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CAREER AVIATION Aaw Page 1 of 2 LTCP Checklist © GEOTRACKER HOMES MANAGE PROJECTS I REPORTS I SEARCH I LOGOUT CAREER AVIATION (70607700806) - MAP THIS SITE. OPEN - SITEASSESSMENT 6250 LINDBERGH ST CLEANUP OVERSIGHT AGENCIES STOCKTON , CA 95211 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP (LEAD) - CASE #: 1640 SAN JOAQUIN COUNTY PUBLIC WEEPAGE CASEWORKER: LISA MEDINA - SUPERVISOR: ADRIENNE ELLSAESSER VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB (REGION 5S) - CASE #: 390985 CASEWORKER: JAMES BARTON - SUPERVISOR: CORI CONDON THIS PROJECTWAS LAST MODIFIED BY LISA MEDINA ON 6=1311:50:20 AM - (STORY CLOSURE POLICY THIS VERSION IS IN PROGRESS AS OF 61212013 CHECKLISTINLIATED ON6I2/T0I3 CLOSURE POLICY HISTORY General Criteria - The site satisfies the policy general criteria - CLEAR SECTION ANSWERS No a. Is the unauthorized release located within the s area of a public water s stem? // I C service ar VES r NO Name of Water SYstem Clly (Stockton e - � � . f � , 'I ✓ J b. The unauthorized release consists only of petroleum iint2 IJ ' V' =-* VES r NO c The unauthorized (•primarl') release from the UST system has been stopped. 6-VES r NO d. Free product has been removed to the maximum extent practicabiefintg Not Encountered r YES r NO e. A conceptual site model that assesses the nature extent and mobility of the release has been developed finfel. Description (Check all that Apply): F GW Not Evaluated r Groundwater Assessment Incomplete -Areal Extent of Contamination Not Denied F Groundwater Assessment Incomplete - Depth of Contamination Not Defined r Hydrogeology Not Adequately Defined r YES G NO F Potential Receptors Not Identified r soil Assessment Incomplete -Areal Extent Not Defined F Soil Assessment Incomplete - Depth Unknown -J�Soil Vapor Not Evaluated F Other - f. Secondary source has been removed to the extent practicable link 11. rF dimentto Removing Secondary Source (Check all Mat Apply): Refectories Has Nat Been AttemptedmReediationWasDesignedIncorrectly YES NO ResuscitatioResuscitation Was Shut Off Prematurely Poor Remediation O&M Other - IF $oil 2groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section 5256.1 r NotRequired yES r NO h. Does a nuisance exist, as defined by Water Code section 13050. r YES f NO 1 . Media-Specific Criteria: Groundwater - The contaminant plume that exceeds water quality objectives is stable or decreasing in areal extent, and meats all of the additional characteristics of one of the five classes of sites listed below. - cLMH NO SECTIONANSWERS EXEMPTION - Soil Only Case (Release has not Affected Groundwater - Info) r VES 'ANO Does the site meet any of the Groundwater specific criteria scenarios? r YES PR'NO ADDITIONAL QUESTIONS - Please indicate only Mose condi0ons that do not meet the policy criteria: Plume Length (net Exceeds Water Quality Objectives) : / C 2100 Feet and < 250 Feet r 2 250 Feet and < 1 ,OOD Feel r 2 1 ,000 Feet (?`Unknown Plume is Stable or Decreasing in AREAL Extent : r No C Unknown ' Free Product in Groundwater : r use r No Unknown I - / mI J p +:1 T :./ ft. 52. Free Product Has Been Removed to the Maximum Extent Practicable : ' )I " � . J ✓M. i l• j !f r 11^ ' P r I here, ek'Ky rNo RUnknown Vq e: 'I Ie;) gkf d:, -firFor sites sites with free product, the Plume Has Been Stable or Decreasing for 5-Years (info) r No G Unknown For sites with free product, owner Willing to Accept a Land Use Restriction (if required) C No r Unknown Free Product Extends Offsife : r Yes r Unknown N // Benzene concentration : r 21,000 pg8 and < 3,000 pgll r• 23,000 pgII C Unknown MTBE Concentration : r 21,000 pgll r Unknown -_ Nearest Supply Well (From Plume Boundary) : C s 250 Feet G > 250 Feet and s 1,ODO Feet r Unknown j1 Nearest Surface Water Body (From Plume Boundary) : `\ https ://geotracker.waterb oards. ca. gov/regulators/screens/clo sure_policy. asp? . . . 8/2/2013