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e <br /> An alternative to direct discharge to the industrial sewer would be to haul the effluent by truck from the <br /> site to a established industrial sewer service point. This would require a holding tank on site capable of <br /> storing about 15,000 gallons. The trucking operation would entail filling the truck from the holding tank <br /> and hauling about four loads per day to the industrial sewer service point. <br /> The cost to establish the direct connection to the industrial sewer manhole would be about $25,000 <br /> compared to installing a portable holding tank of about $10,000. The additional cost of the hauling <br /> operation would overcome the high cost of the direct sewer connection after about fifty days of <br /> Operation. The most critical decision that will be required by this project is the number of days of <br /> extraction required to meet cleanup levels. If extraction pumping is over sixty days,the most economical <br /> alternative is the direct connection to the industrial sewer. <br /> Monitoring and Reporting Remedial Plan Effectiveness <br /> This plan would require additional monitoring over and above the present quarterly monitoring and <br /> reporting. Monitoring of the effectiveness of the Activate Carbon Filter effluent would require analysis <br /> of effluent on a weekly basis for the first month of operation. The onsite monitoring wells should be <br /> analyzed monthly to determine the effectiveness of the pump and treat system.Reporting of the findings <br /> from the sampling and analysis of the pump and treat system would be added and become a part of the <br /> quarterly monitoring report. <br /> SummM of Remedial Plan <br /> The Remedial Action Plan would use the existing extraction well to pump about 15 gallons per minute <br /> into an Activated Carbon Filter system to remove the organic compounds in the contaminated <br /> groundwater. The discharge from the Activated Carbon Filter would be placed in the City of Lodi <br /> . Industrial Sewer for disposal. The method of transporting the effluent could be by direct discharge <br /> through a 1"diameter pipe jacked under Kettleman Lane or by tanker truck to an existing sewer service. <br /> The City of Lodi will not permit direct discharge of effluent into the city sanitary sewer. Effectiveness <br /> of the pump and treat system would be monitored weekly for the first month. After the first month of <br /> operation of the system, monitoring would be on a monthly bases. <br /> A work plan will follow upon the acceptance of this Remedial Action Plan. <br /> Please contact Ervin Rifenburg at 209/368-9381 if you have any questions concerning this plan. <br /> Respectfully submitted, <br /> E ES S1pyR <br /> WEN f <br /> 8e.Uq gc <br /> Foo Eng' <br /> � m <br /> {L � <br /> Ervin Rifenbur PE <br /> OFC <br /> cc: Diana Maragos,Attorney for Sun West Liquors, <br /> W. T. Mitchell Group, Owner <br /> Marty Hartzell,RWQCB <br /> iAttachments: Appendix A and Appendix B <br /> 5 <br />