Arkil completed one of Denmark's largest environmental remediation projects at Kærgård Plantation.
2008-2009 og 2014-2015
Region of Southern Denmark
20,7 og 16,5 mill. Danish kroner
The contamination at Kærgård Plantation was caused by Grindstedværk, a now defunct chemical company that deposited nearly 300,000 m3 of wastewater into six pits, between the years of 1956 and 1973. The waste itself consisted of water containing very high volumes of pharmaceutical residues and chemicals, such as 340 tonnes of chlorinated solvents and significant traces of mercury.
The remediation of the first two pits was carried out between March 2008 and September 2009.
Arkil was also contracted for the remediation of pits 3 and 4. This phase of the remediation project began in October 2014 and ended in March 2015.
The project consisted of clearing and removing the heavily contaminated soil in pits 1–4. All soil from between 10 cm below the surface to a half metre below the water table was sent to Germany and the Netherlands for thermal treatment. Wood structures were sorted and sent to NORD to be destroyed. At the time, the project was one of the most complex environmental remediation projects performed in Denmark, particularly in terms of personal health and safety.
The clean-up of pits 1 and 2 was carried out between March 2008 and September 2009, and this phase of the project consisted of remediating 5,000 tonnes of contaminated sludge and sand.
The Region of Southern Denmark is the government agency responsible for the remediation of Kærgård Plantation. The second phase of the project began in autumn 2014, and Arkil was also contracted for this portion of the work. In this phase, 3,500 tonnes of contaminated sludge and sand were removed from pits 3 and 4.
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