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i <br /> ,., K-V Associates, Inc. : Dual Gas Systems Page 1 of 2 <br /> . <br /> KVA Palletized Dual-Gas C-Spargers Systems <br /> KVA Palletized Dual-Gas C-Sparger® Systems utilize air and other reactive gases in removal of _ <br /> gasoline, fuel oil or their mixture from contaminated soils, as well as VOCs and chlorinated solvents. <br /> This remediation process is quite rapid and inexpensive. Devolatilization of BTEX occurs much faster <br /> =- than with the use of traditional methods. Reduction from 3000 ppm TPH to less than 50 ppm has been <br /> demonstrated within 9 months. <br /> The Palletized Dual-Gas C-Spargere Systems consists of three elements: the palletized compressor <br /> unit, the zone control system with individual wellhead assemblies, and the Spargepoints@. A <br /> -� programmable zone controller allows time sequencing of gas supply to each zone of Spargepoints at <br /> optimal intervals. Sequencing greatly improves water circulation, which in turn enhances remediation <br /> -' processes. <br /> Other C-Sparger Systems are available from KVA: <br /> Small Wall Mounted Systems <br /> Palletized Systems for 3-4 wells up to 10 wells <br /> Mobil unit <br /> l <br /> z r <br /> @ r <br /> a <br /> rt <br /> Palletized Unit Mobile Unit <br /> I_J <br /> Spargepointso I C-Sparger'j' Solvent Removal System Dual-Gas Sparge Systenac <br /> _1 <br /> L1 <br /> I ; <br /> http://www.kva-equipment.com/dualgas.html 4/5/02 <br />