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Opdatering af rapporten "Afværgeteknikker for MTBE-forurenet
grundvand"
Summary
Contamination of soil and groundwater with MTBE due to
leakage from underground gasoline storage tanks can be remediated by a combination of
on-site treatment and in-situ treatment. Selection of methods typically depends of the
geological conditions, the MTBE concentration in soil/groundwater, residual concentration
requirements, and demands of remediation time and treatment costs.
This report summarises the development in on-site and in-situ treatment since the
publication of the status-report "Remediation of MTBE-contaminated groundwater",
Environmental project no. 483, 1999. In the meantime, a substantial documentation on
on-site remediation has appeared. Most prominently, however, has been the comprehension of
the potential of biological removal of MTBE under aerobic conditions both on-site and
in-situ. The quantitative engineering understanding, however, is still scarce and
therefore design is done on an empirically uncertain basis. Biodegradation under anaerobic
conditions is probably feasible under certain conditions but the present knowledge is very
poor.