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Case Closure summary Page 2 <br /> L,--i- .; Underground,?fuel x Storage Tank ograxa <br /> :11. Release and Site G' _ tacterizatioa Lnfarsiation (coat, tea) <br /> Max:,� Dccumentad Cantamiaant Concent--a tions--He=ore and lifter CZeaaz-p <br /> I <br /> Contaminant Soil (ppm} Prater (gpm) Conta: i riA +t soil (ppm) Plater {ppm) <br /> } Before After Before after Before ,lftar Bela=e ,lfter <br /> TP$ (Gas) 7200 <1.a 1.3 <.005 Ixylene 1100 <0.005 .0016 <.0005 <br /> TPE (Diesel) 8500 <1.0 82 <.006 Zt1iyl-ben2ane 190 <0,11-5 .00036 4.0005 <br /> Benzene 3 .30 <0.005 .0089 <.0005 oil a Grease 4 <1.0 .46 <.2 <br /> Toluene 350 <0 .005 .003 <.0005�Eeavy metals <br /> Comments (Depth of Remediation, etc.} . BOTH NGT,s;'IEMOVED, OVER-3MCIVATION OF 4400 TONS <br /> OF SOIL. SOME SOIL TBERALLT DESTROYED A,ND SOME TR.ANS2ORT= TO LA=FTLL. TOTAL DEPTS <br /> RAS 3 b' BGS. SOME RESIDUAL CONT, TION REMAJ�=, MONITOR:TG WELLS SHOWED CONSISTENT <br /> DECLiNF IN CCXSTITIIENTS TO ND FOR ALL WELLS. WORST PiELL ND FOR ONS Y°�R;-NO ACTSVE AEbfED. <br /> f <br /> IV. Closure <br /> Does comrleted corrective action protect existing benef:-cial uses per the Regional Board <br /> Basin Plan? Yes <br /> Does completed correct'_ve action` protect notent4&I .benefic4 al,t..usas per the Regional Soard� <br /> Basin Plan? Yes 3 ' s ) <br /> Does cazrectivs action protect nublial-health for cir_eat land use?-4+-Tes <br /> Site management =equi=extents: NONE <br /> Should cor=-ect_ve action be rem_awed .if land use changes? No <br /> Moz=ito_=g well Decam:nisioned: Nu=ber Decomtai.sioaeyFq d: Number Retained: 0 i <br /> List enforcement actions taken: :TORR, `5/13/32 <br /> { If <br /> List enforcement ac".'-o=z- esc:.nded: PONE <br /> s <br /> I <br /> v. Local agency Renreseutativa Data , <br /> Title <br /> Name: A i RAN I ' .:DIRECTOR OF L*NVTRONNIENTAL HEALTHSignature C)-n I <br /> r Data: <br /> . RWQCB Notification <br /> Data 5uhmiteed to = Or/29/97 RB Response CONCURRENCE Ij <br /> AWQC3 Stafy ,lame: RAT i'Titla: _ CHG Data: 07/ <br /> . 11/97 <br /> E <br /> ��y <br /> vII. Additional ConMLants, Data, eta. ^� <br /> 1h:a 3oc•.smeat sad the _elated CASE CrOSL'TiE Lc. <br /> �, Sha-'! e =a& ad by t,%e Lead agency <br /> as part of the o=__cial sits Ell ,e - (08/24/93) <br /> - Zxhibit a Page 2 of 2 <br /> I <br /> I <br />