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OCAMPO YRO Page 1 of 1 lip PBW.�O nOB�la PIOn JI� GEOTRACNFR LIQM�FMANgGE PROJECTS REGORTg $FARCNLocour OCAMPO PROPERTY(TO607780149)-MAP IRIS SITE OPEN-REMEDIATION 821 WILSON WAYS L eN POVERSIGHT AN S STOCKTON,CA 95210 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP(LEAD)-CASE A,2241 CASEWORKER:r I A MP---INA.SUPERVISOR:ADRIENNE ELLSAESSER SAN JOAQUIN COUNTY PUBLIC WEBPAGE CENTRAL VALLEY RVACB(REGION 5S)-CASE k 390215 VIEW PRINTABLE CASE SUMMARY FOR TVI$$RE CASEWGRNER:JAMES BURTON-SUPERVISOR:CORI CONDON CUFCMimr:18918 CUFPnorily Assi9ned:L CUFAmouMPak1:5300,642 THIS PROTECT WAS LAST MODIFIED W I aA MPmue ON lWO01312'.53:M PM-HISTORY MIS SITE HAS SUBMITTALS.CLICM=j M OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. Path to Closure Plan-FY 12/13 THIS VERSION IS FINAL AS OF 1W=13 PATH TO CLOSURE HISTORY LIDUR I RFAET PATI TO CLOSURE PLAN IMPEDIMENT 1: General Criteria E:A conceptual site model that assesses the nature,extent,and mobility of the release r Procedural Impediment-INFO has NOT been developed Inadequate Footling ee, p Step to Resolve Impediment 1-Step 1: DELETE STEP -------- ----------- ---- - COMPLETION DATE r11-1d CSM to follow PROJECTED DATE ACTUAL OATS 111512015 A00 AOOmONAL STEP IMPEDIMENT 2: Geneml Criteria F:Secondary source has NOT been removed to the extent practicable.. L F Procedural Impeliment'•INFO St•pto ResdvelmpedlmeM 2-Slap 1:-pELE 9 P __ -_ T — COMPLETONOATE Aa Pa[t of a Corrective Action Pian (CAP) this site is currently on liner n July of 2 13 a doll vapor -- -- extrac[ion antl in-situ art spaxging. The system[scantly vent on line 'n July of 2013 tl is p[ogsetl to PROJECTED GATE ACTUAL DALE extend 12 m is months. �o I9. (1 , /1 u.((�uN fico � L 1115/2115 �— , LL AEo AppmoxAL sTEv IMPEDIMENT 3: Meda-Specific Criteria,Groundwater.The contaminant plume that exceeds water quality objectives is C_ F_ Procedural Impediment-1NF4 NOT stable or decreasing in areal extent,and does NOT meet all of the additional characteristics of one of the five classes of sites. Conditions that do not meet the policy criteria: • Benzene Concentration:2 3,000 pg/I • Nearest Supply Well(From Plume Boundary):Unknown • Nearest Surface Water Body(From Plume Boundary):>250 Feet and 51,000 Feet Shp to Resolve ImpedimOM 3-Step 1:-DELETE STEP COMPLETION DATE F�t " iof [I,e SVE system is ter,orarily shuttloen due tV fiscal budgeting. A Sensitive Receptorll be directed. Ren•,f.dlc rC'Nu". ' ex 3MO t`OMptttf yxt llL/• "I PROJECIEO DATE ALNAL OAIE r� 1/1512015 ADDAOOMONALSTEP -- IMPEDIMENT 4: Meda Specific Criteria,Petroleum Vapor Intrusion to Indoor Air:The site is NOT considered low-threat for F7-Procedural Impediment-INFO the vapor-intrusion-toair pathway and site-specific conditions do NOT safisfy items 2a,2b,or 2c. Conditions that do not meet the policy criteria: • Bioattenuation Zone Thickness:210 Feet and<30 Feet • 02 Data in Bioattenuation Zone:No 02 Data • Benzene in Groundwater:21,000 pg/I • Soil Gas Benzene:Unknown • Soil Gas EthylBenzene:Unknown • Soil Gas Naphthalene:Unknown Step to Resolve Impediments 4-Step 1:- P COMPLETION GATE r.diment 2 SVE and in-situ Ai[ Sparging remediation to take place through July, 2014.-� G(� PROJECTED DATE ACTUAL DAM qDp AOOITONAL BIEP REQUIREMENTS ALONG PATH TO CLOSURE DATE IDENTFlFD RP NOTIFICATION PUBLIC PARTICIPATION WELL DESTRUCT ON WASTEDISPOSAL LAND USE FORFOR CE COMPLEMDN QA DAM D�RESTRIC SITECLO_ SAN JOAQUIN COUNTY LOP Save in Progress Save as Final LOGGED IN AS HENDERSONN CONTACT GEOMACI<ER HELP https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=T... 10/22/2013