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Treating 1,2 dichloroethane in a mixed plume - Kent, UK

机译：在混合烟气中处理1,2二氯乙烷-英国肯特

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摘要

The groundwater under a former engineering works in the south-east of England had become impacted with a mixture of contaminants due to processing and storage activities at the site. Contamination was shown to be advecting from the site boundary and so a voluntary remediation programme was deemed necessary by the leaseholder. Royal Haskoning DHV was engaged to investigate the extent of the contamination, develop a remediation strategy and validate the remedial works on site. The main groundwater contaminant of concern was 1,2 dichloroethane which was present in concentrations up to 8,000μg/L. Petroleum hydrocarbons and vinyl chloride were also identified in the made ground and shallow river terrace gravels at problematic concentrations. Remediation works were further complicated by low-level radioactive waste (flints) left over from manufacturing works on site.
机译：由于该地点的加工和储存活动，英格兰东南部的一处前工程工作所导致的地下水已受到污染物混合物的影响。事实证明，污染正在从场地边界蔓延，因此租赁所有人认为有必要采取自愿补救措施。 Royal Haskoning DHV参与了调查污染程度，制定补救策略并验证现场修复工作的工作。所关注的主要地下水污染物是1,2二氯乙烷，其浓度最高为8,000μg/ L。在人造地面和浅河阶地砾石中还发现了浓度有问题的石油碳氢化合物和氯乙烯。现场制造工作留下的低放射性废物（火石）使修复工作更加复杂。

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