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CETN7R.AL VALLEY REGIONAL WATER QUALITY CONTROL BOARD <br /> CASE CLOSURE CHECKLIST <br /> Leaking Underground Storage Tank Program <br /> ' This checklist, CASE CLOSURE letter, and the Unauthorized Release Report Form (URF) is to be <br /> retained by the Regional Board and Local Implementing Agency as documentation of release and <br /> subsequent closure action All files and reports will be placed on microfiche for review <br /> I. Case Information <br /> LUSTIS Case no. URF filing date Closure date <br /> Site name/county Manteca Unified School District <br /> Site address 2901 E Louise Ave,._ City Lathrop Zip 95330 Phone (209) 825-3221 <br /> Table I - Responsible Party Information <br /> ' Responsible parry Name Address. City, Zip Phone <br /> Property owner Manteca Unified 2901 East Louise Avenue <br /> ( 209 ) 825-3221 <br /> Operator I Peggy Marshall ( ) <br /> ' Operator 2 ( } <br /> Operator 3 ( } <br /> Release and Site Characterization Information <br /> Tanksize(s) 12,000-2anon & 12 000- anon Fueltype(s) .. diesel and unleaded gasoline <br /> ' Chemical type(s) and quantiry(ies) released Diesel , gasoline, BTEX, quantities unknown <br /> Table II-Lateral and Vertical Extent of Contamination . <br /> Environment Lateral (ft) Vertical (ft) Contaminant ConcentratioNWe <br /> ' Soil 40 23 BTEX TPH TPHd ND - 1 100 Groundwater 40 12-17 Benzene < 0.0005-0.0 <br /> Soil type at the site Silty sands and clayey, sandy silts <br /> ' Source of drinking water under SWRCB POLICY 88-63 No <br /> Were nearby wells (Domestic, Municipal, Ag, etc.) monuored? Yes No X <br /> Wells affected (Domestic, Municrpal, Ag, etc.) None <br /> Highest and lowest depths to groundwater 12. 15-16.68 feet <br /> easonal groundwater gradient(s) and directions 0.001 ft ft to the west <br /> ame of Regional Water Quahty Control Pian (Basin Plan) aquifer affected (see attached) <br /> Basin 5B San Joaauia Qouply.„_,,,_- .-•, -,-,-• �_ <br /> Surface water impacted? Yes No X <br /> ' Nage of surface water body of----_ <br />