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' CAL TRANS MAINTEN ' NCE YARD Page 1 of 2 <br /> LTCP Checklist - Go GEOTRACKER HOME I MANAGE PROJECTS 1 REPORTS ES ARCHIL BOUT <br /> CAL TRANS MAINTENANCE YARD(70607700546)-MAP THIS SITE OPEN-SITE ASSESSMENT <br /> 1604 B ST S ACTIVITIES REPORT CLEANUP OVERSIGHT AGENCIES <br /> STOCKTON,CA 95206 SAN JOAQUIN COUNTY LOP(LEAD)-CASE#:10193 <br /> SAN JOAQUIN COUNTY PUBLIC WEBPAGE CASEWORKER:LISA MEDINA - SUPERVISOR:ADRIENNE ELLSAESSER <br /> VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB(REGION 5S)-CASE#:390708 <br /> CASEWORKER:JAMES BARTON - SUPERVISOR:BRIAN NEWMAN <br /> THIS PROJECT WAS LAST MODIFIED BY LISA MEDINA ON 6/24/2013 2:01:53 PM-H Y <br /> THIS SITE HAS SUBMITTALS.CLICK HERE TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. <br /> CLOSURE POLICY THIS VERSION IS FINAL AS OF 6120/2013 CHECKLIST INITIATED ON 912612012 CLOSURE POLICY HISTORY <br /> General Criteria- The site satisfies the policy general criteria-CLEAR SECTION ANSWERS NO <br /> a.Is the unauthorized release located within the service area of a public waters stem? <br /> Name of Water System: CalWater YES NO <br /> b.The unauthorized release consists only of petroleum info. r' YES 6' NO <br /> c.The unauthorized("primary")release from the UST system has been stopped. (' YES C NO <br /> d.Free product has been removed to the maximum extent practicable JinfgI C FP Not Encountered 6 YES (' NO <br /> e.A conceptual site model that assesses the nature,extent,and mobility of the release has been developed itl2l. r' YES C NO <br /> f.S condary source has been removed to the extent practicable info. <br /> Impediment to Removing Secondary Source(Check all that Apply): <br /> F Remediation Has Not Been Attempted <br /> F Remediation Was Designed Incorrectly YES 6 NO <br /> F_Remediation Was Shut Orf Prematurely <br /> F_Poor Remediation 08M <br /> I—Other - <br /> 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 NO <br /> 25296.15. <br /> h.Does a nuisance exist,as defined by Water Code section 13050. C YES f' NO <br /> 1.Media-Specific Criteria:Groundwater-The contaminant plume that exceeds water quality objectives is stable or <br /> decreasing in areal extent, and meets all of the additional characteristics of one of the five classes of sites listed below.-c EAR F NO <br /> SECTION ANSWERS <br /> EXEMPTION-Soil Only Case(Release has not Affected Groundwater-Info) YES r' NO <br /> Does the site meet any of the Groundwater specific criteria scenarios? YES 6' NO <br /> ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: <br /> Plume Length(That Exceeds Water Quality Objectives): <br /> ('z 100 Feet and<250 Feet 6 a 250 Feet and<1,000 Feet r>_1,000 Feet ('Unknown <br /> Plume is Stable or Decreasing in AREAL Extent: <br /> r-No r-Unknown <br /> Free Product in Groundwater: <br /> t^Yes r No r-Unknown <br /> Free Product Has Been Removed to the Maximum Extent Practicable <br /> I^No C Unknown <br /> For sites with free product,the Plume Has Been Stable or Decreasing for 5-Years(info): <br /> f'No (^Unknown <br /> For sites with free product,owner Willing to Accept a Land Use Restriction(if required): <br /> r'No r-Unknown <br /> Free Product Extends Offsite <br /> ('Yes C Unknown <br /> Benzene Concentration <br /> (^s 1,000 Ng/I and<3,000 Ng/I r'2:3,000 Ng/I r-Unknown <br /> MTBE Concentration <br /> r'i 1,000 Ng/i r Unknown <br /> Nearest Supply Well(From Plume Boundary): <br /> r'5 250 Feet ('>250 Feet and 5 1,000 Feet (^Unknown <br /> Nearest Surface Water Body(From Plume Boundary): <br /> r<_250 Feet (->250 Feet and<1,000 Feet 6'Unknown <br /> 2.Media Specific Criteria: Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vapor- YEs <br /> intrusion-to-air pathway if site-specific conditions satisfy items 2a, 2b,Or 2c-CLEAR SECTION ANSWERS <br /> EXEMPTION-Active Commercial Petroleum Fueling Facility C YES r NO <br /> Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? G YES C NO <br /> 2a-Scenario 3(example):Dissolved Phase Benzene Concentrations Only in Groundwater(Low concentration groundwater scenarios with or without 02 YES <br /> measurements must satisfy one i,ii,or iii): <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?... 7/2/2013 <br />