
Experts and Testing Laboratories
Proven Expertise for Safety and Trust
At wpw Geo, expert services have traditionally been a key area of expertise. Independent assessments of complex issues require specialist knowledge, experience and a strong sense of responsibility – qualities that define our experts.
Experts in Accordance with Section 18 of the Federal Soil Protection Act (BBodSchG)
In the field of soil and groundwater protection, Mr R. Hastenteufel, Dipl.-Geogr., is available as an expert in accordance with Section 18 of the Federal Soil Protection Act (BBodSchG) for the following areas:
- II: Risk Assessment for the Soil–Water Exposure Pathway
- V: Remediation
Testing Laboratory in Accordance with RAP Stra 15
Our soil mechanics laboratory is recognised as a testing laboratory in accordance with RAP Stra 15 and is approved for the following areas of expertise:
- A (Soils and Soil Improvement)
- I (Unbound Layers, Construction Material Mixtures and Soil Materials for Earthworks)
Accredited Testing Laboratory in Accordance with DIN EN ISO/IEC 17025:2018
The German Accreditation Body (DAkkS) has accredited our testing laboratory in accordance with DIN EN ISO/IEC 17025_2018 for the performance of tests in the following areas:
- Mechanical and Technological Testing in Soil Mechanics and Geotechnical Engineering
- Investigations in the Field of Mineral Construction Materials, Particularly for Landfill Liner Systems
Preservation of Evidence and Historical Investigations
To prevent damage, minimise risks and identify potential contamination, we provide:
- Photographic Documentation for the Preservation of Evidence
- Crack Monitoring and Geodetic Deformation Measurements
- historical Research Using Archives, Eyewitness Accounts, Aerial Photographs and Maps
Geotechnical Engineering Reviews
We support testing engineers in the field of structural engineering with:
- Geotechnical and Expert Review of Soil Statics and Soil Mechanics Calculations
- Geotechnical Calculations and Plausibility Checks
- Deformation Predictions Using Finite Element Analysis
Contact Person in Germany

Dr.-Ing.
Thomas Becker
Managing Shareholder Saarbrücken, Trier

B.Eng.
Tobias Recktenwald
Managing Director Saarbrücken, Trier
Contact Person in Luxembourg

Dipl.-Ing.
Frank Stüber
Managing Partner Luxembourg

Martin Kerschen
Geotechnical Engineering