Permiable Reactive Barrier INQUIP Reactive Barriers are in-ground or insitu treatment systems that use specialty engineered media or bio-organisms to clean contaminated soil... and groundwater. Reactive barriers can be permeable or impermeable and may use media such as iron filings, carbon, peat moss, and bacteria. Reactive barriers can be used to treat... a variety of organic compounds and heavy metal contamination. The significant advantage of reactive barriers is that they can be effective without pumping, mass excavation...

in the development of the slurry trench method. Mr. Toll was instrumental in the promotion and construction of economical underground seepage barriers, including the Terminal Island Project.... INQUIP's main activity from its creation to the early eighties was related to the installation of soil-bentonite cutoff barriers and liners. In order to utilize the wide experience... associated with landfills and waste management facilities. INQUIP offers capabilities for the installation of: All types of underground seepage barriers Cast-in-place or precast slurry...

Seepage Barriers INQUIP INQUIP has considerable experience working on hazardous and toxic waste sites. These projects either involve the remediation or closure of the sites... the construction of a pollution containment. The combination of a slurry cutoff wall with groundwater wells or collection trenches, capped with a barrier membrane, is often the most... acceptable and economical method for groundwater containment. When space is limited, groundwater barriers and extraction can be combined in a single trench fitted with a HDPE...

underground seepage barriers, including the Terminal Island Project. INQUIP's main activity from its creation to the early eighties was related to the installation of soil-bentonite... cutoff barriers and liners. In order to utilize the wide experience of its management team and to be able to satisfy more efficiently the needs of its clients, INQUIP expanded its... of underground seepage barriers Cast-in-place or precast slurry walls for support of excavations Deep soil mixing Leachate collection systems Liners Pressure and jet grouting INQUIP has...

to backfill the trench. They have proven to be effective seepage barriers. Permeabilities can be achieved from lxl0-6 to less than lxl0-7 cm per sec. S-B cutoff walls have been used...