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BARNES TRUCIUNG oo;&W Page 1 of 2 Path to Closure Plan v GGoGEOTRACKER HOMEI MANAGE PRQIECTS ER PORTSI§96RC ILOGOUT BARNES TRUCKING (TO607700585) - MAP THIS SITE OPEN- REMEDIATION 1817 FRESNO AVE sCLEANUP OVERSIGHT AGENCIES STOCKTON , CA 95206 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP ILI540) - CASE/A2506 CASEWORKER:ANGELICA sANOOVAL MARIN - SUPERVISOR: ADRIENNE ELLSAESSER SAN JOAQUIN COUNTY PUBLIC WEBPAGE CENTRALVALLEY RWM1OCB (REGION 5S) - CASE#: 390750 VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CASEWORKER:JAMES BARTON - SUPERVISOR: CORI CONDON CHF Claim #: 11828, 7122 CUP Priority Assigned: B CUP Amount Paid: A07,31 THIS PROJECT WAS LAST MODIFIED BY NUEL HENDERSON ON 11/19/20134:22:18 PM - HISTORY THIS SITE HAS SUBMITTALS. CLICK HERE TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. Path to Closure Plan - FY 12113 THIS VERSION IS FINAL AS OF 11HAQ013 PATH TO CLOSURE HISTORY CLEAR I RESET PATH TO CLOSURE PLAN IMPEDIMENT 1 : General Criteria E: A conceptual site model that assesses the nature, extent, and mobility of release G Procedural Impediment - INro has NOT been developed Step to Resalve Impediment t - Step 1: -DELETE STEP COMPLETION GATE i Overall the conceptuallmodel is adequate, butminimal data has been collected to shallow . . ial bazcahradtae PROJECTE soilt 0-10 feet loss, for vapor in o o direct contact W214 r. Need report o existing data issufficient toevaluate ..van. rn arm,iw straw—rich Pratu=r: nn — ADDADOITIONALSTEP IMPEDIMENT 2: General Criteria F: Secondary source has NOT been removed to the extent practicable F procedural Impediment - INFO Step to Resolve Impediment 2 - Step 1 : - DELETE STEP COMPLETION DATE This e is currently in the process of implementing long term pee pilottesting as of 9/4/2013. RP is iced to submit reports to the End. see letter dated 9/4/2013 . J ACTIALUATE PRo�31/2014q� !!171] ADD ADO ADDITIONAL STEP IMPEDIMENT 3: Media-Specific Criteria: Groundwater: The contaminant plume that exceeds water quality objectives is ❑ Procedural Impediment - INFO 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: e Plume Length (That Exceeds Water Quality Objectives): ?: 100 Feet and < 250 Feet e Benzene Concentration: >_ 31000 pg/I Step to Resolve Impediment 3 - Step 1 : - DELETE STEP COMPLETION DATE fmclement approved 30 day DPE pilot [est and submit report of findings . qTE ACTUAL GATE RO�12U14 Step to Resolve Impediment 3 - Stop 2: - DELETE STEP COMPLETION DATE Impleme zessmcended_remediation tecM1nplo�IDPE or_COLftac re a - AP if a to there . FECTEU014 ADD ADDITIONAL STEP IMPEDIMENT 4: Media S ocific Criteria7 Petroleum vapor 1 tru ' n to Indoor Air. The site is NOT considered low-threat for ❑ Procedural Impediment - g4Fo the vapor-intrusion-to-air pathway and she-specific conditions do NOT satisfy items 2a, 2b, or 2c . Conditions that do not meet the policy criteria: e TPH in the Bioattenuation Zone: Unknown e Bioattenuation Zone Thickness: Unknown e 02 Data in Bioattenuation Zone: No 02 Data e Benzene in Groundwater: >_ 1 ,000 pg/I e Soil Gas Benzene: Unknown e Soil Gas EthylBenzene: Unknown e Soil Gas Naphthalene: Unknown Step to Resolve Impediment 4 - Step is -DELETE STEP COMPLETION DATE to site assessment at shallow depth C-101 bsg) t properly alua[e vapor imrueinnonazara/riakno� PROJECTED 128/2014AT E ACTUAL DATE Step to Resolve Impediment 4 - Step 2: - DELETE STEP COMPLETION GATE ACT Imple,oent work plan and submit report findings p t oL Fina ng with the vapor intrusion evaluation. PROJECTED GATE UAL GATE 6YL2m4. _ F_ AOO ADDITIONAL STEP IMPEDIMENT 5: Media Specific Criter a: Direct Contact and Otd Air Exposure: The site is NOT considered low-threat r Procedural Impediment - wso for direct contact and outdoor air exposure as it does NOT moot 1, 2, or 3. https://geotracker.waterboards .ca.gov/regulators/screens/closure_policy.asp?global_id=T. . . 11 /19/2013