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CITY OF STOCKTON R—T)EVELOPMENT AGENCY Page 1 of 2 LTCP Checklist - Go GEOTRACKER HOME I MANAGE PROJECTS I REPORTS ES ARCH 1 LOGOUT CITY OF STOCKTON REDEVELOPMENT AGENCY(T0607765189)-MAP THIS SITE OPEN-SITE ASSESSMENT 216 CALIFORNIA ACTIVITIES REPORT CLEANUP OVERSIGHT AGENCIES STOCKTON,CA 95202 SAN JOAQUIN COUNTY LOP(LEAD)-CASE#:0001687 SAN JOAQUIN COUNTY PUBLIC WEBPAGE CASEWORKER:LISA MEDINA - SUPERVISOR:ADRIENNE ELLSAESSER VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB(REGION 5S)-CASE#:391160 CASEWORKER:JAMES BARTON - SUPERVISOR:BRIAN NEWMAN THIS PROJECT WAS LAST MODIFIED BY LISA MEDINA ON 6/24/2013 9:53:50 AM-EL51RY THIS SITE HAS SUBMITTALS.CLICK HERE TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. CLOSURE POLICY THIS VERSION IS FINAL AS OF 6/24/2013 CHECKLIST INITIATED ON 12/28/2012 CLOSURE POLICY HISTORY General Criteria-The site satisfies the policy general criteria-CLEAR SECTION ANSWERS No a.Is the unauthorized release located within the service area of a public waters stem? Name of Water System: ICity of Stockton-Calwater 6 YES E NO b.The unauthorized release consists only of petroleum Ji010. r YES r NO c.The unauthorized("primary")release from the UST system has been stopped. /' YES E NO d.Free product has been removed to the maximum extent practicable jjnfo. r FP Not Encountered 6 YES r NO e.A conceptual site model that assesses the nature extent and mobility of the release has been developed JbEQ1. Description(Check all that Apply): r GW Not Evaluated F Groundwater Assessment Incomplete-Areal Extent of Contamination Not Defined F Groundwater Assessment Incomplete-Depth of Contamination Not Defined F Hydrogeology Not Adequately Defined YES r NO F Potential Receptors Not Identified F Soil Assessment Incomplete-Areal Extent Not Defined P Soil Assessment Incomplete-Depth Unknown F Soil Vapor Not Evaluated 17Other - Slte not fully assessed f.S conclary source has been removed to the extent practicable Impediment to Removing Secondary Source(Check all that Apply): I—Remediation Has Not Been Attempted F Remediation Was Designed Incorrectly r YES 1' NO F Remediation Was Shut Orf Prematurely F Poor Remediation 08M F Other - IDiesel may be present g.Soil or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section 25296.15. Not Required r YES r NO h.Does a nuisance exist,as defined by Water Code section 13050. r YES G 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.-ri Fns NO SECTION ANSWERS EXEMPTION•Soil Only Case(Release has no Affected Groundwater-Info r YES r NO Does the site meet any of the Groundwater specific criteria scenarios? r YES G NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Plume Length(That Exceeds Water Quality Objectives): C>_100 Feet and<250 Feet r z 250 Feet and<1,000 Feet r z 1,000 Feet f'Unknown Plume is Stable or Decreasing in AREALExtent: C No r'Unknown Free Product in Groundwater: r Yes r No f'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(info) r No r Unknown For sites with free product,owner Willing to Accept a Land Use Restriction(if required) r No r Unknown Free Product Extends Offsite C Yes r Unknown Benzene Concentration r z 1,000 pg/I and<3,000 pg/I r t 3,000 pg/I r Unknown MTBE Concentration r z 1,000 Ng/I 1:Unknown Nearest Supply Well(From Plume Boundary): r s 250 Feet r>250 Feet and s 1,000 Feet r Unknown https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp... 6/24/2013