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?S-N <br /> IATION SYSTEM DESIGN <br /> 0 REMED <br /> } cor orate the use of ten (10) <br /> will an P ure 3. A <br /> remediation system <br /> ro osed he locations of these wells are shown <br /> os Figure <br /> i n <br /> The p P <br /> ozone-spa wells. T ozone sparging <br /> of a typical <br /> view The wells were <br /> " = cross-sectional in a conservative radius of influence of 15-feet <br /> Appendix B. ASE is assuming test at the site. <br /> data from the air-spar <br /> radient of the former <br /> based onwithin and downg <br /> hydrocarbon s <br /> located to destroythe ozone generation unit will be utilized- <br /> located <br /> All ten ports on diameter <br /> The wells will be drilled with a drill rig equipped with 5-inch <br /> diameter <br /> u err. The wells will be constructed the casing ng 'thrn gh a 2-inch <br /> hollow-stem a g Ozone will be sparged from perforations. <br /> 6 Pint with 10-50 micron p <br /> pVC well casing• b permeable water- <br /> diameter by 30-inch long spare P <br /> Pints will be placed in the location of the <br /> These sparge P 15-feet bgs. Lonestar #2116 ore f bottom sand will <br /> e <br /> bearing zone approximately <br /> Pint and the boring from t 0:5-foot thick <br /> be placed between the sparge p e Pint. A- <br /> to 1-foot above the top of the sparge P <br /> baring laced between the sandpack anbethe <br /> lacedOverly' <br /> abovg <br /> bentonite layer will be P into t h e <br /> sanitary seal. A Portland cement sanitary <br /> from <br /> infiltrate g <br /> cement sa y layer to prevent surface ozone-sparging <br /> the bentonite will be piped directly into an <br /> The wellheads to the ozone generator. <br /> v"ell directly <br /> manifold, which will then be piped <br /> Will utilize a C-Sparger System manufactured by KVA <br /> The System C-S anger System is a compact unit that generates a n <br /> Associates. The p the air/ozone mixture <br /> a timer. The <br /> air/ozone mixture on-site. Theunit <br /> tine then Pcycle set by cfm) at a <br /> through ten ports one portpe <br /> minute <br /> roximately 3 to 5 cubic fell palthough 20-24 psi is <br /> air/ozone flow t app pounds per square inch (psi), minutes <br /> to 65 P to 8 <br /> pressure of up Dint will receive air for � ro rammed <br /> more typical. Each sparge P The cycle timing will be p g <br /> Per day. operates on 110- <br /> approximateiy 18 times p The entire unit °p endix B. <br /> and cycle duration ad, hdhe sC-needed. unit is enclosed in App <br /> volt power. A diagram <br /> e will be pumped thdouble Containedg ozone- <br /> rough lis. <br /> from the GSparing System to the spargin <br /> The airlozone mixture <br /> resistant poly tubing <br /> Singh's Unocal Remedial Action Plan — March 2002 <br /> -2- <br />