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PUBLIC WORKS Page I of 2 .� lia4 Path to Closure Plan GOGEOMACKER HOME I MANAGE PROJECTS I REPORTS I2E6Wh I1 QQ9Z OPEN-S17EASSESSMENT PUBLIC WORKS(70607700379)-MAP THIS$ITE 1810 HAZELTON AVE E ANUP OVERSIGHT AGENCIES ACTIVITIES REPORT STOCKTON,CA 95201 SAN JOAOUIN COUNTY LOP(LEAD)-CASE%:1141 STOCKTOAN ,NA95201 PUBLIC WEEPAGE CASEWORKER:ANGELICA<eNDGVAL MAaW-SUPERVISOR:ADRIENNE ELLSAESSER CENTRAL VALLEY RMCB(REGION 35)-CASE A:390438 L •eey FOR TH BaITE CASEWORKER:'ares-SUPERVISOR:CORI CONDON CUF CMim N:11390 CUF Priority Assigned:0 CUF Amoum Paid:Fl THISPROJECT)NASIASTMODIFIEDBYeRrR3NN RSQMON61=0141046:58AM-HISTO$'( THIS SIZE HAS SUBMITTALS.131CKMBE TO OPEN A Never W WDOW W"THE SUBMITTALAPPROVAL PAGE FOR THIS SRE Path to Closure Plan THIS VERSION IS FINAL AS OF WWO11 PATIro -OSR NMTORY E L IMPEDIMENT 1: General Criteria F:Secondary source has NOT been removed to the extent practicable r Procedural Impedimard-M W Resolve InusesnersedI- 1:-DII ETE STEP COMPLETION DATE SVE/IAB pilot testing use been performed anti a report with an evaluation of its effectiveness in retlucinq contaaSruent concentrations in groundwater over time has been suraitted; it appears that the RO pilot test x ved on the order of 2000 pounds of contaminants and the extraction rate dropped to lax I'L312014 17/11/2013 14 vnln mn<�efnre_if •—eere 11.1 ,moet_tadmadaae_loon.an.l Fac Faeme.il afrA.1 v afenf ADD AnOM0NAL BTEP IMPEDIMENT 2: Medl S e Ifi C 'te'a•G d at r.The contaminant plume that exceeds water quality objectives la F Procadurel lmpadimatlt-18EQ NOT etable 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: • Plume Length(That Exceeds Water Quality Objectives):a 100 Feet and<250 Feet • Benzene Concentration:a 3,000 pgll • MTBE Concentration:a 1,000 Pg/I • Nearest Supply Well(From Plume Boundary):>260 Feet and<1,000 Feet ISM", Ne lm mrR2- 1:- COMPLETION DATE BE to <1000 ug/l and retluce benzene to<3000 ug/1. Submt a work plan Oto pilot test a y to reduce benzene and Hf BE concentrations. 17l'3WN14 Step W Resolve Impedirrearat 2-Ste,2:- __--- COMPLETION DATE L,plement pilot test and sutmit a report of findings with recourrandations and a corrective action plan. PflOJEC Ir 6Od2015 to Raddi lerpedinnews 2-Step 3:-DrElp _-- COMPLETION DATE conduct public participation for the Cup 0 DATE to Resolve lm ddwint 2-Ste 4:-DELETE STEP COMPETION DATE raplement approved corrective action and reduce benzene and MTBE concentrations sufficiently for srcp application RO AC A 1Z301eV16 ADOADDNIONALSTEP IMPEDIMENT 3: Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Atr:The she is NOT considered low-threat for r Procedural Impediment-mo the vapor-intrusion-to-air pathway and site-specific conditions do NOT satisfy items 2a,2b,or 2c. Conditions that do not meet the policy criteria: • Exposure Type:Commercial • TPH in the Bioattenuation Zone:a 100 mg/kg • 02 Data in Bioaftenuation Zone:No 02 Data • Benzene in Groundwater:a 1,000 pg/I • Soil Gas Benzene:Unknown • Soil Gas EthylBenzene:Unknown • Soil Gas Naphthalene:Unknown ft to Reachedimerd 3- 1:- fbA1PEMIN GATE This is acounty Ort,,. Yard site and is an active cwmiezial petroleum fueling facility; veLide and equipment and stored and pstand, and vehical maintenanc occurs which y have spillage at the dispensers anti from the maintenance shop in she source a—. by maNal. 17/412015 17/112013 ADD ADOmONAL STEP REQUIREMENTS ALONG PATH TO CLOSURE P G TRUC' DALE IDENTIFIED RP NOTFlCATON PARTICIPATION DEBTRUCTION WASTE DISPOSAL $$$ NAJ,n�CCCTTTD111OOONNN`��DAAA111EEE SITE CLOSURE FOR CL CC INITIATEDMPLETIONDATE D�RE TRI D� Ay ' Data Identified for closure is the den all Impediments to closure have been removed https://geotracker.waterboards.ca.gov/regulators/screens/closure-Policy.asp?global_id=TO... 6/23/2014