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Page 1 of 1 PUBLIC WORKS .e1 . O _mRjHade L•••AD vaaF-GTS ISEP961.51 SEABg111 LOS�1lT Pathw Closure Plan OO ppElg-S1fEAssEss"IEHF PUBLIC WORKS(TD607700373)-MAP THIS SITE xc Es 1810 HAZELTON AVEE CTIVITIES REPORT how POAamN COUNW LO'(LEAD)-cnsEHBFN+-suPERwsoR:ADRIENNE ELLSAcSSER 11gEwORXER;MGE1 CA STOCKTON.CA 95201 BLG W�BPAGE CENTRALVALLEYRWUCB(RE1ION551-LASEY3yXxy SAN JOAQUIN COUNTY Cp3EWORI(ER: °iF ARTON-sUPERVISOR O'ORI LONWN VEVVPRIIII diTHe ellE CUF PrIaMy Assl9nel:0 OUFAmakkr a1;:aw Cup Culm e:11390 THIS MROJELT V145 LAST MODIFIED BV mra HcupER3dlON 12/1180131:00 d PM-BI,SPDR1 TH6 gNE He3 sU3NITTNLB.LL1CH11CBGTOOPEN ANEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SRI. OSLRE PLeN /_nREHLSTORY Peed to Cl...Plan TMS VEFSION IS FINAL AS OF f2l111M1] IUPPDIMENTI: F7:1:1 Prowduralimpediment-NM General Criteria F:Secondary source has NOT been removed to the extant practicable coMplaTaN DATE Steplp RaMha MpedteNMt-sb 1:- 5VE/lA5 pilot testing hes Oeen pezfoin g and a report with en as bean su of it.cit appears t in retlucin.contaminant concenttatinns in gtaundwa[ea over tine Ma bean sextracti; It t.dropped Net the 12A1YN1< 1?J11(p13_ c[San[a<�d[o�•tl to lox -J pilot feet [moved o sire octlet of 2�c0n pouMa :=;�Camini-residents and [ vc - �. xMe�fnee..c_.nuae�rnat_ eM.+uM ,at eL BIIP IMPEDIMENT 2' 'fl criteria: d at :The contaminant plume that exceeds Water quality objectives is f Procedurallmpediment - ly[p NOT stable or tlecreasing In areal extent, -roses NOT meet all of the additional characteristics of one of Me five classes or sites. Conditions Mal do not .at the policy criteria: • Plume Length(That Exceeds Water Quality Objectives):t 100 Feet and c 250 Fast • Benzene Concentration:23,000 P9/1 • MTBE Concentration:21,000 pg/1 • Nearest Supply Well tFrom Plume Boundary):>250 Feet and 51,000 Fact _ COMPLETION OATS I's N,E lnp 0000 31e 1. .9/1- technology a work plan O[o pSlae teat a techno MBE to ed1ce ug/1 and[educe Eeniene to ions. 9/1. 9uEdit technology to xtluce benzene An.,or-a—[rations. B({ry2010 is up,se lGpedklNnt 3-Step 2'-DELETEs a eCMpLEIMIN DATE Inpl t pilot to d submit a report of finds g 1 1,zecmme dOtlona and a corrective actien plan. 121d1/201C �— to R,Ak,S op•dteNM z.Step]:-DE ET T P cospityrox-TE conduct PUOlic patticipa[Son for the CAP L---� 3912015 � cOMPLE11oN DATE Inplenent approved corrective actron no [educe Een-ars Ontl M.B.concentrations aufflclently for LR[P application 1281/2015 - ADDADDITIONALSUIP IMPEDIMENT 3: _ M til 5 Ifl Cdt P tr I V I lru Ion to Indoor Al r:The site is NOT considered low-Mrsat for F rl Procedural Impediment-NFO the vapor-Intruslon-to-air pathway and site-specRic conditions do NOT Satisfy Items L,2b,or 2c. Conditions that do not meet the policy criteria: • Soil Gas Samples:No Soil Gas Samples • Exposure Type:Commercial • TPH in the BioaHenuation Zone:2100 mg/kg • 02 Data in BioaHenuation Zone:No Oz Data • Benzene in Groundwater:2 1,000 pg/I • Soil Gas Benzene:Unknown a Soil Gas Ethylaonzene:Unknown • Soil Gas Naphthalene:Unknown 9tePro Ra•oMM inNM]-Step l:- COMplE111014 DATE This SO a county cote. Yard site and is an active non-crnmsrial petroleum fueling facility! vehicle aM AQUAL equipment are cored and parked, and vehicel malnteNnce occurs which may have spillage at the dispensers and from the malntename shop in the source area by mi. SSne finalizing the LTCP eM1ecklfet, _P2%dl/2015 1811/2013 nn.Pwn n.._tea.nmsiurinn.iceaea..wu..LwwndeWavaa[.aa.'h stte ADDADDITMALSTEP lru_-�^•^� - Aae eDGmplLL 62p REQUIREMENTS ALONG PATH TO CLOSURE OATS IDENTIFIED RPNoMICATON PUBUGME1391PATON WELLDESTRUCTSK! le AANDUtt FORFOR C�CLMUREINITAMDBY - D=M LO TON DATE BUTRICTION DATESITE CLOSURE U�11E DMIdmMnedrw Closure1suedateall I m Prolmen+s10010sure h"'been removed Ir l Save Form as Patiatly Completed I Save Form as Complete LOGGED IN AS HENDERSCNN CONTACT Fri OTn�y,711> ACKER HELP https://geotracker.waterboards.ca.gov/regulators/screens/closure—policy.asp?global_id=T... 12/11/2013