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r CAREER AVIATION t ,� Page 1 of 2 l W LTCP Checklist © GEOTRACKER HOME MANAGE PROJECTSI REPORTS I SEARCH I LOGOUT CAREER AVIATION (70607700806) - MAP MIS 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 WEBPAGE 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 PROJECT WAS LAST MODIFIED BY LISA MEDINA ON 811220134.20:13 PM - HISr0RY CLOSURE POLICY THIS VERSION IS FINAL AS OF BIV2013 CHECKUST INITIATED ON BIWO13 CLOSURE POLICY HISTORY General Criteria - The site satisfies the policy general criteria - CLEARSECION ANSWERS No a. Is the unauthorized release located within the service area of a public water system? YES r NO L. The unauthorized release consists only petroleum liotgl. r YES C NO c. The unauthorized ('primary') release from the UST system has been stopped. r YES r NO L Free product has been removed to the maximum extent practicable fel rFP Not Encountered r YES NO e. A conceptual site model that assesses the natureextent and mobility of no release has been developed Ll. Description (Check all that Apply): F GW Not Evaluated F Groundwater Assessment Incomplete -Areal Extent of Concentration Not Defined F Groundwater Assessment Incomplete - Depth of Contamination Not Damned F Hydrugeology Not Adequately Defined r YES r NO F Potential Receptors Not Identified r Soil Assessment Incomplete - Areal Extent Not Defined r Soil Assessment Incomplete - Depth Unknown r Sell Vapor Not Evaluated F_ Other _ f. Secondary source has been removed to the extent practicable fintc i. Impediment to Removing Secondary Source (Check all that Apply): r Remediation Has Not Beer Ati mpted r Remediation Was Designed Incorrectly YES r NO F Remediation Was Shut Off Prematurely r Poor Remedtagan O&M F Other - g. Soil or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section r Not Required r YES r NO 25296:15. In. Does a nuisance exist, as defined by Water Code section 13050. r YES r NO 1 . Media-Specific Criteria: Groundwater - The contaminant plume that exceeds water quality objectives is stable or decreasing in areal extent, and meets all of the additional characteristics of one of the five classes of sites listed below. - ClEoR F NO SECTION ANSWERS ExEM PTION - Soil Only Case (Release has not Affected Groundwater - Info) r YES r NO Does the site meet any of the Groundwater specific criteria scenarios? (' YES r NO ADDITIONAL QUESTIONS - Please indicate only those conditions that do not meet the policy criteria: Plume Length (That Exceeds Water Quality Objectives) : r ? 100 Feel and < 250 Feet r > 250 Feet and < 1 ,000 Feet r > t 000 Feel r Unknown Plume is Stable or Decreasing in AREAL Extent : r No r Unknown Free Product in Groundwater : r Yes r No (' Unknown Free Product Has Been Removed to the Maximum Extent Practicable : r No r Unknown For sites with free product, the Plume Has Been Stable or Decreasing for 5-Years (into) : r No r Unknown For sites with free product, owner Willing to Accept a Land Use Restriction (if required) : C No r Unknown Free Product Extends Offsite : C Yes r Unknown Benzene Concentration : r > 1 ,000 pg/l and < 3,000 pill r >- 3,000 pgll r Unknown MTBE Concentration : r ? 1 ,000 pg/I r Unknown Nearest Supply Well (From Plume Boundary) : C < 250 Feet r > 250 Feet and < 1 ,000 Feet r Unknown Nearest Surface Water Body (From Plume Boundary) : C < 250 Feet C > 250 Feet and <_ 1 ,000 Feet r Unknown https ://geotracker.waterboards.ca. gov/regulators/screens/closure—Policy. asp? . * * 8/2/2013