Our solutions
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- Regeneration and conversion of industrial brownfield sites
- Change of use
- Cessation of activity
- Objective: net zero artificialisation
- Management of polluted ground, sludge, and/or dangerous waste
- Analytical sorting by specialist personnel
- Well-managed traceability
- Optimisation of costs and time periods
- Treatment on sites in operation
- National strategy for polluted sites and ground
- Targets set out by the French Directorate for Environment, Development and Housing (‘DREAL’)
- Application of Prefectural Orders
- Treatment of effluents
- Drawdown water
- Odorous gas
- Industrial waste water/leachates
Key figures
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- 1981: Date of creation of Colas Environment
- 1st company to be triple-certificated
- 7 locations in France
- +2000 completed sites