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area of contamination was less than 27 ' wide by 27 ' long by 21 ' <br /> deep. <br /> ESTIMATE OF AMOUNT OF PRODUCT LEAKAGE: <br /> The present owners purchased the property in January, 1986; the UST <br /> had been out of service for some time prior to that date. The <br /> former owners of the property, Raxnbo Hakxng Co. , used the tank for <br /> fueling their fleet of vehicles. It was estimated that fuel usage <br /> averaged 400--640 gallons per week when the tank was in use; the date <br /> of installation of the tank, the total amount of gasoline used, and <br /> any records of spillage or loss, are not known. Therefore, it is <br /> not possible to make any kind of estimate of potential leakage. <br /> CONCLUSIONS AND RECOMMENDATIONS: <br /> From a review of the work that has been done to date, and an <br /> analysis of the laboratory results, it appears that the <br /> contamination has been removed, and that the excavation is clean. <br /> Additional soil removal and sampling does not appear warranted. <br /> It is recommended that the excavation be filled with clean fill <br /> dirt, properly certified and manifested, and returned to it 's <br /> original grade. It is further recommended that the spoil presently <br /> . stored adjacent to the excavation be transferred to a vacant <br /> Location immediately to the north , (designated "vacant area" on <br /> Plate VI , ) placed on plastic and properly covered. This will allow <br /> the owner to utilize the portion of the property presently occupied <br /> by the excavation and spoil , while soil remediation proposals are <br /> reviewed and a soil remediation plan is prepared for review and <br /> approval by your staff . <br /> We would appreciate your prompt review and response to this report; <br /> if you have any questions, or desire clarification, please do not <br /> hesitate to contact us at your earliest convenience. <br /> Y ur tr y <br /> RED Q� <br /> William anter <br /> &LI M J HUNTER <br /> cc: E. ngdahl <br /> Thorpe Oil <br /> NO 864 <br /> sTq�of CA�1FaQ�`k <br />