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' ,s <br /> MEN <br /> o• <br /> ' m <br /> Project 00770.02 <br /> 11 February 1991 <br /> accumulator/water knockout device. <br /> and <br /> accumulator/water knockout device were placed hwithin mauprotectivestortfenced <br /> enclosure. The combustor unit was designed to destroy by combustion <br /> hydrocarbon vases in the extracted soil gases before gases are discharged <br /> into the atmosphere. After permitting through the San Joaquin County Air <br /> Pollution Control District, the system equipment was delivered to the <br /> site, installed an an equipment <br /> system already in place. A propaneantrap onwagon d that to thservedraasioa <br /> supplemental fuel source was kept <br /> equipment. A in the enclosure with the system ' <br /> site plan of the extraction system and system equipment is <br /> z presented in Figure 1. <br /> f OPERATION, MAINTENANCE AND MONITORING <br /> The combustor unit was designed to operate continuously 24 hours a d <br /> EVAX personnel periodically monitored the vapor extraction and <br /> remediation system. Monitoring included analyses of the influent to <br /> document the progress of the remediation. In addition, compliance <br /> sampling of the exhaust stream to the atmosphere was conducted to ensure <br /> i the system operated within permitted emission guidelines. The extraction <br /> points were also monitored Extraction at an individual well or probe <br /> was discontinued when hydrocarbon vapor concentration was reduced in the <br /> �. vicinity of that well or probe. <br /> z EVAX recommends than: a copy of this report be submitted to Hs. Laurie A. <br /> Cotulla of the San Joaquin County Public Health Services, Environmental <br /> Health Division. <br /> If you have an ' <br /> y questions, please da not hesitate to call: } <br /> Sincerely, <br /> } EVAX Technologies, Inc: <br /> d? y <br /> Christopher J. Peoples <br /> . Project Engineer <br /> ;ar _ <br /> tw <br /> k <br /> Enc l--os.ure:_.._.Site-.P-1 an- <br /> Monitoring Sum_7;ary ' <br /> - - r <br /> w — <br /> 2 i <br /> i <br />