Enviro-Lock
Enviro-Lock prevents the need for ‘dig and dump’ of contaminated material. With the government's enthusiasm for reducing usage of landfill sites, this process is actively encouraged by Local Authorities and the Environment Agency. (Mobilisation periods apply.)
Contaminated in-situ materials (typical contaminants: heavy metals, hydrocarbons) can be locked into the host material via various binder additions. Avoiding dig and dump in this way prevents the spread of contamination outside of a site's boundary, an aspect that the Environment Agency are keen to promote. The locked material is also monitored for reduced permeability; this reduces leachate contamination.
Benefits include:
- Cost savings in the order of 50%-75% when compared with traditional methods, (ie. muck-away and import replacement).
- Reduced and accelerated program times, (compared to traditional muck-away).
- Reduced lorry movements on surrounding roads, (100s per site if the process is used fully).
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