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Contaminated sites

Photo: Mogens Carrebye
COWI carries out all forms of contaminated sites investigations and remediation of contamination for regional and municipal authorities and private land owners.

Contaminated soil and ground water can pose a risk to human health and nature and represent important financial liabilities. A systematic approach to manage the risks and liabilities related to contaminated sites is therefore of utmost importance.

COWI has worked for more than 30 years in all areas of contaminated soil and ground water and has a staff of more than 150 specialists in contaminated sites management in our offices in Denmark, Norway, Sweden, Central and Eastern Europe, China and the Arabian Gulf and a number of trusted local partners around the world.

Technical equipment

We have an extensive and comprehensive list of field equipment including a mobile soil gas laboratory and a GeoProbe MIP unit.

Our scope of services includes inventories of contaminated sites, intrusive investigations with sampling and analysis, risk assessment, development of conceptual models, detailed design of remediation, tendering, works supervision and monitoring. We have extensive experience with remediation including advanced in-situ remediation
techniques such as airsparging and vacuum extraction, thermal remediation with steam, enhanced reductive dechlorination and chemical oxidation.

We work for private and public entities including ministries, regional and local authorities, multinational industries and project developers and handle contaminated soil and ground water in relation to brownfield development, new infrastructure projects and risk reduction on industrial sites.

Courses and knowledge sharing

Development and communication of knowledge are central elements in COWI’s work with contaminated sites. Using the newest research results, COWI develops ideas and consulting services and arranges courses and seminars for our customers and colleagues.

We have an extensive collaboration with universities and technological partners, which enable us to be among the leading consultants within our field.

LAST UPDATED: 09.12.2016