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5� G R:,; JN. <br /> C 4LIiD 11X1• <br /> MAT,mFw <br /> '4RY Ri1yF) <br /> '1DR1a <br /> Water Boards "NYIR WMEN wI u LIE CTiil <br /> State Water Resources Control Board RECEI <br /> M <br /> USTCF 5-YEAR REVIEW SUMMARY AUG 0 9 2012 <br /> 5T" REVIEW— JULY 2012 <br /> ENVIROddMElMTi1,(,WWH <br /> rAq—ency <br /> enc Information PEPANTl N <br /> ency Name: San Joaquin County Address: 1868 East Hazleton Avenue, <br /> Environmental Health Stockton, CA 95205 <br /> De artment Count <br /> Caseworker: Harlin Knoll Case No.: 1830 <br /> Case Information <br /> USTCF Claim No.: 13455 Global ID: T0607700821 <br /> Site Name: Three Palms Grocery Site Address: 6732 East HWY 88, <br /> Responsible Party (RP): Three Palms Stockton, CA 95205 <br /> Address: 6732 East HWY 88, <br /> Grocery Stockton, CA 95205 <br /> USTCF Expenditures to Date: $440,055 Number of Years Case Open: 14 <br /> Summary -- <br /> A leak was identified in February 1998. Since 1999, 5 monitoring wells have been installed and <br /> have been monitored. Soil vapor extraction operated for 9,058 hours removed 2,666 pounds of <br /> TPHg. According to data available in GeoTracker, there is five California Department of Public <br /> Health (CDPH) regulated Public Supply Wells within '/z mile of the site. The nearest well is 685 <br /> feet southeast from the Site. To date, $440,055 in corrective action costs have been <br /> reimbursed by the Fund. Attachments 1 and 2 provide the technical data to support our <br /> recommendation. <br /> Recommendation <br /> Source area monitoring well MW-1 has historically had low concentrations of residual <br /> hydrocarbons in groundwater. However, after 12 years of monitoring, the source area <br /> groundwater concentrations have decreased in concentration. Analytical data indicate that <br /> WQOs have nearly been achieved in all site wells. Based on facts in the record and hydrologic <br /> and geologic conditions at the site, the limited residual petroleum hydrocarbons that remain in <br /> soil and groundwater pose little risk to human health, safety and the environment. The Fund <br /> recommends that the County review this site for closure. <br /> Kik Larson, P.G. Date Robert Trommer, C.H.G. Date / <br /> Engineering Geologist Senior Engineering Geologist <br /> Technical Review Unit Chief, Technical Review Unit <br /> (916) 341-5663 (916) 341-5684 <br /> CHARLES R. HOPPIN. CHAIRMAN I T'QMXf ' H W,'ARO, EXECUTIVE DIRECTOR <br /> 'C. I cSL rht Sr.ran L-111),CA 9559!4 1 MT11n,j Aad,e.a P.i2 Bc�X 10r1.Sal ran-erlc.-CA')P=112-vtliU ronv.wa f1:. -.i <br />