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Attachment 4:Current and Historical Soil Analytical Data Fortner ARCO Service Station No.0595 Semple Total MTBE Sample Depth Date TPH4RO TP"RO Benzene Toluene Ethylbenzene Xylenes MTBE (8260) TBA DIPS ETBE TAME Ethanol 1,2-DCA EDB Lead Name Deer) Sampled NapMbakne P Note Imglkgl ImglYg) Imglkgl Imglkp) Imglkgl Imglkgl Img1Yg1 Imglkgl Imglkgl Img/kg) ImgIk01 Img1Y0) (100/k01 (mglkpl Img/kg) Imglkgl 62608 m IM LTC Calms(Residential 0.5 8&10 feet bgs)l 1.962.6 21632 9] LTC Menao ef ustna - eel 9s 0.2612 898130 45 LTC Mere hMo ro[ Ds 16 314 219 May 2013 ES"Shallow 6 Dee 1005090 1006240 ox" 2.9 3.3 2.3 DA23 Don 0.075 0.0045 0.00033 60 1.2 Monilorin Wells MW mntinuetl ChlVa4R6565 11/132006 x.50 - <00010 -0,0010 -0.0010 -0.0010 - -0.0010 <O010 .0.0020 -0.0020 -0.0020 4010 x0.005]. -0.0010 - BMW2R70 70 111172008 -0.50 -00010 0.0010 -0.0010 OAD10 40.0010 -0010 400020 -0,0020 -0.0020 -0.10 Oool .0.0010 IXMF3R 55' 65 1111]2019 -0.50 - -0.0010 0.0011 .0.0010 0.01113 - -0.0010 -0.010 -0.0020 .0.0020 .0.0020 -0.10 <Ooo1D <0.0010 - - WM R]0' 70 1111]2006 -0.50 - -0x010 DA013 -0.0010 0.0016 - -0.0010 -0.010 -0.0020 <OA02D .0.0020 -0.10 -0x010 .0.010 - - OMWJRIS' 75 11/1]2006 -0.50 -0.0010 OAD11 44,0010 0.0018 x.0010 -0.010 <O.00N -0.0020 .0.0020 -0.10 -0.0010 -0.0010 - - prettlon S.OV, -10' e10 11202012 - -0.10 - -0.10 <0.10 - - - SVE-1-20' 20 11202012 - - 41.0 <1.0 SVE-146' 35 1120,2012 tl - -0.10 0.67 0.6] - ISM - - - - - -OAA - - - SVE-1L9' 59 11202012 1 .0.0010 0.013 0.016 0.1 0.01] - - SVE-2-26' 25 111182012 -0.50 - <oxcla .0.0010 -0.0010 -0.0010 - -0.0010 SOL 268 68 111192012 0.50 - <0.0010 4.0010 -0.0010 x.0010 - 0.0096 - - - - - OM14 - - - SVE-2-20' 70 11/192012 4.50 <O.oto -0.0010 -0.0010 0.0012 0.0043 -Oxinl0 - - Waste Oil 69H-1010 a 925I19e] 410 .10 -0.001 -0.001 -0.001 -0.001 -0.001 Stockpiled SoM;SP SP-13 - 12/292005 -0x99 - .0.0050 4.0050 -OxOSD -0.0050 - .0.0050 .0. .0.0050 -0.0050 -80050 <Ob -0.0050 -0.0050 410 spa - 12/292005 x.10 - .0.0050 x.0060 -0.0051) 40.0050 - .0.0050 -0.020 4.0050 x.0051) -0.0050 -0.10 .O11oso 4.0050 410 - SPd3 - 12292005 -0.10 - .0.0050 .D.0050 -0.0050 -0.0050 - .0,0050 -0020 .011050 -0.0050 -0.0050 -0.10 -0.0050 -O.00SD 410 - SP-74 - 12202005 <0.10 - -0.0050 .0.0050 -0.0050 <O.0000 - -0.0050 .0.020 .0.0050 4.0050 -0.0050 -0.10 .0.0050 <O.DDED 410 - SP8ID - 12202005 -0.10 - -0.0050 -0.0050 -0.0050 .0.0050 - .0.0050 -0.020 .0.0050 -0.0050 sOON0 -0.10 -0.0050 -0X050 410 - SP-11-12 - 12292005 -0.10 - .0.0050 .0x050 -0.0050 -0.0050 - -0.0050 <0.020 .0.0050 .0.0050 -0.050 -0.10 -0.0050 -0.0050 410 - SP-1314 - 12292005 210 - .0.050 0.067 0.13 1.9 - -0.025 z5o 41125 -0.025 -OA25 00 .0.025 -0.025 QU - SP-15.16 - 122006 540 - 41.0 1.6 3.7 29 - .O.SD -100 x50 -0.50 .050 -200 -0.50 -0.50 15 - SP-19.22 - 122005 620 - -0.23 0.74 35 27 - 4.12 -28 x.12 -0.12 .D.12 w -0.12 -0.12 410 - SWC-1 11/112o09 x.54 -0.0010 -0.0010 .0.0010 -0.0010 -0.0010 -0.010 <OXUD <O.OMO OxO20 -0.10 .0.0010 .0.0010 5.26 2014 CirM Push OP and Soil Vapor Ple DP-45 5 / -0.50 - -0.00089 x.00096 40.0 0 -0.00008 - -0.00098 - - - - xOxffllsls - - x DP-1.9.5 8.5 12/62014 9A HD - <0.10 -0.10 0383.3 - -0.10 - - - - - -0.10 - - 27 DPQ2 3 1=014 30 HD - <0.10 -0.10 114 1.5 <OAO - - - - - x.10 - - 1.e DP-24.5 4.5 1213.2D12 -0.52 - -0.0010 x.010 Oxon 0.025 - 0.0010 - - - - - .0.0010 - - x1110 DP-2x.5 9.5 I2 N)14 -0.50 - -0.0010 x.0010 -0.0010 -0.0010 - <0.0010 - - - - - 4.0010 - - <OAto 01 J 4 1242114 -0.51 - <0.0099 x.00090 -0.00009 -0,00009 - 00.30099 - - - - - .x0089 - - 4x089 DP 5 12/420,14 x119 - .0.0010 4.0010 -0x010 -0.0010 - 4.0010 - - - - - <O.0010 - - -0.010 DP-105 9.5 10442017 -0.50 - .0.0010 x.0010 -0.0010 -0.0010 - 00.0010 - - - - - -0.0010 - - -0.010 UPM 4 1VP DU -0.51 - <0.001D 4.0010 4x0lp -0.0010 - 00.0010 - - - - - -0.0010 - - .0Oolo DP44 a IV4 014 x.16 - x.00096 .0.0008e .0.00098 x.00088 - .0.0086 - - - - - -0.00000 - - -0.0000 DP-5-35 3.5 1&420,14 Q.49 - x.00097 .O.ND9] -0.0000] -0.00067 - -0.10367 - - - - - -D.000B] - - x.0097 DP-5-6.5 9.5 12/420,14 x.50 - x.0089 -D.00099 x.00099 -OxOO" - .DXDKMN - - - - - x.00099 - - x.0098 SVP-1-9.5 95 1V42o14 BU - xx0090 Dm11 0.0054 DART - 0.0012 - - - - - x.00090 - - 0.18 SVP-2-9.5 9.5 12/420/4 -0.48 - -0.0010 x.0010 x.OD10 -0.0010 - x1010 - - - - - x.0010 - - x.010 SVP-3-9.5 96 1222014 x50 - <0.0010 x.0010 x.0110 -0.0010 - x1010 - - - - - x.0010 - - -4.OlD SVP4 S 9.5 lW420u x91 x.0010 x.0010 x1010 -01010 x.0010 4.0010 -0.010 Expirations TPH4110=Tuhl peholeum Mydmourponscaun08etl asgasolineran0..M.les -Ouanbfighon of unknovm hydrocarbons)in Me sample dearl upon the speMeea sleroaM TPH-DRO=Tool petroleum hydrocarbons OuanOfmtl as Manual ranee or0anira. MTBE=Memo N.,buy aMer TM=Tertary buy alwhd Does=DHwpropyl ether UBE=Emy1 laid ry buy Her TAME=To..,amyl methyl ether 1,-DCA=12 Dchloroemana EDB=I 24lbromoemane -=Not aneyzeC/not eppllc.Me mph,-mlll nern per rk,enn HD-The ehmmatoOraDhia gatlern vna MeanaGaM tell Me Wools of the reference Nal NnWand Ezcaveeal-Sal samples ova ravaMEdurfqunOargr.... ---------lUST),d¢pamerWere.ons.,orientated 00,removal eclYAUw. NM,,: 1=--w hreat UST Cade Closure Policy(LTC),Table 1,Conwntrabons of Petroleum CMUDWentd In Soil That W1tl Hive N09pniriant Risk of AQvaNy ABe de,Human Health.Naphthalene and Pah+rromeea papme si ons(PAH)Mare not been snowed for the not samples collecmd. 2-Calforma National Water Duality Contrd Boats,Central Vallay Region EneonmentOl Brennan,Levels(EBL),Tables Mi aro G1,May 2013. 595 AD 4_End Analytical 03032015 Pa's 5 of 5