Non invasive and Historical Investigations
- Investigation of history of use, contemporary witness interviews, identification of areas of suspected contamination
- Evaluation of (historical) maps, files and aerial photographs
- Review and evaluation of geological, hydrogeological and pedological information
Sampling and Chemical Analyses
- Sampling of soil, soil air, leachate water, groundwater, surface water, drinking water (certified according to TrinkwV2001), construction material, buildings, excavated material, wood, sewage sludge, etc.
- Chemical analyses through a subcontractor (accredited analytical laboratory according to BBodSchG)
Technical Investigations (preliminary, detailed and remedial investigation)
- Shovel trench and bore hole
- Soil air and landfill gas
- Direct push and geophysics
- Column tests
- Immission pump tests, multilevel groundwater monitoring well, passive sampling
Assessment
- Percolation water prognosis
- Risk evaluation of exposure pathways soil-human, soil-plant, soil-groundwater and soil-surface water
- „Abfallrecht“ (german waste legislation)
- Legal and economical evaluation
Remediation of Contaminated Sites and Brownfield Conversion
- Remediation concepts and plans according to § 13 BBodSchG (german soil protection legislation)
- Deconstruction plans and waste management
- Call for bids for remediation and waste management services
- Application of innovative remediation technologies: „Dig-and-Treat“, permeable reactive barriers, Funnel and Gate, Drain and Gate, optimised Pump and Treat, soil vapour extraction, airsparging, natural attenuation (monitored, enhanced), soil mixing, surfactant flushing, catalytic waste water treatment
- Remediation management, monitoring and documentation
Certified Expert’s Reports and Review of Reports
- Expertise for courts, insurances, investors
- Assessment of existing reports
Groundwater Modelling
- Groundwater modelling (flow and transport)
- Dimensioning of water protection areas
- Development of groundwater management plans and concepts