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LOPEZ PROPERTY Page 1 of 2 <br /> I <br /> Path to Closure Plan * � GEOTRACKER HOME I MANAGEPROJECTS I REPORTS I SEARCH I Woo-La <br /> LOPEZ PROPERTY(70607717976)-MAP THIS W—M OPEN-REMEDIATION <br /> 1601 TURNPIKECLEANUP OVERSIGHT AGENCIES <br /> ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP(LEAD)-CASE If=1525 <br /> STOCKTON CA 95206 CASEWORKER:VICKI MCCARTNEY-SUPERVISOR:ADRIENNE ELLSAESSER <br /> SAN JOAQUIN COUNTY PUBLICWEBPAGE CENTRAL VALLEY RADOS(REGION 5S)-CASE It 341441 <br /> VIEW PRINrABL CASESUMMARY FOR THIS ATE CASEWORKER:JAMES BARTON-SUPERVISOR:CORI CONDON <br /> CUF Claim a:18245 CUP PrIoMy Assigned:B CUF Amount Pahl:$335419 <br /> THIS PROJECT WAS LAST MODIFIED BY VK:KI MCCARTNEYON 1212/2013 9:54:41 AM-hilimmy <br /> THIS SITE HAS UNAPPROVED SUBMITTALS.CLICK NESE 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 12M2013 PATH TO CLOSURE HISTORY CLEAR I RESET PATH TO CLOSURE PLAN <br /> IMPEDIMENT 1: <br /> General Criteria F:Secondary source has NOT been removed to the extent practicable r Procedural Impediment-INco <br /> Step to Reaolve Impediment l-Step 1:-DELETE STEP COMPLETION DATE <br /> complete the implementation of the in-situ ozone aparging pilot teat and soil vapor extraction <br /> mediation at the site. PROJECTED GATE AC TE <br /> 6I3N2014 <br /> Step to Resolve Impediment l-Step 2:-DELETE STEP COMPLETION DATE <br /> Submit the report of finings from completing the ozone sparging pilot test and installation and <br /> operation of the soil vapor extraction system. PROJECTED DATE ACTIAL GATE <br /> 9/3012014 <br /> Step to Ra solve Impartment l-Step 3:-DELETE STEP COMPLETION DATE <br /> Design and implement final remedial action. '., <br /> PROJECTED DATE ACTILIALPAT <br /> W302015 <br /> Step to Resolve Impediment 1-Shp 4:-DELETE STEP COMPLETION DATE <br /> Complete remedial action. <br /> PROJECTED DATE ACTUALDATE <br /> Step to Resolve Impediment i-Step 5:-DELETE STEP COMPLETION DATE <br /> Confirmation monitoring. PROJECTEDDATE ACTUAL DATE <br /> 61301201) F <br /> ADD ADDITIONAL STEP <br /> IMPEDIMENT 2: <br /> Meda-Specific Criteria:Groundwater:The contaminant plume that exceeds water quality objectives is r Procedural impediment-INl'o <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):2100 Feet and<250 Feet <br /> • Benzene Concentration:21,000 pg/I and<3,000 pg/I <br /> • Nearest Supply Well(From Plume Boundary):>250 Fast and 51,000 Fast <br /> Step to Resolve Impediment 2-Shp 1:--DELETE SME COMPLETION DATE <br /> complete remedial action <br /> PROJECTED DATE ACTUALDATE <br /> 12/302016 �- <br /> Step to Resolve Impediment 2-Shp 2:-DELETE STEP COMPLETION DATE <br /> submit a work plan to define the grounwater plume southeast of the site in the down-gradient direction. <br /> PROJECTED GATE ACTUAL DATE <br /> 313012014 �- <br /> Shpts Resolve Impetliment 2-Step 3:-DELETE STEP COMPLETION DATE <br /> Implement the work plan to define the groundwater plume. '., PROJECTED DATE ACNAL DATE <br /> 913012014 <br /> Step to Resolve Impediment 2-Step 4:-DELETE STEP COMPLETION DATE <br /> Submit the report of finings from compleing the fieldwork to define the groundwater plume. pROJ DA ACTUAL DATE <br /> izl30no14 �- <br /> ADD ADDITIONAL STEP <br /> IMPEDIMENT 3: <br /> Med' Specific Criteria,Petroleum VaRg Intrusion to Indoor Air:The site Is NOT considered low-threat for 17 Procedural Impetliment-WFo� <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 /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure—Policy.asp?global_id=TO... 12/2/2013 <br />