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BP#172 (THRIFTY) Page 1 of 2 <br /> Path to Closure Plan GEOTRACKER HOME I MANAGE PROJECTS 13Ei 4RT$1SEARCH I14rs94_ <br /> BP#172(THRIFTY)(70607700504)}MAP THis slTIE OPEN-REMEDIATION <br /> 7647 PACIFIC AVE CLEANUP OVERSIGHT AGENCIES <br /> STOCKTON,CA 95207 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP(LEAD)-CASE#:1227 <br /> SAN JOAQUIN COUNTY PUBLIC WEBPAGE CASEWORKER:Vick McCartney-SUPERVISOR:ADRIENNE ELLSAESSER <br /> VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB(REGION 5S)-CASE#-390652 <br /> CASEWORKER:JAMES BARTON-SUPERVISOR:CORI CONDON <br /> CUF Claim#:13547,2156 CUF Priority Assigned:C.D CUF Amount Paid:111.160.673 <br /> THIS PROJECT WAS LAST MODIFIED BY NOEL NENDERSON ON 9/19/2014 1:56:18 PM-HISTORY <br /> THIS SITE HAS SUBMITTALS.CLICK BM TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. <br /> Path to Closure Plan THIS VERSION IS FINAL AS OF 9119/2014 PATH TO CLOSURE HISTORY CLEAR/RESET PATH TO CLOSURE PLAN <br /> IMPEDIMENT 1: <br /> General Criteria F:Secondary source has NOT been removed to the extent practicable C F procedural Impediment-INFO <br /> Sta to Resolve Int 1• 1:- <br /> Coapletion and submittal of a Corrective Action Plan as directed by the San Joaquin County Environmental COMPLETION DATE <br /> Health Department by letter de ted 11 October 2013. 1 PROJECTED D ACTUAL DATE <br /> LF 1/152014 F 1/142014 <br /> IteptoResolvaimpedimantl-Step 2:- <br /> 30-day public participation Period, COMPLETION DATE <br /> 3/1512014 41772014 <br /> to Resolve 1- 3:. <br /> COMPLETION <br /> :- <br /> COMPLETION DATE <br /> IS <br /> ubmittal and approval of the remedial action plan. -- <br /> PROJECTED DATE ACTUAL DA <br /> 9/152014 rte_ <br /> m Rhgtre 1-Ste 4:-DELETE STEP <br /> Implement remedial acti,�.. COMPLETION DATE <br /> OJ DA �--ACTUAL DATE <br /> 3/302015 I <br /> Step to Resolve Int diment 1-Ste 5:- T <br /> ICI-11r, remedial action. <br /> COMPLETION DATE <br /> 12!302015 <br /> ADD ADDLrtoNAL STEP <br /> IMPEDIMENT 2: <br /> Media-Specific Criteria-Groundwater:The contaminant plume that exceeds water quality objectives is r Procedural Impediment-IME2 <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):>_250 Feet and<1,000 Feet <br /> • Free Product in Groundwater:No <br /> • Benzene Concentration:2 3,000 pg/I <br /> • Nearest Supply Well(From Plume Boundary):5 250 Feet <br /> • Nearest Surface Water Body(From Plume Boundary):5 250 Feet <br /> Step to Resolve Int Intent 2-Step 1:-DELETE STEP <br /> COMPLETION DATE <br /> 3/302015 L_ <br /> Step to Resolve Impediment 2-Ste 2: STEP <br /> r­­ <br /> emedail ...i tcr,, COMPLETION DATE <br /> _ <br /> 121302015 <br /> to Resolve Int intent 2-Ste 3:- , <br /> 1,51b"11 a work pill to delineate the COMPLETION DATE <br /> p a groundwater plume down-gradient of monitoring well Nt4-22. <br /> fflr=9W-/ 014 — <br /> to Resort knipedhient 2- t:- _ <br /> rlemalt the work lan to delinetethe COMPLETION DATE <br /> p groundwater plume and submit a report of findings. <br /> ACTUAL DATE <br /> 12/32014 — <br /> ADD ADDITIONAL STEP <br /> IMPEDIMENT 3: <br /> Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air.The site Is NOT considered low-threat for I Procedural Impediment-INFO <br /> the vapor4ntrusion-toair pathway and site-specific conditions do NOT satisfy items 2a,2b,or 2c. <br /> Conditions that do not meet the policy criteria: <br /> • Exposure Type:Residential <br /> • Bioattenuation Zone Thickness:2 5 Feet and<10 Feet <br /> • 02 Data in Bioattenuation Zone:No 02 Data <br /> • Benzene in Groundwater:;!1,000 Ng/I <br /> • Soil Gas Benzene:a 85 pg/m'and<280 pg/M3 <br /> • Soil Gas Naphthalene:Unknown <br /> https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 9/19/2014 <br />