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Woodward-Clyde Consuitants <br /> California Water Quality Control Board <br /> March 14, 1985 <br /> Page Three <br /> 5. Remedial Action Design A variety of alternative cleanup <br /> techniques may be appropriate for remediation of this incident. <br /> These alternatives include passive product recovery from one or <br /> more wells, containment and recovery using a water table <br /> depression pump and a product recovery pump. Use of the existing <br /> industrial wastewater treatment plant for disposal of any <br /> produced water is being explored. It is anticipated that <br /> recovered product will be recycled. Alternative analysis will <br /> include consideration of degree of cleanup desired, recovery time <br /> requirements, and cost effectiveness. In the period during which <br /> the above described work is taking place, we have advised LOF to <br /> continue their existing program of oil and water recovery from <br /> the excavation at the leak point with some modifications to <br /> improve efficiency and safety. These modifications include <br /> enlargement of the existing collection sump in the excavation, <br /> use of a different type of pump and an increase in the pump cycle <br /> time. Shut in of the shallow well will be continued. <br /> We are prepared to begin our investigations immediately, and look forward <br /> to your response to our planned approach. We will be in contact with you <br /> in the immediate future. In the interim, please feel free to contact me <br /> should you have any comments regarding this plan or actions taken to date. <br /> We look forward to your cooperation in the timely remediation of this <br /> incident. <br /> Sincere X�/W& <br /> Robert W. Castle <br /> Senior Project Engineer <br /> RWC:rm <br />