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Advanced ENVlRONMENNTHEA LTHFloDIVISION <br /> 304 E.WeberAve -0388 = �� <br /> C�eoEnvi � ° ia9521nc. • �- <br /> Denied 0 . <br /> �o <br /> Conditions <br /> 08 September 1998 <br /> Date by <br /> AGE-NC Project Na. 98-0433 <br /> ',l EE'Cv,E.-E, 91,Nit'tE <br /> SEP i 1. 199$ . <br /> Mr. Ron Rowe <br /> San Joaquin County PHS-EHD N1Ii ,Os ME i7AL HEALTH <br /> 304 E. Weber Avenue,Third floor PERMIT/ SERVICES <br /> Stockton, California 95202 <br /> 'Subject: Soil Disposal -UST System Removal <br /> OLYMPIAN MBP-Jimco truck Plaza <br /> 22542 South Highway 99,'Ripon, California <br /> Dear Mr. Rowe: <br /> At the request of Mr. Tim Gipson of Olympian Oil,Advanced GeoEnvironmental, Inc. (AGE) has <br /> prepared to dispose of hydrocarbon-impacted,soils from the site located at 22502 South Highway <br /> 99 in Ripon, California. The soil volume removed during the underground storage tank (UST) <br /> system excavation was approximately 180 to 200 tons of impacted soil. Three USTs were removed <br /> from the site on 01 September 1998 and over the past month a total of ten dispenser islands and <br /> associated product lines were removed from the site. <br /> The excavated soil has been impacted with total petroleum hydrocarbons quantified as diesel and <br /> gasoline (TPH-g and TPH-d), volatile aromatic compounds (benzene, toluene, ethyl-benzene and <br /> total xylene: BTEX)-and methyl tertiarybutyl ether (MTBE). TPH-d was detected at maximum <br /> concentrations of 20,000 parts per million: ppm. TPH-g was detected at a maximum concentration <br /> 2,700 ppm. BTEX compounds were detected at a maximum concentration of 89 ppm of xylene. <br /> MTBE was detected at a maximum concentration of 3.5 ppm.The analytical results of stockpile soil <br /> samples are•depicted in Table 1. <br /> Based on the quantity of impacted-soil removed,the Jimco Truck Stop lacks adequate space to aerate <br /> the impacted-soil or conduct enhanced ex-situ bio-remediation of the soils without causing an <br /> economic hardship to the truck parking services at the site.Additionally,the based on the long-chain , <br /> hydrocarbons detected in the.soils(TPH-d),the duration of a successful soil treatment-'program could <br /> exceed the overall site assessment. <br /> • Based on the options for the disposal/treatment of the impacted-soil,AGE has prepared to dispose <br /> of the soil at Forward Landfill in Manteca. The cost for soil disposal will be pre-approved by the <br /> Underground Storage Tank Cleanup Fund (USTCF), or will meet the initial cost deductible. <br /> 4005 North Wilson Way, Stockton,California 95205 <br /> Telephone(209)46771006 FAX(209)467-1118 <br />