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i <br /> ARCO #2186 Page 1 of 1 <br /> LTCP Checklist IIS GO - GEOTRACKER HOME I MANAGE PROJECTS I REPORTS I Atm--E I I.mm <br /> ARCO 42186(T06 D7700635)-MAP THIS SITE <br /> OPEN-ELIGIBLE XOR CLOSURE <br /> 3212 CALIFORNIA STN IG s <br /> Ar:TtVITIES REPORT &4N JO.AOUIN COONTY LOP(LEAF})-CAPV <br /> STOCKTON,CA 95204 CASEwoR1[ER:yrCK1 MCCAR7NEY.•SU SUPCRvrsOR:ADRIENNE ELLSAESSER <br /> SAN JOAQUIN COUNTY PUBLIC WEBPAGE CENTRAL VALLEY RWOCB(REG4ON SSi-CASE in 390805 . <br /> VIEW PRINTABI P CAS7 WPAl EOR THs SITE <br /> CASEwORKEF:JAMES aARTC1N-SUPERVISOR:CORI CONDON <br /> CUF Claim r:15179 CUF Priority A.aslpned: CUF Amount PaM:34 <br /> THIS PROJECT WAS LAST MODIFIED BY Kr��ON 7/302053 3:35:11 PM- ISH TCI `( <br /> THIS SITE HAS SUBMITTALS.CLICK hME TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. <br /> CLOSURE POLICY THIS VERSION IS FINAL AS OF 713012013 CHECKLISTUOTTATED ON 7/252013 CLOSURE POLICY HISTORY <br /> General Criteria-The site satisfies the policy general criteria-CLEAR secTIDN ArJswERs YES <br /> a.Is the unauthorized release located within the serfte area of a public water sstem? <br /> Name of Water Sysemt : CALWATER I r YES r NO <br /> b.The unauthorized release consists only of petroleum LoLaj. G YES r NO <br /> c.The unauthorized("primary'}release from the UST system has been stopped. G YES C NO <br /> d.Free product has been removed to the maximum extent practicable Ila_ r FP Not Encountered C, YES r. NO <br /> e.A conceptual site model that assesses the nature,extent,and mobility of the release has been developed(info}. re• YES G NO <br /> f.Secondary source has been removed to the extent practicablel10191. _ r YES r: NO <br /> g.Soil or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Cade Section r Not Required fil YES r3 NO <br /> 25296,15. <br /> h.Does a nuisance exist,as defined by Water Code section 13050. C, YES r, NO <br /> 1.Media-Specific Criteria:Groundwater-The contaminant plume that exceeds water quality objectives is stable ordecreasing in areal extent,and YES <br /> meets all of the additional characteristics of one of the five classes of sites listed below,-CLEAR SECTION ANswERs <br /> EXEMPTION-Soil Only Case(Release has not Affected Groundwater-Info{ G YES 6. NO <br /> Does the site meet any of the Groundwater specific Criteria scenarios? G YES NO <br /> 1.1-The contaminant plume that exceeds water quality objectives Is a100 feet In length.Thero Is no free product.The nearest existing water supply well or G YES Q NO <br /> surtace water body is>250 feet from the defined plume boundary. <br /> 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vaporininrsion-to-arrpathway ifsfte- YE5 <br /> specific conditions satisfy items 2a,2b,Or2c-CLEAR SECTION ANSWERS <br /> EXEMPTION-Active Commercial Petroleum Fueling Facility r YES r, NO <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoorair exposure <br /> if;t meets 1,2,or 3 below.-CLEAR cTION ti Rs NO <br /> EXEMPTION-The upper 10 feet of soil is free of petroleum contamination f- YES r NO <br /> Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? C, YES F NO <br /> ADDITIONAL QUESTIONS-Please Indicate only those conditions that do not Gleet the policy criteria: <br /> E3rp05uro Type: <br /> C Residential G Commercial 0 Utlity Worker <br /> Petroleum Constituents In Soil: <br /> R_5 5 Feet bgs C>5 Feet bgs and s10 Feet bgs C Unknow _ <br /> Soil Concentrations of Benzene: <br /> Ca>1.9 ml and s 2.8 mg/kg r>2 8 mg/kg and:;8.2 mg/kg 0 r 8,2 nil and 5 12 mg kg Q>12 M09 and S 14 mgLkg ri>14 mgrkg r.',Unknown <br /> Soil Concentrations of EthylBerliene: ' <br /> ri>21 mg/kg and s 32 mg/kg r>32 mog and<89 mg/kg 89 mgtkg and 5 134 mg/kg r>134 mg/kg ands 314 mg/kg ri>314 mgrkg C Unknown <br /> Soil Concentrations of Naphthalene <br /> r>9.7 mg/kg ands 45 mgAcg ri>45 mg/kg ends 219 mg/kg 0>219 mgAg r•Unknown <br /> Soil Concentrations of PAH: i <br /> f-,>0.063 mg/kg ands 0,58 mg/kg Q>0 88 mg/kg and 5 4.5 mg/kg G>4.5 mg/kg (-'Unknown <br /> Area of Impacted Sell: <br /> r Area of Impacted Soil>82 by 82 Feet ri Unknown <br /> Additional I n formatio n <br /> Should this Case be closed in spite of NOT meeIIng policy rdteria7 <br /> Explain: <br /> This site fails category 3.1 since the Gail data <br /> for benzene and ethylb—zone at five feet below smrfate grade Ibagl ve 4 <br /> zeported It 5.06 mg/kg and 103 mg/kg, respectively, both exceeding the residential limita at 0 to 5, and 5 to 10 fee,bsg in I <br /> Table 1 and the coeretcial limita for ethylbenzene at 0 to 5 feet bsg in Sable 1. Even though the ltte data fail category <br /> 3.1, the risk evaluation for category 3.2 is lin the opinion of the Ea ) s bit weak, and category 3.3 is not applicable, the r YES ri NO <br /> San,7aaquin county Environmental Health Department (EHD1 believes that this site should be closed. The decision that the <br /> risk levelisacceptable is based an the Censultant'e statement that the site is retail/cen:aercial and likely to reagin <br /> Please note that ease Closure is in progress. <br /> CPFf I n.NFf'.K <br /> save in Progress Save as Rnal <br /> LOGGED IN AS MCCARTNEYV CONTACT GEOTRACKER HELE <br /> bttps:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_pol icy.asp?global_id=TO... 7/30/2013 <br />