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MAIN STREET INVESTORS 41 Page 1 of 2 <br /> ^<OTR<^_KE0.XCA:E ' u �ECTB 8E6"8T3 SFE89U LOD <br /> LTCP Checklist -- ® OPEN-ELHUBLEFOR CLOSURE <br /> MAINSTREET INVESTORS tTM077624221-MAP THIS SITE <br /> RS GfR AOENCIEE <br /> 601 E.MAIN STREET AMMU REQu SANJOAouw COUNTY LOP(LEAD)-CASE.:39-0515732 <br /> STOCKTON CA 95202 B N'°BPA- CASEWQFKEFt LhN D'Culnr°-SUPERwaol ADRIENNE ELLSAESSER <br /> SAN JOAOUIN COUNTY CENTRAL VALLEY RANKS(REGION 511-CASSX 391157 <br /> SIE CASEWORI(EF: eRrCN-sUPERVI5OR:COR]CONDON <br /> VIMPRINTABLE <br /> CR SM ID.:NOT SPECIFIED <br /> THIS PROSECT NNS LAST MODIFIED BY ON WIgQH5 Is9:14 AM-72L5TS1HY <br /> THIS SITE HAS UNAPPROVED sU9MnTALS.CLICK IIF6E TOGPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PACE FOR TH64RE. <br /> CLOSURE POLICY <br /> THIS VERSION ISFINAL ASOF3H9/2015 cxECNusnrmuTm oxarv2sn "^TO"— <br /> YES <br /> General Criterla-The site satisfies the policy general criteria- <br /> ^=ee oN AuswEas <br /> a.is the umsthonzetl release located wthin Ne senior area d a uNic yAdBr s stem? r YES r N <br /> Named WNers tem: <br /> CALNATER <br /> Is YES r N <br /> b,The unauthorized release consists only d petroleum tl0tsl As YES r N <br /> c,The unauthorized(-Pdmarn release from Its UST system has bean stopped. <br /> r FP Not Bncwnterad M YES r N <br /> d.Free product has been removed b in.maumum extent predicable➢Dtg1. f• YES r N <br /> e.A conceptual site model that assesses Nana f.extent,antl mobility of Ne release has been developedt=. Is YEE; r N <br /> f.Secontl W source has been removed M Ne-Ment Pr-dti bl-El U r Not Required r YES r N <br /> g.&it or gmundweler has been NAHKI for MTBE and results reported in acmltlanrswith Health,and Safety Code Section 25298.15. r YES r' N <br /> M1.Does a nuisance exist,as defined by Water Code section 13050. <br /> 1.Media-SpadSc Criteria:Groundwater-The contaminant plume that exceeds wafer quality objectives is stable wdecreasirg in creel extent,and meets all of the additional C <br /> Characferish'CS ofone of the five ctasses pf sites listed below.-cLEsGx AuawERs <br /> O YES r N <br /> EXEMPTION-Sell Cray Caae(Release has=Affected GrouMwater-IDW .r YES rN <br /> Does the site meet any of the Groundwater specific cdterla Scenarios? <br /> 1.2.The consurnent plume matoxceetlswaterquelityobjecbvesis<250feetinlm .There is nches ploMrct Theneerest edstirg water supply NSI asulface water body is>1,OW or YES r N <br /> restrrom 9nB defined plume bounda y,The dGadved concentration dba¢ena Ie,4,000 Hot_The dssdvetl 4mmnlreGwl d MTBE la 9-1,000 Pg�t. <br /> 2.Media Specific Crpwrla:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threatfor the vapor-intrusbn-to-airpathway ifsite-speafic conditions satisry NO <br /> items 2a,2b,or 2C AR ANTION MMRS r YES r N <br /> I7(EMPTION-Ac1lw Commercl4l Petroleum Fueling Facility r YES Is N <br /> Does the she reed any of the Petroleum Vapor Intrusion to Indoor Air specific creeda scanados? <br /> ADDITIONALQUESTIONS-Plea.e indicate,only those Conditions that do notHass pulley.riled": <br /> Solt Gas Samples: <br /> r No Sell Gas Samples r Taken lncona dy <br /> ExpoSUm Type: <br /> R Residential r Commerdal <br /> Free Product: <br /> r In GmundNeter r In Soil r Unknown <br /> TPH in the Bloatienuation Zona: <br /> r'z i W mykg r Unknovm r Soil samples not taken At depths within 5 R.zone(only for Sconado 4 wM BOZone) <br /> Bloadenuation Zone Thickness: rzlO Feat antl e30 Feet raSo Feet r SON Blame Cmnpromisetl TPH>100m91kg rUnkrlmm <br /> r<5Feet(No Bia.ne) rzSFeetand<10Feet <br /> 02 Dale,in eioattenuation Zone: <br /> r No O+Deta 1­0,<4% rOzz4% <br /> Benzene in Groundwater: <br /> r z 100 pW and<1,000 pgA r z 1,000 NO r Unknown <br /> Soil Gas Benmne: r z 280,000P yres r Unkrlovn <br /> (7ze5yglm'and<2Wp9'ms r2z280ppm`erld<55,000Wm3 ra85,000pyresad<280,000y9'ms <br /> Soil Gas Etrioo Onane: r z 3,800 yym'm%J<1,100,0110 yghns r z 1,100,000 pgan'aGc<3,BOO,OOO pghr0 r z 3.8g0,OW yelm' r UnknoNn <br /> r z1,100 pDppm and<3.BW ppm+ <br /> Soll Gas Naphthalene: rz310 pyres antle93,000 ppms rz93,000 gyms arq<310,000 ppms rz310,DOD pyre' rUnkncwn <br /> r z w pyre'end<310 ppm' <br /> 3.Media Specific Criteria:Direct Compact and Outdoor Air Expmure-The site is considered low-threat Tor direct Contact and outdoor air exposure lid meats 1,2,or 3 below. NO <br /> aR< <br /> - r yB6 ra N <br /> EXEMPTION-TI»upper 10 test d soil is free of petroleum contamination r YES is Al <br /> May the site meet any ofthe Direct contact and Outdoor Air Exposure criteria scenarios? <br /> ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the peIICY criteria: <br /> Exposure Type: <br /> r Residential r Commemial r Utility Worker <br /> Petroleum Constituents in Soll <br /> rs5FedbgS r>5Feetbgs and510Fedbgs rUnknown <br /> Soll <br /> >19mFykg A,s dee GIgrNg r>28mykgarld51S2mP9 r>82mykgandsl2mglk9 r>12mgMg antls l4 in r>14mpkg rUHINAMI <br /> r>1.9 mpkg antls 28 mgdg <br /> Soil >21mlrationd of EthylBen r>32�g and 589 mykg r>Be mWkg and s 134mykg r'>134 myk9 and 5314 mg1k9 r>314 mykg rUnknwm <br /> r>21 mglkg and 532 mgdcg <br /> Soil Concentrations of Naphthalene: r>219 mykg r UNmorm <br /> r>9.9mykgand545mg1k9 r'>45mykgands219m9k9 <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 3/19/2015 <br />