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In
Gent, Belgium ground water levels of the contaminates trichloroethylene
and vinyl chloride were impacting sub-floor
void of the property.
A
floating membrane was used to controlled volatilisation of the
liquid phase and the vapour phase was controlled by the use of positive
pressure. Dilution and dispersion created a clean air zone in the
sub-floor void and maintaining a positive pressure produced a clean
air blanket reducing the contamination to below the residential
safe occupancy levels.
In
this project the system design was over seen by ERM Belgium and URS
Germany on behalf of the client.
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