Legal Opinion on PFAS by Lorenz Lehmann
We are pleased that the Federal Office for the Environment (BAFU) published yesterday the expert report prepared by Lorenz Lehmann, titled «Sites Contaminated with PFAS Firefighting Foams: Expert Report on Selected Legal Issues Related to Cost Allocation.».
Monitoring Ensures Safety: Collaboration with the DDPS to Gain In-Depth Insights into Explosives in Lakes
An exciting and highly relevant project: monitoring explosives in Swiss lakes. We are pleased to have supported the Federal Department of Defense, Civil Protection, and Sports (VBS) in preparing the latest monitoring report.
Indoor air measurements now also in our Fribourg branch
Ecosens AG in Wallisellen has been an S-Cert certified sampling point for indoor air for more than 10 years. Since 2025, with Diana Loregian, we now also have a trained specialist for indoor air measurements at the Fribourg site.
Olten Südwest - insight into a major interdisciplinary project
One of the most important and exciting development areas in the region is currently being created in Olten Südwest, a new district with various apartments, commercial sites and schools. Ecosens is supporting the project with expertise from several disciplines. The construction project includes issues relating to contaminated sites and waste legislation, ground engineering and hydrogeological investigations as well as clarifications on the use of geothermal probes and groundwater heating.
S-Cert certification for indoor air measurements
At the end of October, Ecosens AG once again successfully passed the biennial audit by the Swiss Certification Body for Products and Persons in the Construction Industry (S-Cert AG).
Eco-district Plaines-du-Loup Lausanne
The Coopérative de l'habitat associatif (CODHA) intends to build the Plaines-du-Loup eco-district in Lausanne by 2034. The plan is to create apartments and workplaces for around 11,000 residents as well as sports facilities on a total area of around 10,200 m2.
Swiss Federal Railways SBB: Technical and legal PFAS consulting Ceneri Base Tunnel
Swiss Federal Railways SBB Technical and legal PFAS consulting Ceneri Base Tunnel
Various samples have shown that PFAS are present in the tunnel wastewater from the Ceneri Base Tunnel and in the seepage water from the Sigirino deposit.
New department: Environmental Modeling
We are currently setting up a new department for environmental modeling. The aim is to specifically expand our range of services in the field of environmental planning and to offer comprehensive services in the area of modeling air pollutant and noise emissions. The department is being developed in close cooperation with an experienced external partner in order to ensure the highest professional standards right from the start.
Ecosens acquires majority of shares in myx GmbH
As part of a succession solution, Ecosens acquired a majority of the shares in myx GmbH on April 7, 2025. At the same time, three long-serving employees took a new stake in the company.
myx GmbH in Uster has been offering services for soil ecology and environmental consulting since 2002 under the management of Martin Zürrer and has developed into a well-established company on the market during this time. Ecosens has worked successfully with myx GmbH on many projects relating to these issues in the past.
Geothermal probe fields under sports turf areas
We are delighted to have successfully completed the "Geothermal probe fields under sports turf" project in collaboration with the energy officers and Grün Stadt Zürich!
In addition to a report, this collaboration also resulted in a practical guide with an interactive checklist for future planners of geothermal probe fields.