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HUMAN SERVICES AGE CY �.I Page 1 of 2 <br /> LTCP Checklist z Go gEOTRAGKER HOA".E MANAGE PROJECTS HEPQBI$ -I LS GOU <br /> HUMAN SERVICES AGENCY(T0607700218)-MAP THIS SITE OPEN-SIrEASSESSMENT <br /> 145 SUTTER STSACTIVITIES REPORT CLEANUP OVERSIGHT AGENCIES <br /> STOCKTON,CA 95202 SAN JOAQUIN COUNTY LOP(LEAD)-CASE#:1257 <br /> SAN JOAQUIN COUNTY PI IRI IC WEBPAGE CASEWORKER:LISA MEDINA - SUPERVISOR:ADRIENNE ELLSAESSER <br /> VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB(REGION 5S)-CASE#:390296 <br /> CASEWORKER:JAMES BARTON - SUPERVISOR:CORI CONDON <br /> THIS PROJECT WAS_AST MODIFIED BYLrce MM ON&220132:32:61 PM-HIATORY <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 IN PROGRESS AS OF 8/2/2013 CHECKOSTIN/TIATEDOhf L 13 Cl OSURE POLICY HISTORY <br /> General Criteria-The site satisfies the policy general criteria-cLFARsecTION AN PS YES <br /> a.Is the unauthorized release located within the service area of a public water s stem? <br /> r VES C' NO <br /> Name o/Wabr system: Cal Water <br /> b.The unauthorized release consists only of petroleum ull Is YES r NO <br /> c.The unauthorized('primary)release from the UST system has been stopped. r YES r NO <br /> d.Free product has been removed to the maximum extent practicable Linfa r FP Not Encountered r YES r NO <br /> e.A conceptual site model that assesses the nature,extent,and mobility of the release has been developed info. r VES r NO <br /> I Secondary source has been removed to the extent practicable fillf9j. (• YES r NO <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 r NO <br /> 25296.15. <br /> In.Does a nuisance exist,as darned by Water Code sW on 13050 YES IF 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.-cuEAfl NO <br /> SECTIQN ANS RS <br /> EXEMPTION-Soil Only Case(Release has not Affected Grountlwater-Info) r YES r NO <br /> Does the site meet any of the Groundwater specific criteria scenarios? r YES Is NO <br /> ADDITIONAL QUESTIONS-Please Indicate only those conditions that do not most the policy criteria: <br /> Plume Length(That Exceeds Water Quality Objectives): <br /> r k 100 Feet and 1250 Feet r a 250 Feet and<1,0W Feet r a 1,0W Feet r Unknown <br /> Plume is Stable or Decreasing In AREAL Extent <br /> C'No r Unknown <br /> Free Product in Groundwater: <br /> r Yes r No r Unknown <br /> Free Product Has Basin Removed to the Maximum Extent Practicable <br /> C No r Unknown <br /> For sites with free product,the Plume Has Been Stable or Decreasing for 54ears(Info): <br /> r No r Unknown <br /> For cites wit tree product owner Willing to Accept a Land Use Restriction(if required): <br /> r No r Unknown <br /> Free Product Extends Offsite: <br /> r Yes r Unknown <br /> Benzene Concentration <br /> r z 1,000 pg/I and<3,000 pgrl r z 3,000 Pgll r Unknown <br /> MTBE Concentration: <br /> r z 1,0 pg/I (_Unknown <br /> Nearest Supply Well From Plume Boundary): <br /> C s 250 Feet is >2SO Feet and s 1,000 Fast r Unknown <br /> Nearest Surface Water Body(From Plume Boundary): <br /> r s 250 Feet r>250 Feet antl s 1,000 Feet r Uolmown <br /> 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vapor- NO <br /> intrusion-to-air pathway if site-speck conditions satisfy items 2a, 2b,or 2c-gWA&§UngRM1M& <br /> EXEMPTION-Active Commercial Patraleum Fueling Facility r YES r NO <br /> Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? r YES r NO <br /> ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet to policy criteria: <br /> Soil Gas Samples: <br /> r No Soil Gas Samples r-Takenlncomectly <br /> Exposure Type: <br /> C Residential r Commercial <br /> Free Product: <br /> r In Groundwater r In Soil r Unknown <br /> TPH in the BicaHenuation Zone: <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?... 8/2/2013 <br />