Vapour extraction clean-up of polluted electronics site

The first known use of a vapour extraction system to remediate contaminated land in the UK has successfully cleaned up three areas of polluted soil and groundwater at an electronics manufacturing site in south-east England. The site is on the chalk aquifer that supplies much of London's drinking water.

The project was carried out by environmental consultants Dames & Moore. It pre-dated a clean-up of Texaco's Aberdeen fuel terminal in which similar technology was employed (ENDS Report 201, p 6). Dames & Moore's project is of particular interest as, unlike the Texaco clean-up, validation data on residual contamination levels have been disclosed. However, the identity of the site owner is confidential.

Soil from the first of the th

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