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IDBrusea <br /> Associates, Inc. <br /> Environmental Engineering Geology <br /> September 28, 2023 <br /> San Joaquin County Environmental Health <br /> 1868 E. Hazelton Avenue <br /> Stockton, CA 95205 <br /> WORKPLAN FOR ADDITIONAL BORINGS TO THE SOUTH OF <br /> FORMER UNDERGROUND FUEL TANK <br /> ANDERSON BARNGROVER RANCH PROPERTY <br /> APN 091-030-130 <br /> 14290 East Comstock Road <br /> Linden, San Joaquin County, California <br /> Brusca Reference No. 260-004 <br /> INTRODUCTION <br /> As requested, we have prepared this Workplan for additional assessment of groundwater impacts <br /> to the south of the former approximate 1,000-gallon diesel underground storage tank (UST) that <br /> was removed from the subject property in November 2022. The requirements for the additional <br /> site assessment were presented in a letter by the Central Valley Regional Water Quality Control <br /> Board (CVRWQCB) dated September 22, 2023.' This Workplan presents a description of the <br /> planned scope of work. <br /> A Vicinity Map showing the location of the subject property is presented as Plate 1. A Site Map <br /> showing the layout of the entire subject parcel with respect to nearby roadways is presented as <br /> Plate 2. A map showing the onsite farm facility along with the planned boring locations is <br /> presented as Plate 3. <br /> PLANNED INVESTIGATIVE ACTIVITIES <br /> General <br /> The planned additional investigative work at the subject property is intended to satisfy the <br /> requirements of the referenced September 22, 2023 CVRWQCB letter and to develop additional <br /> information to compare site conditions to Low-Threat Closure Policy (LTCP) criteria. The <br /> 1 CVRWQCB; "Request for Additional Assessment, Anderson-Barngrover Ranch, 14290 East Comstock Road, <br /> Linden, San Joaquin County;Case#292009,Global ID#T 10000020864"; September 22,2023. <br /> BruscaAssociates.com 9 P.O.Box 332,Roseville, CA 95661 9 Phone(916)677-1470 <br />