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UNOCAL#0187 It Page 1 of 2 <br /> LTCP Checklist Go GEO�CinE HON_lunun PRO) TslgEpyglgl3F98gff I Loeo1! <br /> UNOCAL 80187(70507700539)-MAP THIS SITE OPEN-WGa9LEFOR CLOSURE <br /> 437 MINER AVE EE <br /> NCIES <br /> ACTIVITIES REPORT NUPOVERSIGHTAGE <br /> SA <br /> $TOCKTON,CA 95205 N JOAQUIN COUNTY LOP(LEAD)-CASE A'1181 <br /> SAN JOAQUIN COUNT' PUBLIC WEBPAGE CASEWORKER: r -SUPERVISOR:ADRIENNE ELLSAESSER <br /> CENTRAL VALLEY RWQC13(REGION M-CASE t:310898 <br /> VIM aLECASE SUa" RV FORTH nE CASEWORKER:J9ME,$BARM -SUPERVISOR:CORI CONDOR <br /> CUP Claim 9:5847 CUP Priority Assigned:D CUP Amount Paid:ig <br /> THIS PROJECT WAS LAST MODIFIED BY NUE!H ND R ONON 4118BD143:49:18 PM-)1ISI48Y <br /> THIS SIZE HAS SUBMITTALS.CLICK It=TO OPEN A NEW WINDOW WITH nig SUBMITTAL APPROVAL PAGE FOR THIS SITE. <br /> CLOSURE POLICY THIS VERSION IS FINAL AS OF 411812014 CHECKLISTWMATED ONNisra013 C'OSURFPOIYHSTORY <br /> General Criteria-The site Satisfies the policy general criteria-CLEAR NOTIONANSWERS YES <br /> a.Is the unauthorized!release located within the serviuG area of a public water s Mem? r, VES C' NO <br /> Nameof Water System: Cal Water -___,___ -_____� <br /> Ie VES ONO <br /> b.The unauthorized release gj <br /> consists only of petroleum Da[M. <br /> hor <br /> c.The unauthorized('primary")release from Me UST system has been stopped. r YES C NO <br /> d.Free product has been removed to the maximum extent practicable M. C FP Not Encountered 0 VES O NO <br /> e.A conceptual site motleI that assesses the nature,extent,and mobility of the release has been developed [af . r YES O NO <br /> f.Secondary source has been removed to the extent practicable(info). Is YES O NO <br /> g.Soil or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Cod.Section C Not Requiretl is YES O NO <br /> 25296.15. <br /> h.Does a nuisance exist,as defined by Water Code sed'on 13050 C VES r NO <br /> 1.Media-Specific Criteria:Groundwater-The contaminant plume that exceeds water quality objectives is stable or decreasing in areal extent,and NO <br /> meets all of the additional characteristics of one of the five classes ofsites listed below.-^ ECTI cu.PR< <br /> EXEMPTION-Soil Only Case(Raleasa has D�Affected Groundwater.10k) <br /> C' YES pe NO <br /> Does the site meet any of the Groundwater specific criteria scenarios? O YES r 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 /> (aa z 100 Feet and<250 Fast C z 250 Feet and<1,000 Fact C z 1,000 Feel C Unknown <br /> Plume Is Stable c r Decreasing in AREA Extent: <br /> C No C Unknown <br /> Free Product in Groundwater: <br /> O Yea C No C Unknown <br /> Free Product Has Been Removed to the Maximum Extent Practicable <br /> C No C Unknown <br /> For sites with free product,the Plume Has Been Stable or Decreasing for 5-Years(info): <br /> C No C Unknown <br /> For sites with free product owner Willing to Accept a Land Use Restriction(If required) <br /> C No C Unknown <br /> Free Product Extends Offsite <br /> C Yes C Unknown <br /> Benzene Concentration <br /> r z 1,000 poll and<3,000 pgll C z 3,000 pg/I C Unknown <br /> MTBE Concentration <br /> C z 1.000 poll C Unknown <br /> Nearest Supply Well(From Plume Boundary): <br /> C s 250 Fast r.250 Feet and 51,000 Feet O Unknown <br /> Nearest Surface Water Body(From Plume Boundary); <br /> C s 250 Feet C>250 Feet and 51,000 Feet O Unknown <br /> 2.Metlia Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered/ow-threat for the Vapor-inbusion-to-airpathwaylfsite- YES <br /> specific conditions satiety items 2a,2b,or 2c- s oN AN""`.na <br /> EXEMPTION-Activs Commercial Petroleum Fueling Facility <br /> YES ONO <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered law-threat fordirect contact and outdoor air exposure YES <br /> if It meets 1,2,Or 3 below.-CLEAR ACTON ANSWERS <br /> EXEMPTION-The upper 10 feet of soil Is free of petroleucontamination r YES C NO <br /> m <br /> Additional Information <br /> Should this case be dosed in spite of NOT meeting policy criteria? <br /> r YES ONO <br /> site is cusently in the closure process <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_lolicy.asp?global_id=TO... 4/18/2014 <br />