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TRACY OFFICE PLAZA Page 1 of 2 LTCP Checklist - G_.1 GEOTRACKER HOMEMANAGE PROJECTS I REPORTS I ag&8gE I L�24SII TRACY OFFICE PLAZA(T10000006069)-VAP I His SI Te OPEN-SITE ASSESSMENT 324 EAST ELEVENTH STREET CLEANUP OVERSIGHT AGENCIES TRACY,CA 95376 ACTIVITIES REPORT SAN JOAQUINCOUNTY LOP(LEAD)-CASE#:0002083 SAN JOAQUIN COUNTY PUBLIC WEBPAGE CASEWORKER:VICKI MCCAR77VEY-SUPERVISOR:ADRIENNE ELLSAESSER VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB(REGION 5S)-CASE#:391192 CASEWORKER:JAMES BARTON-SUPERVISOR:CORI CONDON THIS PROJECT WAS LAST MODIFIED BY NOEL HENDERSONON 8/262014 2:30:47 PM-HISTORY CLOSURE POLICY THIS VERSION IS FINAL AS OF 6/26/2014 CHECKLIST INITIATED ON 8n6PM3 CLOSURE POLICY HISTORY General Criteria-The site satisfies the policy general criteria-CLEAR sECTIoN ANSWERS F NO a.Is the unauthorized release located within the service area of a public waters stem? Name cf Water System: TRACY f' YES NO b.The unauthorized release consists only of petroleum finfo. 6 YES r NO c.The unauthorized("primary")release from the UST system has been stopped. r* YES r NO d.Free product has been removed to the maximum extent practicable JM. t: FP Not Encountered r YES r NO e.A conceptual site model that assesses the nature extent and mobility of the release has been developed info Description(Check all that Apply): F GW Not Evaluated F Groundwater Assessment Incomplete-Areal Extent of Contamination Not Defined P Groundwater Assessment Incomplete-Depth of Contamination Not Defined r Hydrogeology Not Adequately Defined r YES t: NO Potential Receptors Not Identified F Soil Assessment Incomplete-Areal Extent Not Defined P Soil Assessment Incomplete-Depth Unknown F Soil Vapor Not Evaluated F Other - f.8 condary source has been removed to the extent practicable info. Impediment to Removing Secondary Source(Check all that Apply): F Remediation Has Not Been Attempted r Remediation Was Designed Incorrectly r YES (' NO F Remediation Was Shut Off Prematurely F Poor Remediation 08M P Other - JPhase I investigation identified the property g.Soil or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section 25296.15. ( Not Required (' YES r NO h.Does a nuisance exist,as defined by Water Code section 13050, r YES !: NO 1.Media-Specific Criteria:Groundwater-The contaminant plume that exceeds water quality objectives is stable or decreasing in areal extent,and NO meets all of the additional characteristics of one of the five classes of sites listed below.-CLEAR SECTION ANSWERS EXEMPTION-Soil Only Case(Release has no3 Affected Groundwater-Info) r YES f' NO Does the site meet any of the Groundwater specific criteria scenarios? r YES C: NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Plume Length(That Exceeds Water Quality Objectives): C t 100 Feet and<250 Feet r t 250 Feet and<1,000 Feet r t 1,000 Feet 0 Unknown Plume is Stable or Decreasing in AREAL Extent: r No 6 Unknown Free Product in Groundwater: C Yes r No 6 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) C 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 r Yes r Unknown Benzene Concentration C t 1,000 Ng/I and<3,000 Ng/1 r z 3,000 Ng/I ('Unknown MTBE Concentration: r t 1,000 pg/I r Unknown Nearest Supply Well(From Plume Boundary): C s 250 Feet r>250 Feet ands 1,000 Feet 0 Unknown Nearest Surface Water Body(From Plume Boundary): C s 250 Feet r>250 Feet and 51,000 Feet r Unknown https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=T 1... 6/26/2014