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BANK OF THE WF (FORMER SHELL) Page 1 of 2 �LTCP Checklist Go GEOTRACKER HOME I MANAGE PROJECTS JEEPORTS I SEARCHLOGOUT BANK OF THE WEST(FORMER SHELL)(70607700721)-MAP THIS SITE OPEN-ELIGIBLE FOR CLOSURE 1267 COUNTRY CLUB BLVD CLEANUP OVERSIGHT AGENCIES STOCKTON,CA 95201 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP(LEAD)-CASE#.505602 SAN JOAQUIN COUNTY PUBLIC WEEPAGE CASEWORKER:LISA MEDINA - SUPERVISOR:ADRIENNE ELLSAESSER VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB(REGION 5S)-CASE#.390895 CASEWORKER:JAMES BARTON - SUPERVISOR:CORI CONDON CUF Claim#:18070 CUF Priority Assigned:D CUF Amount Paid:§0 THIS PROJECT WAS LAST MODIFIED BY LISA MEDINA ON 10/1/2013 3:46:49 PM- Y THIS SITE HAS SUBMITTALS.CLICK HERE TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. CLOSURE POLICY-FY 12113 THIS VERSION IS FINAL AS OF 6114/2013 CHECKLIST INITIATED ON 10/23/2012 CLOSURE POLICY HISTORY NOTE:CHANGES CAN ONLY BE SAVED FOR FY 13/14 LTCP CHECKLISTS-CLICK HERE TO VIEW PREVIOUS LTCP CHECKLISTS General Criteria-The site satisfies the policy general criteria-cLEAR sEcTIoN ANswERs YES a.Is the unauthorized release located within the service area of a public waters stem? Name of Water System: lcaiilornia Water Service 6 YES NO b The unauthorized release consists only of petroleum Llafo. G YES NO c.The unauthorized("primary')release from the UST system has been stopped. r YES t^ NO d.Free product has been removed to the maximum extent practicable jinfo. F FP Not Encountered YES r' NO e.A conceptual site model that assesses the nature,extent,and mobility of the release has been developed Jinfo. r. YES r NO f.Secondary source has been removed to the extent practicable ftfg, G YES r NO g.Soil or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section 25296.15. Not Required YES NO h.Does a nuisance exist,as defined by Water Code section 13050. O YES r' NO 1.Media-Specific Criteria:Groundwater- The contaminant plume that exceeds water quality objectives is stable or decreasing in areal extent, and meets all of the additional characteristics of one of the five classes of sites listed below.-CLEAR YES SECTION ANSWERS EXEMPTION-Soil Only Case(Release has not Affected Groundwater-Into I- YES f' NO Does the site meet any of the Groundwater specific criteria scenarios? f' YES <' NO 1.4-The contaminant plume that exceeds water quality objectives is<1,000 feet in length.There is no free product.The nearest existing water supply well or surface water body is>1,000 feet from the defined plume boundary.The dissolved concentrations of benzene and MTBE are both<1,000 pg/L. R YES f NO 2.Media Specific Criteria: Petroleum Vapor Intrusion to Indoor Air- The site is considered low-threat for the vapor- intrusion-to-air pathway if site-specific conditions satisfy items 2a, 2b, or 2C-cl FAR SECTION AN to E NO EM EXEMPTION-Active Commercial Petroleum Fueling Facility f G Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? YES NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: YES NO Soil Gas Samples r- No Soil Gas Samples (_Taken Incorrectly Exposure Type: (' Residential f Commercial Free Product: ('In Groundwater f In Soil f'Unknown TPH in the Bioattenuation Zone 100 mg/kg f Unknown f Soil samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) Bioattenuation Zone Thickness: f <5 Feet(No BioZone) f >5 Feet and<10 Feet f i 10 Feet and<30 Feet I-?30 Feet C'30ft BioZone Compromised TPH>100mg/kg f Unknown 02 Data in Bioattenuation Zone I' No Oz Data f-Oz<4% f 02>_4% Benzene in Groundwater: G z 100 pg/I and<1.000 pg/I f -1.000 Ng/I C' Unknown Soil Gas Benzene: r;85 pg/m3 and<280 pg/m3 r a 280 ug/m3 and<85,000 Ng/m3 f z 85,000 Ng/m3 and<280,000 pg/m3 f 2:280,000 N9/n3 ( nknownU Soil Gas EthylBenzene r>_1,100 ug/m3 and<3,600 pg/m3 f a 3,600 pg/m3 and<1,100,000 Pg/m3 r z 1,100,000 pg/m3 and<3,600,000 Ng/m3 f a 3,600,000 pg/m3 (Unknown Soil Gas Naphthalene f Z 93 Ng/m3 and<310 Ng/m3 r i 310m3 and< 3 11g/ —93,000 pg/m3 f'>_93,000{3g/m3 and<310,000 Ng/m3 f 2:310,000 YgIrTI3 Unknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure- The site is considered low-threat for direct contact and outdoor air exposure if it meets 1,2, or 3 below. -r` FAR SECTION ANSWERS ERC YES-] EXEMPTION-The upper 10 feet of soil is free of petroleum contamination f YES G NO https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy,asp... 10/8/2013