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.WEST CLAY PROPERTY Page 1 of 2 <br /> "Moe <br /> F <br /> Path to Closure Plan LE GEOTRACKER HOME[MANAGE PROJECTS I REPORTS I SEARCH I LOGOUT <br /> WEST CLAY PROPERTY(70607700323)-MAP THIS SITE OPEN-REMEDIATION <br /> 639 CLAY ST W CLEANUP OVERSIGHT AGENCIES <br /> STOCKTON CA 95206 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP!LEAD)-CASE#:1085 <br /> CASEWORKER:VICKI MCCARTNEY-SUPERVISOR:ADRIENNE ELLSAESSER <br /> SAN JOAQUIN COUNTY PUBLIC WEBPAGE CENTRAL VALLEY RWAZCB(REGION 5S)-CASE*390415 <br /> VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CASEWORKER:JAMES BARTON-SUPERVISOR:CORI CONDON <br /> CUF Claim#:8542 CUF Priority Assigned:C CUF Amount Paid:$757.487 <br /> THIS PROJECT WAS LAST MODIFIED BY VICKI MCCARTNEYON 11/18/20132:43:12 PM-HISTORY <br /> THIS SITE HAS SUBMITTALS.CLICK tME TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. <br /> Path to Closure Plan-FY 12/13 THIS VERSION IS FINAL AS OF 11/1812013 PATH TO CLOSURE HISTORY CLEAR I RESET PATH TO CLOSURE PLAN <br /> IMPEDIMENT 1: <br /> General Criteria E:A conceptual site model that assesses the nature,extent and mobility of the release 1 f F Procedural Impediment-INFO <br /> has NOT been developed <br /> Step to Resolve Impediment 1-Step 1:-DELETE STEP <br /> COMPLETION DAIS <br /> Submittal of a conceptual site model ora report identifying reports that contain the necessary <br /> components of a conceptual site model. Site assessment must be completed; submit a work plan to ACTUAL DATE <br /> complete the site assessment (plume delineation). 8/3012014__ <br /> Step to Resort Impedilment 1-Step 2:. — <br /> COMPLETION DATE <br /> Implement an approved work plan for the plume delineation and submit the report of findings. - - - <br /> PROJECTEDDATE ACTUAL DATE <br /> 12/30/2014 <br /> ADD ADDITIONAL STEP <br /> IMPEDIMENT 2: <br /> General Criteria F:Secondary source has NOT been removed to the extent practicable r Procedural Impediment-INFO 1 <br /> Step to Resolve Impediment 2-Step 1:-DELETE STEP <br /> COMPLETION DATE <br /> Install c.,.. _n-situ chemical oxidation remediation system. <br /> PROJECTED DATE ACTUAL DATE <br /> 12/30/2013 �— <br /> Step to Resolve Impediment 2-Step 2:-DELETE STEP COMPLETION DATE <br /> Co�lete remedi - - ,. .. <br /> PROJECTED DATE rACTUAL DATE <br /> 8/3012015 I <br /> ADD ADDITIONAL STEP <br /> 111APEDIMENT 3: <br /> Media-Specific Criteria:Groundwater:The contaminant plume that exceeds water quality objectives is Procedural Impediment <br /> NOT stable or decreasing in areal extent,and does NOT meet all of the additional characteristics of one of <br /> the five classes of sites. <br /> Conditions that do not meet the policy criteria: <br /> • Plume Length(That Exceeds Water Quality Objectives):Unknown <br /> • Plume is Stable or Decreasing in AREAL Extent:Unknown <br /> • Benzene Concentration:>_1,000 pg/1 and<3,000 pg/I <br /> Step to Resolve Impediment 3-Step 1:- <br /> COMPLETION DATE <br /> r777r771,1 to delineate the groundwater plume east/northeast of monitoring well MW-29. P!RQJECM DATE <br /> ACTUAL DATE <br /> 6130/2014 <br /> to Resolve Im maul 3-Stop 2:-DELCTE ATFD -- <br /> COMPLETION DATE <br /> Implement the approved work plan and submit the report of findings. <br /> E119A 110 DATE ACTUAL DATE <br /> 12/30/2014 �— <br /> ADD ADDITIONAL STEP <br /> IMPEDIMENT 4: <br /> Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air:The site is NOT considered low-threat for r— 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 /> • Soil Gas Samples:No Soil Gas Samples <br /> • Exposure Type:Commercial <br /> • TPH in the Bioattenuation Zone:>_100 mg/kg <br /> • Bioattenuation Zone Thickness:<5 Feet(No BioZone) <br /> • 02 Data in Bioattenuation Zone:No 02 Data <br /> • Benzene in Groundwater:>_1,000 pg/I <br /> • Soil Gas Benzene:Unknown <br /> • Soil Gas EthylBenzene:Unknown <br /> • Soil Gas Naphthalene:Unknown <br /> Step to Resolve Impediment 4-Step 1:-DELETE STEP COMPLETION DATE <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure policy.asp?global id=T... 11/18/2013 <br />