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DIGGER&WAD LLC FORK.UST Page 1 of 2 <br /> LTCP Cheeldist GEOTRACK RRHOMEI MA' GE QECTS IBEr'48L61 ecearH I"Wou'r <br /> OPEN.STTEASSESSMENT <br /> DIGGER&WAD LLC FORMER OST(70307795060)-MAP THIS SITE <br /> oclG AGENCIES <br /> 2478E.OAK STREET ACTIVITIES REPORT SAN JOAOUINCOUNTY LOP(LEAD)-LASE R:OOo17B1 <br /> STOCK <br /> CA 95205 CASEWORKER:MCO(KNOLL-51 CASE OR.ADRIENNE ELLSAESSER <br /> SAN JOAOUN COUNTY PUBLIC WEEPAGE CENTRAL VALLEY RVACB(REGION 5a7-CASEA:DWIID1 <br /> CASEWORKER:rAF' °Ba°TON-SUPERNSOR:BRIANNEWMAN <br /> YEW PRINTABLE CASA SUMMARY FOR THIS SITE CUF LHim tl:10372 CUF Pd.,Ky Assigned:D CUF Amount Poke!All <br /> THIS PROJECT WAS LAST MODIFIED BY miN KNOL ON INi]120130:28:04 AM-HI Ry <br /> THIS SITE HAS SUBMIITAL3.CLICK I=TO OPEN A NEW WINDOW W111H THE SUBMITTAL APPROVAL PAGE FOR THIS STE. <br /> CLOSURE POLICY THIS VERSION IS IN PROGRESS AS OF 5/31/2013 <br /> CHECKLISTINITIATED ON WIQ013 CLOSUREPOUCYHMT <br /> NO <br /> General Criteria-The site satisfies the policy general criteria-CLEAR SECTION ANSWERS <br /> a.Is the unauthorized release located within the service area of a Ublic water s stem? LYES G NO <br /> Name of Water SYstem: Calwaler ___. _.r.__- _. .._ <br /> - � -- n VES r NO <br /> b.The unauthorized release consists only of petroleum flQfM. <br /> r VES G NO <br /> c.The unauthorized('primary')release from the UST system has been stopped. <br /> tl.Free product has been removed to the maximum extent practicable JLfill. <br /> is FP Not Encountered r YES r NO <br /> .A conco fuel site model that assesses the nature extent, <br /> and mobilil of lha release has been tlevelopetl ifgj. <br /> e <br /> DeSotpfion(check all that Apply): <br /> F_GW Not Evaluated <br /> r Groundwater Assessment Incomplete-Areal Extent of Contamination Not Defined <br /> r Groundwater Assessment Incomplete-Depth of Contamination Not Defined <br /> r Hydrogeology Not Adequately tanned VES NO <br /> (j'' <br /> F potential RemptorsNotidentified <br /> Soil Assessment Incomplete-Areal Extent Not Defined <br /> r Soil Assessment Incomplete.Depth Unknown <br /> F Soil Vapor Not Evaluated <br /> (—Other - I. <br /> t Seconds source has been removed to the extent ractiw- Is int <br /> Impediment W Removing Secondary Souroe(Check ell thM Apply): <br /> r Remediation Has Not Been Attempted ' <br /> r Remediation Was Designed Incorrectly r YES NO <br /> F Remediation Was Shut OR Prematurely <br /> F_Poor Remediation O&M <br /> I—Other - L s.j ✓!.. <br /> g.Soil a groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section O Not Required r YES NO <br /> 252W 15, C VES r NO <br /> h.Does a nuisance exist,as defined by Water Code section 13050. <br /> 1.Media-Specific Criteria:Groundwater-The contaminant plume that exceeds water quality objectives is stable or decreasing in areal extent,and YES <br /> meets all of the additional characteristics of one of the Five Gasses of sites listed below.- cnoN ANSRERs C YES Jis NO <br /> EXEMPTION.Soil Only Cane(Release has Did Affected Groundwater-10[41 <br /> r YES r NO <br /> Does the site meet any of the Groundwater specific criteria acenaricsT / <br /> 1.1-The conteminant plume Nat exceeds water quality objectives is<100 feet in length.There is no free product.The nearest existing water supply well or y.' YES r' NO <br /> surface water body is>250 feet tram the dafned plume bountle Y <br /> 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vapor4neusion-to-airpothwsy ifsite- NO <br /> specific conditions satisfy Items 28,2b,Or 2C-c cAR SECTION ANSWERS <br /> r YES - NO <br /> EXEMPTION-Active Commercial Petroleum Fueling Facility <br /> C YES NO <br /> Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? <br /> r <br /> ADDITIONAL QUESTIONS.Please Indicate only those conditions that do not meet the policy criteria: <br /> Soil Gas Samples: <br /> is No Soil Gas Samples r Taken Incorrectly <br /> Exposure Type: <br /> r Residential rCommercial <br /> Free Product: <br /> C In Groundwater r In Soil r Unknown <br /> TPH in the Bloattenuation Zone: <br /> „r z too mg&g r Unknown r Soil samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) <br /> Bloattenuation Zone Thickness r Unknown <br /> r<5 Feet(No BioZone) p z 5 Fret and<10 Feel r z 10 Feet and<30 Feat r z 30 Feet r 30ft BioZona Compromised TPH>100mg4eg <br /> 02 Data in Bloattenuation Zone: <br /> CIN.0,20ata r02<4% r02z4% <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 6/24/2013 <br />