Polluants.ch
Legal notice
Information about the operator, development and use of polluants.ch. Last updated: 19 October 2026.
Website operator
The website polluants.ch is operated by:
GNAC Sàrl
Limited liability company
rue de la Chapelle 17
2035 Corcelles NE
Switzerland
Registered office: Neuchâtel
Business identification number (UID): CHE-115.143.376
VAT number: CHE-115.143.376 TVA
Telephone: 076 567 18 50
Email: info@polluants.ch
Responsible for content: Robert Gaisch
polluants.ch and Stop-Radon
polluants.ch focuses on building pollutant surveys; stop-radon.ch specialises in radon measurement and mitigation. Both websites present the services of Robert Gaisch.
Website design and hosting
Website design and development
Ekylibr SA, Neuchâtel — UID CHE-378.933.385. Ekylibr SA designed and developed the website. It does not operate the surveying business presented on this website.
Hosting and technical services
- Website hosting: Vercel Inc., United States (global content delivery network; server functions configured in Frankfurt, Germany).
- Database and files: Supabase, Zurich region (Switzerland).
- Automated emails: AhaSend, infrastructure in Europe (European Union / European Economic Area).
See also the privacy policy.
Copyright and photographs
Reproduction of the text, layout or graphic elements requires prior written permission from the rights holders, subject to the applicable licences and exceptions provided by law. Requests may be sent to info@polluants.ch.
Field photographs are by Robert Gaisch and are published with his permission. Some illustrations in the photo guide come from third-party sources under open licences (Creative Commons); the author and licence are shown below each image.
Website content
The information published on this website is provided for general information. It does not replace an on-site survey or advice from the competent authorities. Legal and cantonal requirements may change; the cited official sources are authoritative.
Despite the care taken in preparing the content, we cannot guarantee that the information is complete, accurate and up to date at all times. GNAC Sàrl disclaims liability for damage resulting from the use of this information to the extent permitted by law.
The photographs illustrate materials or interventions. They cannot establish the composition of a material or the result of a measurement.
Links to other websites
This website contains links to external websites, including those of federal and cantonal authorities. We have no influence over their content and accept no responsibility for it.
Applicable law
Swiss law applies.

