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i <br /> '. <br /> • AMBRIA <br /> • —mm- ice.ldE. <br /> • April22, 1996 <br /> Mr.Ron Rowe <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Ave.,3rd Floor <br /> Stockton,California 95201-0388 <br /> Re: Shell Service Station <br /> 341 East Main <br /> Ripon,CA <br /> Dear Mr.Rowe: <br /> As we have discussed,Shell Oil Company(Shell)will be excavating two gasoline underground storage tanks <br /> (USTs)on or after April 24, 1996. This letter serves as the Workplan for potential corrective action at the <br /> site. Attached are the Masterfile Record Information Form,the site Health and Safety Plan,and the$390 <br /> fee for the CAP. It is our understanding that the$390 fee is based on an estimated S hours of SJCPH field <br /> time and that if the County does not require S hours for this project,the balance of the fee will be refunded. <br /> Workplan <br /> v Shell will be removing two gasoline USTs from the site on or after April 24, 1996. After the tanks are <br /> removed from the excavation,soil samples will be collected according to SJCPH guidelines. If significant <br /> concentrations of hydrocarbons are encountered during the excavation, Shell may elect to overexeavate <br /> native soil and stockpile the soil on site. The soils will be stockpiled on plastic sheeting at the site and <br /> covered with plastic sheeting. The soil stockpile will be sampled and maintained for future treatment or <br /> disposal. Two new USTs will be installed directly into the excavation. <br /> Closing <br /> We appreciate your assistance with this site. Please call if you have any questions or comments. <br /> Sincerely, <br /> Cambria Envi nmental Technology,Inc. <br /> f <br /> tt Ma Leod,R G. <br /> al G logist <br /> cc:Jeff Granberry,Shell Oil Products Company <br /> Attachments <br /> D:1PWJECTSHF1,L\1UPM804\CAP.WPD <br /> I <br /> 1144 Sixty-Fifth Street Sante C Oakland.CA 94608 Per(510)420-M70 Phnns(510)42n-o7oi) <br /> 70 '7C1l7.J tIT)4QWWAl Tr-C17tiOTC CT'CT QCCT/77/trA <br />