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U-HAUL STORE #70950 Page 1 of 1 Path to Closure Plan - ® GEOTRACKER HOME[MANAGE PROJECTS IREPORTS ISEARCHILOGOUT U-NAUL STORE#70960(70607700249)-MAP THIS SITE OPEN-ELIGIBLE FOR CLOSURE 2701 WILSON WAY N CLEANUP OVERSIGHT AGENCIES ACTIVITIES REPORT SANJOAOUINCOUNTYLOP(LEAD)-CASE#:7772 STOCKTON,CA 95205 CASEWORKER:AMCFUCA caNDOVAI MA7e1N-SUPERVISOR.,ADRIENNE ELLSAESSER SAN JOAQUIN COUNTY PUBLIC WEBPAGE CENTRAL VALLEY RWQCB(REGION 5S)-CASE#390335 VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CASEWORKER:JAMES BARTON-SUPERVISOR:CORI CONDON THIS PROJECT WAS LAST MODIFIED BY ANGELICA SANDOVAL MARIN ON 1112612013 8:32:24 AM-HISTORY THIS SITE HAS SUBMITTALS.CLICK J=TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. Path to Closure Plan THIS VERSION IS IN PROGRESS AS OF 10/1712013 PATH TO CLOSURE HISTORY CLFAR I RESET PATH TO CLOSURE PLAN IMPEDIMENT 1: Media-Specific Criteria:Groundwater:The contaminant plume that exceeds water quality objectives is r Procedural Impediment-Int oo NOT stable 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):2 250 Feet and<1,000 Feet is Nearest Supply Well(From Plume Boundary):>260 Feet and<-1,000 Feet to Resolve hepedirrient 1-Stop 1:-DCLLILM COMPLETION DATE Perform additional remediation (reduce contaminant concentrations,mass, and migration), ensure that the nearby private wells will be protected from migratitng contaminants (post-remediation monitoring), and PROJECTED DATE ACTUALDATE reduce the plume lenght <250 feet. ADD ADDITIONAL STEP IMPEDIMENT 2: Media Soecific Criteria:Petroleum Vapor Intrusion to Indoor Alr:The site Is NOT considered low-threat for r Procedural Impediment- IJM 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: • TPH in the Bioattenuation Zone:2 100 mg/kg • 02 Data in Bioattenuation Zone:No 02 Data • Soil Gas Benzene:Unknown • Soil Gas EthylBenzene:Unknown is Soil Gas Naphthalene:Unknown Stop to Resolve Impediment 2-Step 1:- COMPLETION DATE _ Complete a HHHA for residual shallow contamination on-site. PROJECTED � ADD ADDITIONAL STEP IMPEDIMENT 3: Media Specific Criteria:Direct Contact and Outdoor Air Exposure:The site is NOT considered low-threat F Procedural Impediment-INFoo for direct contact and outdoor air exposure as it does NOT meet 1,2,or 3. Conditions that do not meet the policy criteria: • Exposure Type:Utility Worker • Petroleum Constituents in Soil:5 6 Feet bgs • Soil Concentrations of Benzene:>14 mg/kg Soil Concentrations of EthylBenzene:>314 mg/kg • Soil Concentrations of Naphthalene:Unknown • Soil Concentrations of PAH:Unknown Step to Resort Impediment 3-Step 1:-DELETE STEP COMPLETION DATE Complete a HHRH for residual shallow contamination on-site. PROJECTED DATE ACTUAL DATE at>g ApgT1pNAL STEP REQUIREMENTS ALONG PATH TO CLOSURE PUBLIC WELL DATE IDENTIFIED RP NOTIFICATION PARTICIPATION DESTRUCTION WASTE DISPOSAL LAND USE SITE CLOSURE FOR CLOSURE' CLOSURE INITIATED BY A E COMPLETION DATE DATE DATE RESTRICTION DATE AT 7/18/2013 SAN JOA COUNTY LOP I - Date Identified for Closure is the date all impediments to closure have been 1—K-0 Save Form as Partially Completed Save Form as Complete -- -- -- "" CONTACT GrOTRACKER HELPGrOTRACKER HELP LOGGED IN AS HENDERSONN https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=T... 12/12/2013