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BARNES TRUCKING Page 1 oft <br /> Path to Closure Plan GEOTRACKER HOME I MANAGEPROJECTS IREPORTS I SEARCIS II G.4QM <br /> BARNES TRUCKING (70607700565) - MAP THIS SITE OPEN - REMEDIATION <br /> 1817 FRESNO AVE S ACTIVITIES REPORT CLEANUP OVERSIGHTAGENCIES <br /> STOCKTON , CA 95206 SAN JOAQUIN COUNTY LOP (LEAD) - CASE#: 2506 <br /> SAN JOAQUIN COUNTY PUBLIC MBPAGE CASEWORKER:ANGELICA SANDOVALMARIN - SUPERVISOR: ADRIENNE El1SAESSER <br /> VIEW PR AE SUMMARY FOR SITE CENTRAL VALLEY TIMOR (REGION SS) - CASE#: 3WI50 <br /> SEWORKER:JAMESBARTON - SUPERVISOR:CORI CONDON <br /> CUP Chim #: 11820. 7122 CUP Priority AssignAmount aa: $1,15D.M <br /> THIS PROJECT WAS LAST MODIFIED BY NUEL HENDERSONON &WO14 2:5326 PM - HISTORY <br /> THIS SITE HAS UNAPPROVED SUBMITTALS. CLICK H_ TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. <br /> Path to Closure Plan THIS VERSION IS FINAL AS OFS/B12014 PATH TO CLOSURE HISTORY CLEAR I RESET PATI TO CLOSURE PLAN <br /> IMPEDIMENT 1 : <br /> General Criteria E: A Conceptual site model that assesses the nature, extent, and mobility of the release G Procedural Impediment - INPo <br /> has NOT been developed <br /> Step to Resolve Impediment i - SL 1: -DELETES <br /> COMPLETION GATE <br /> Overall the conceptual site model i u a n col o characte rise <br /> shallow - e s intrusion e r contact <br /> o tac an n outdoor PROJECTED DATE ACNA A <br /> air. Fred report Cor professional opinion ase on site data evaluating thep ential for p 9)3D/2014 <br /> al "1e, ^^ .,.onlpm ADD ADDITIONAL STEP <br /> IMPEDIMENT 2: _ <br /> General Criteria F: Secondary source has NOT been removed to the extent practicable r Procedural Impediment - ,ly e <br /> Step to Resolve Impediment 2 - Ste 1: - DELETE <br /> S <br /> 513N20C1O4MPL <br /> ETION DATE <br /> Exact <br /> location secondary source wed during tank numerals <br /> are uncertain . DPE pilot test <br /> had limited results . Need updated report with p fiessional opinion based on site data as to adequacy f R0JECTED A LTE <br /> secondary source removal. ADDADDTION <br /> IMPEDIMENT 3: <br /> Media-Specific Criteria: Groundwater. The contaminant plume that exceeds water quality objectives is r Procedural Impediment - WFo <br /> NOT stable or decreasing in areal extent, and does NOT meat all of the additional characteristics of one of <br /> the five classes of sites. <br /> 9Conditions <br /> Plume <br /> itie Length <br /> ( not Meet theExceeds polWater Quality <br /> • Plume Length (That Exceeds Water Quality Objectives): 2100 Feet and < 250 Feet <br /> • Benzene Concentration: >_ 3,000 pg/I -- <br /> Stec to Resolve Impediment 3 - Ste 1: -DIU&ILISTEECOMPLETION DATE <br /> Implement approved 30-day CPD pilot test and submitreportof findings . PROJECTEDACTUAL DAM <br /> 3I3112014ATE Ac4/4)2m4 <br /> I _ <br /> Ship to Resolve Impediment 3 - Step 2: - DELETE STEP COMPLETION DATE <br /> Evaluat <br /> e the sini is - e sampling Iry-1 , Td-8 -9 which surround As-1 laterally <br /> and ally; suspect AS-1 to a ho p of limited extent and mass . PROJECDED DAM ACTUAL DATE <br /> i 1J2U14 r <br /> ADO ADDITIONAL STEP _ <br /> IMPEDIMENT 4: <br /> Media Specific Ci Petroleum Vapor Intrusion to Indoor Air: The site is NOT considered low-threat for [ Procedural Impediment - INFO <br /> the vapor-Intrusion-to-air pathway and site-specific conditions do NOT satisfy items 2a, 2b, or 2c . <br /> Conditions that do not meet the policy criteria: <br /> • TPH in the Bioattenuation Zone: Unknown <br /> • Bioattenuation Zone Thickness: Unknown <br /> • 02 Data in Bioattenuation Zane: No 02 Data <br /> • Benzene in Groundwater: >_ 19000 P9/1 <br /> • Soil Gas Benzene: Unknown <br /> • Soil Gas EthylBenzene: Unknown <br /> • Soil Gas Naphthalene: Unknown <br /> Step to Resolve lm ediment4 -Ste ( : - DELETE STEP <br /> DATE <br /> Provide professional opinion based on site data evaluating the potential for harmful COMPLETION <br /> vaporntru PRO <br /> intrusion to occur. ATE ACTUAL DATE <br /> 12J3DY2014 �� <br /> ADDADDmONALSTEP <br /> IMPEDIMENT 5: <br /> Media Specific Criterita Direct Contact and Outdoor Air Exposure: The site is NOT considered low-threat F Procedural Impediment - rir <br /> Tor direct contact and outdoor air exposure as it does NOT meet 1 , 21 or 3. <br /> Conditions that do not meet the policy criteria: <br /> • Petroleum Constituents in Soil: Unknown <br /> • Soil Concentrations of Benzene: Unknown <br /> • Soil Concentrations of EthylBenzene: Unknown <br /> • Soil Concentrations of Naphthalene: Unknown <br /> https ://geotracicer.waterboards.ca.gov/regulators/screens/closure_Tolicy .asp?global_id=T06 . . . 5/8/2014 <br />