Your preferred partner for soil gas diagnostics and site supervision
On decontamination or construction/demolition sites, air quality is a major issue for health, safety and the environment. TERA Environnement puts its expertise at the service of your projects to guarantee rigorous, responsive monitoring.
As an active member of the “Polluted Sites and Soils” working groups run by BRGM (Bureau de Recherches Géologiques et Minières) and UPDS (Union des Professionnels de la Dépollution des Sites), TERA Environnement has recognized expertise in air analysis on polluted sites and soils.
TERA Environnement offers a comprehensive range of services for contaminated sites and soils:
- Soil gas diagnosis
- Measuring occupational exposure
- Indoor and outdoor ambient air measurements
- Monitoring fine particles and atmospheric fallout
- Measurement of PFAS (per- and polyfluoroalkylated substances) and microplastics
Why choose TERA Environnement?
- A 100% independent laboratory at the exclusive service of its customers
- Personalized technical support and direct access to our engineers, available by telephone
- Support in designing sampling campaigns (choice of compounds, sampling media, quantification limits, etc.).
- Proven responsiveness, with quotations sent quickly and results available on short notice
- A wide range of equipment available: sampling racks, pumps, microsensors, etc.
- A customer satisfaction rate in excess of 99% (source: 2024 satisfaction survey)
A complete analytical offer: provision of supports and equipment to accompany analyses
TERA Environnement offers a wide range of analytical services:
- Extensive screening of volatile organic compounds (VOCs), from 5 to 50 major compounds, or analysis of targeted compounds according to your specific needs
- Gaseous mercury analysis with low quantification limit (5 ng/support) under COFRAC accreditation; accreditation 1-5599, scope available on cofrac.fr (performed on SKC passive badge in outdoor ambient air and on hopcalite 500 mg tube in outdoor ambient air or soil gas).
This offer also includes the provision of adapted equipment:
- More than 150 canisters, the ideal sampling medium for analysis of sulfur and oxygen compounds, light VOCs (carbon number < C6) and VOC screenings
- Rental of connected monitoring stations for real-time monitoring (NEMo stations for PM, NO2 and VOC monitoring by PID)
- Rental of weather stations to contextualize measurements
- Provision of Owen gauges, DIEM plates, active and passive supports, sampling pumps
Emergency analysis: TERA Environnement’s DNA
Some worksites may have to be suspended while awaiting analysis results. To limit these delays, TERA Environnement offers an emergency air analysis service, available within 24, 48 or 72 working hours.
This service can be activated even on weekends and public holidays, thanks to our on-call system (conditions and rates available on request).
Some of our customer references in 2025
Rehabilitation of the former Mobil refinery in Frontignan, France
Duration: 4 years (2022-2026)
Antea Group – Séché
TELT construction site
(Tunnel Euralpin Lyon Turin)
Duration: 8 years (2023-2031)
Ginger Burgeap
Safety work on the massive slag deposits in the Calanques of Marseille
Duration: 4 years (2024-2028)
Antea Group
VOC, sulfur compound and dust measurements
- Worker exposure
- Air handling unit efficiency
- Impact on the environment and local residents
> Urgent delivery of results within 48 to 72 hours.
Real-time monitoring of PM 10 and PM 2.5
- Impact on local residents
> Availability of online air quality bulletins:
https://www.telt.eu/fr/les-enjeux/environnement/observatoire-environnement/
Dust and metal measurements
- Impact on local residents
- Possible adjustment of work implementation
> Missions :
- Antea Group: zero assessment, interpretation and site monitoring
- TERA Environnement: equipment rental and air and atmospheric fallout analyses
*Consult our scopes of accreditation: Accréditation Cofrac Essais 1-5598 et 1-5599, list of sites and scopes available on cofrac.fr
Scope of our Crolles laboratory: 1-5598 Fuveau laboratory: 1-5599 Scope of our Fuveau laboratory: 1-5599
TERA Environnement has over 20 years’ experience in air analysis and contamination control.
Consult our analysis, sampling media and equipment rental services
Do you have any questions or do you need a quote? Contact us to find out more about our analysis services.
