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CHEVRON #94054 Page 1 of 1 Path In Closure Plan - © ME I unNpOE Pa ctr l RE I SEARCH 1 LOGOUT CHEVRON #84054 (TO607700063) - MAPTHIS SITE OPEN- SITEASSESSMENT 2103 COUNTRY CLUB BLVD ACTIVITIES REPORTCLEANUP OVERSIGHT AGENCIES STOCKTON , CA 95204 DAN JOAQUIN COUNlY LOP REA R- CASE#: neo SAN JOAQUIN COUNTY PUBLIC VVEBPAGE - SUPERVISOR:ADRIENNE ELLSAESSER VIEVIPRINTAILE CASE SUMMARY FOR TFUS SITE ALVA�RWOCB (REGtD 5)Ac CASEWORKER. JAMES eARTeu - SUPERVISOR: ORI CONDOW m#: 12725 DOW Prlaft Assigned: me: 220 CR She IO 11: NOT SPECIFIED THIS PROJECT Val LAST MODIFIED BY NUEL HE ON Og14I3C0d5iA(h02FM -HlS= THIS SITE HAS SUBMITTALS. CUCKE5L4i TO OPEN ANEW WINDOW WITH THE SUBMMAL APPROVAL PACE FOR THIS SITE. Path to Closum Plan THIS VERSIONIS FWALAS OF4Pr3s%R5 PATH TO CLOSURE HISTORY CLEAR I RIESET PAM TO CLOSURE PLAN IMPEDIMENT is Gen rat Criteria E: A conceptual site model that assesses Me nature, extent, and mobility of the release r Procedurallmpedimeat - 1NL has NOT been developed Stan to Resolve lm edimetit1 - SW 1:-DELETE STEP Low-Threatbeetled of the , finds the element= of a c p p ted COMPLETION DAIS or retexenced in other reports, so this criteria satisfied. o3r1o2014 AT A 2/192UATE 13 ADD ADDITIONAL STEP IMPEDIMENT 2: General Criteria F: Secondary source has NOT been removed to the extent practicable rl Procedurallmpediment - Ix_ Step to Resolve Impediment e 1: -DELETE STEP ement approved l actions to reduce benzene coacentlatican to pass all benzene related LTC? criteria. Previous DPE say�ietam was 5-11 feet, ant have addressod sort impacted soil 15-25 feet g s Ona du g e oee wfil3N2m6 COMPLETION ACTUAL E crem 0 d ADD ADDITIONAL STEP IMPEDIMENT3: Media-Specific Criteria: Groundwater: The contaminant plume that exceeds water quality objectives is (-' Procedumlimpediment -IBL 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): a 250 Feet and < 1,000 Feet • Plume is Stable Or Decreasing in AREAL Extent: Unknown • Benzene Concentration: 21,000 pglland < 3,000 pg8 W WResolve Impediment 3 - Ste 1:- O LE Inner: work plan to complete delineation of asserted groundwater north and northwest. COMPLETION DATE TYJN2a15 ShAtIfte Resolve Impediment 3 -Ste 2: - Convince field work and submit report of findings COMPLETION DATE - 12I30/2a1 ATE Ac II�aL OAL SINFUL Resolve Impediment 3 -Ste a Implecent appooved xennedial actions to reduce benzene concentrations to pass all atm VTCP anon was 9-11 feet , IMPEDIMENT 47 of have addressed meat amp ted soil 15-25 feet bag as ITS nation the DECR i&3o12Ri6 M TIDE iona — ADD ADDITIONAL STEP MediaSpecificCrifilDirectContact and Outdoor Air Exposure; The site is NOT considered low-threat rl Procedural Impediment -1= 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: Residential • Petroleum Constituents in Soil: < 5 Feet bgs • Soil Concentrations of Benzene: > 1.9 mg/kg and <_ 2.8 mg/kg • Soil Concentrations Of Naphthalene: Unknown • Soil Concentrations of PAH: Unknown Step to Resolve kireadiment 4 -Ste 1: - E COMPLETION DAM Peacocks area of se-4 where benzene Encountered at 2. 9 mg/kg at 5 feet bsq, continration samplu. TED 121JN201 ATE ADD ADDITIONAL STEP CLOSEOUT ACTIVITIES FOR CASE IN OPEN - ELIGIBLE FOR CLOSURE x LAND USE ro ILDIsDURE4 1CLOSURE INITIATED BY —I UPNOTIFICATION IPusuc COMPLETION DATE w[Lt TERDATE wait�oDATE—ox DATE RESTRICTIONDATE wasTEmsroanL I D � I F 1 i � su Date IderdIfled for Closure Is the data the case status changed to "Open -Eligible for Clwunz' Site cmaare mete Is Its data ma =aaa amlus changed to 'Completed SaaveeForm as Partially Completed Save Form as Complete LOGGED IN AS HENOERSONN SONTACTGIoTRACKER HELP https://geotracker.waterboards.ca. gov/regulators/screens/closure_Tolicy.asp?global_id=TO . . . 4/13/2015