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: 192 (FORMER N��13IL) J11 ' ` ilk 01- Page 1 of 2 �..s- LTCP Checklist Go GEOTRACKER HOME I MANAGE PROJECTS I REP t'I'g I SEAR .i I LOGOUT BP#11192(FORMER MOBIL)(T0607700329)-MAP THIS sITE OPEN-ELIGIELt FOR CLOSURE 1403 COUNTRY CLUB BLVD ACTIVITIES REPORT CLEANUP OVERSIGHT AGENCIES STOCKTON,CA 95204 SAN JOAQUIN COUNTY LOP(LEAD)-CASE#:1995123 SAN JOAQUIN COUNTY PUBLIC WEBPAGE CASEWORKER:LISA MEDINA - SUPERVISOR:ADRIENNE ELLSAESSER VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB(REGION 5S)-CASE#.•390424 CASEWORKER:JAMES BARTON - SUPERVISOR:CORI CONDON CUF Claim#:2413 CUF Priority Assigned:D CUF Amount Paid: 18S 3.394 THIS PROJECT WAS LAST MODIFIED BY LISA MED/NA ON 7110/201312:57:31 PM- I T THIS SITE HAS SUBMITTALS.CLICK HERE TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. CLOSURE POLICY THIS VERSION IS FINAL AS OF 7/10/2013 CHECKLIST INITIATED ON 612512013 CLOSURE POLICY HISTORY General Criteria-The site satisfies the policy general criteria-CLEAR SECTION ANswERs F YES a.Is the unauthorized release located within the service area of a public waters stem? Name of Water System: lCalwater f' YES C NO b.The unauthorized release consists only of petroleum info. r YES C NO c.The unauthorized('primary")release from the UST system has been stopped. 6 YES C NO d.Free product has been removed to the maximum extent practicable jbfg. r' FP Not Encountered C YES C NO e.A conceptual site model that assesses the nature,extent,and mobility of the release has been developed jtf2j r YES C NO f.Secondary source has been removed to the extent practicable Ltfgl. 0 YES C NO g.Soil or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section 25296.15. C Not Required r' YES C NO h.Does a nuisance exist,as defined by Water Code section 13050. C 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.-c EAR YES SECTION ANSWERS EXEMPTION-Soil Only Case(Release has not Affected Groundwater-Info) C YES 6' NO Does the site meet any of the Groundwater specific criteria scenarios? 0- YES C NO 1.5-The regulatory agency determines,based on an analysis of site specific conditions,that the site under current and reasonably anticipated near-term future scenarios,the contaminant plume poses a low threat to human health and safety and to the environment and water quality objectives will be achieved r YES C NO within a reasonable time frame. 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vapor- YES intrusion-to-air pathway if site-specific conditions satisfy items 2a, 2b,Or 2c-CLEAR SECTION ANSWERS EXEMPTION-Active Commercial Petroleum Fueling Facility 6' YES C NO 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact NQ and outdoor air exposure if it meets 1,2,or 3 below.-CLEAR SECTION ANSWERS EXEMPTION-The upper 10 feet of soil is free of petroleum contamination C YES NO Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? C YES f' NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Exposure Type: a Residential C Commercial C Utility Worker Petroleum Constituents in Soil: r s 5 Feet bgs C>5 Feet bgs and s10 Feet bgs C Unknown Soil Concentrations of Benzene: _ t:>1.9 mg/kg and:5 2.8 mg/kg C>2.8 mg/kg and15 8.2 mg/kg C>8.2 mg/kg and s 12 mg/kg C>12 mg/kg and<14 mg/kg C>14 mg/kg C Unknown Soil Concentrations of EthylBenzene: C>21 mg/kg ands 32 mg/kg C>32 mg/kg ands 89 mg/kg C>89 mg/kg ands 134 mg/kg C>134 mg/kg ands 314 mg/kg C>314 mg/kg C Unknown Soil Concentrations of Naphthalene: C>9.7 mg/kg and<45 mg/kg C>45 mg/kg and s 219 mg/kg C>219 mg/kg r Unknown Soil Concentrations of PAH: C>0.063 mg/kg ands 0,68 mg/kg C>0.68 mg/kg ands 4.5 mg/kg C>4.5 mg/kg f'Unknown Area of Impacted Soil: C Area of Impacted Soil>82 by 82 Feet (_Unknown Additional Information Should this case be closed in spite of NOT meeting policy criteria? EfhIain: ile shallow soil data is sparce, only onesample (SS-PIE-3 @ 5 feetbsg) containedbenzene at2.9mg/kg exceeding l: YES C NO deal standard of1.9 mg/kg, however the site is not utilizedfor residential purposes and theoccurrance appears to limiedextent. This appears to be a relatively low mass release with impact to groundwater waning as the secondary .,,.,-e SPELL CHECK https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp... 7/10/2013