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K-V Associates, Inc KVA Spargepoints Page 1 of 2 <br /> KVA Sw nftO <br /> Note: SpargepointO is registered trademark# 1,917,152 of K-V Associates, Inc <br /> KVA Spargepointsl are essential parts in the operation of KVA C-Spargeim <br /> Systems Made of porous plastic, they are used to introduce microfine air bubbles <br /> under low pressure into the saturated zone of an aquifer in order to remove volatile <br /> organic compounds compounds (VOCs and chlorinated solvents) This relatively <br /> new process in remediation technology is allowing simultaneous stripping of <br /> contaminants from groundwater along with chemical oxidation of these <br /> contaminants <br /> The ultrafine bubbles produced by Spargepoints® are diffused into a formation more <br /> evenly than the large bubbles produced by standard well screens Spargepoine- <br /> produced bubbles have suitable size for penetrating the interstitial spaces of saturated <br /> formations under low fluid pressure Consequently, the bubbles become part of the <br /> fluid flow and prevent channelization <br /> A compressor is used for air supply to the <br /> Spargepomts®, providing adequate <br /> pressure and air flow to the points in order <br /> to overcome back pressure of the <br /> formation Each of the SpargepomtsO is <br /> connected to the surface by a Schedule 40 <br /> PVC riser pipe KVA's Wellhead <br /> Assemblies allow even adjustment of <br /> pressure and air flow to individual <br /> Spargepointse across the site <br /> KVA Spargepointse are available in <br /> diameters of 112, 314, 1,2, and 4 inches Lengths vary according to customer needs <br /> Standard models are generally 18 inches in length <br /> Installation of KVA SpargepomtsO is very simple using a hollow stem auger, and a <br /> protocol similar to installation of well screens <br /> To find out more about questions concerning KVA Spargmg processes, visit our <br /> &A page <br /> Note Spargepoint® is registered trademark# 1,917,152 of K-V Associates, Inc <br /> Spargepoints2 l C-Spargger"' Solvent Removal System I Dual-Gas Sparge <br /> Svstems <br /> Bak to <br /> RemIOO <br /> KVAGroundwater Groundwater& Technical e <br /> Home Page About kVA •Monitoring Soil Sampling 'Papers m it <br /> http //www kva-equipment com/sparge html 9/8100 <br />