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• Ser'. <br /> ENVIRONMENTAL HEALTH DIVISIOI-. `80� <br /> 304 E.Weber Ave.Third Floor <br /> P O. Sox 388, Stockton CA 95201-0388 <br /> Approved <br /> Denied �� <br /> �. <br /> Conditions Z leK'1 <br /> Mu <br /> Date by <br /> �YW 0- Atk B R 0 W N AND <br /> TAM& <br /> CALI? WELL . _ <br /> � �� � May 25,1999 <br /> J�'�/ JI/ �r 1 `' '` Mr.Ronald Rowe <br /> ! ' 1 v r ' s San Joaquin County Public Health Services <br /> y / y/j>►rl304EnvironmentalrHealth Division 30�4WebsterAvenue <br /> Post Office Box 388 <br /> s Stockton,California 95201-0388 017-16271-01/1 <br /> Subject: Work Plan for Soil Sampling of Former Diesel UST Over Excavation, <br /> I ] TStT Trucking,11396 North Highway 99,Lodi,California <br /> Dear Mr.Rowe: <br /> (�y On behalf of T&T Trucking,Brown and Caldwell(BC)is submitting thisletter report and <br /> work plan for the collection of soil samples within the over excavated area of the former <br /> 10,000-g2llon diesel underground storagge tank(UST)at the subject site(Figure 1). This <br /> letter report and workplan is required by the San Joaquin Public Health Department, <br /> Environmental Health Division(FHS/EHD)prior to the collection of any additional soil <br /> samples and subsequent closure of the diesel UST site. The purpose of the additional soil <br /> sampling is co characterize the lateral and vertical extent of diesel-impacted soil in the <br /> former diesel UST over excavated areas before the excavation is backfilled with appropriate <br /> L� material. The objective is to obtain`no further action'from PHS/EHD on this portion of <br /> G the T&T Trucking site. <br /> r � This letter report also summarizes initial UST removal and excavation sampling,analytical <br /> �AV <br /> V bzLf i/AW results,and discusses proposed sampling locations of over excavated areas based those <br /> 1` i sampling results. <br /> 11, <br /> G►1 �7I�(/ Diesel UST Excavation and Sampling <br /> S VIS, � - The diesel UST was removed and transported off sire by Johnson Petroleum Construction <br /> V NIL/ Inc.on May 6,1999. The UST was approved for removal by PHS/EHD and the local fire <br /> M ./ j department. <br /> {j The UST cavity is located on the south side of the workshop building,which is the main <br /> truck thoroughfare at this site(Figure 1). Under the direction of PHS/EHD two soil <br /> V samples were collected from the bottom the cavity,one on each end of the UST(W1-16, <br /> EI-16). These two soil samples were collected approximately three feet deeper than the <br /> LO D <br /> A excavation bottom at a depth of approximately 16 feet below ground surface(bgs). The <br /> ((,1}��ry+�l 7bu report mu prepared en sao dw=wuh rhe sw rdt of the urvnm mtcl conwLang vedastry at dv tune it mu <br /> prepared It should not be relied upon by parries otber than dense for u&m it rata preparc4 and then only m the extent of <br /> I &trope of mark VbX&trot 4rd""z04 Thu repot[dac rat gaaranter dxt eco additional envuvrementti cvn4mernatian <br /> • <br /> 4 bryond dxt dumbed tar dm report u=at t6esaa <br /> ncumnruwao+:.m�wncrri+smr <br /> /� En.+uxr+•ma�Figneereg anvCmwrin9•+nyyr�raiserncrs <br /> 96[6.H,f iOM AvENUE44 -012 640. (9161 3$ -9 CA 958]7•]627 <br /> ��,�-�/vY �■fV/�++y •�� {9561 S«-Q123 Fix�916�tSd-�]7J <br /> 64/ <br />