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Efficient local solutions for the management and recovery of polluted excavated material
Discover the Platform Terrea Ouest
Located in the Loire-Atlantique department (44), the Biocentre de l’Ouest Terrea is a biological treatment platform for polluted soil.
The agency's expertise
Non-impacted materials, or those that cannot be treated on site, are grouped together and directed towards ad hoc external channels (recovery and/or treatment).
Biological degradation (with or without stimulation) is achieved by conditioning and placing the excavated soil in a biopile or biotank. The control of chemical, physical and biological parameters creates a favorable environment for the development of micro-organisms that will eliminate the organic pollutants.
Taking charge of the complete cycle of treatment of polluted materials until their final recovery, our teams ensure their traceability in the greatest respect of the regulatory and environmental requirements:
- Installation Classified for the Protection of the Environment (ICPE) AP of 12/01/2017 and APC of 24/01/2018
- Acceptance procedure: Waste identification sheet (FID), Prior Acceptance Certificate (CAP)
- Traceability of materials (BSD, weighing, register…)
- Autonomous weighing on site by weighbridge with follow-up software for the traceability of the receptions
- Soil, stone and gravel (including excavated material from contaminated sites)
- Solid waste and sludge from soil and groundwater decontamination
- Track ballast
- Sludge from oil separators
- Dredging sludge
waste from grit removal - Waste from sewer cleaning (networks and stormwater management structures)
- Green waste
The agency's services
Business sectors

Building trade industry:
The Ortec Group assists in dismantling and rehabilitation projects for manufacturers and players in the building trade, from advice to total reconversion, by offering the most effective, responsible and economically viable solution for every situation.
Local authorities:
The Ortec Group can help towns and local authorities with their efforts to provide their residents with a healthy and pleasant living environment. In compliance with current environmental standards, Ortec offers local councils, schools (…) their expertise and appropriate solutions for each administration in order to ensure hygiene and cleanliness for the community.
Heavy industry:
Thanks to its extensive range of skills, including its expertise in industrial activities, the Ortec Group provides the players in heavy industry with a wide variety of services. These sectors are connected to the production or processing of raw materials such as mines, cement works, plasterwork and paper mills.
Tertiary:
The Ortec Group places all its experience and skills at the service of players in the tertiary sector. With the support of its local Ortec Environment branches, small and medium-sized businesses, property professionals, food retailers and hotel and restaurant operators can benefit from consulting services and solutions in the fields of sanitation, building maintenance, 3D hygiene, cleaning and even waste management.
Contact the agency
44410 Herbignac
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Documentation
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