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a <br /> Electrical supply (1201240 VAC, 4 Wire, 3 Phase) is provided from an underground source at the <br /> southwest corner of the site to a 200 ampere service panel and meter Power is then routed to the <br /> equipment control panel inside the treatment compound Natural gas (7 lb delivery pressure) was <br /> also supplied from an underground source at the southwest corner of the site directly to the <br /> treatment compound <br /> 25 Equipment Installation <br /> The equipment provided for the site is a thermal oxidizer(thermox) manufactured by AKI <br /> Systems, Inc with a 600 cfm Lampken extraction blower The thermox is capable of effectively <br /> treating up to 600 cfm of soil vapor from the extraction wells The thermox is equipped with an <br /> additional 200 cfm blower which is used for suppling oxygen for proper combustion The total <br /> capacity of the thermox is 800 cfm The supplemental fuel needed for the combustion process is <br /> natural gas The thermox operates at a temperature of approximately 1400 degrees Fahrenheit <br /> Automatic controls will shut the unit down should this operating parameter not be met The <br /> blower and thermox are separately skid-mounted and were positioned in the treatment compound <br /> as shown in Figure 3 <br /> A weather resistant site procedures box was mounted inside the remediation compound The box <br /> contains the site specific health and safety plan, facility log book, and copies of all permits and <br /> approval letters related to the construction and operation of remediation facility <br /> 26 System Start-up and Testing <br /> Soil vapor is extracted from two zones at the site The first zone comprises unsaturated soil <br /> extending from approximately 15 to 25 feet bgs, vapor extraction wells VEW-lA and VEW-2A <br /> are screened through this interval The second zone also comprises unsaturated soil extending <br /> from approximately 25 to 40 feet bgs, vapor extraction wells VEW-1B and VEW-213 are screened <br /> i <br /> through this interval Vapor extraction well boring logs are provided in Appendix A <br /> 440ASB RPrSECOR <br /> Job No NoOO14XI OI 4 Sgxcmbc IZ 1996 <br />