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TOYOTA TOWN INC f .I _ Page 1 of 2 <br /> LTCP Checklist ® GEOTRACKERHOME I MANAGEPROJECTS I REPORTS I SEARCH I LOGIC <br /> TOYOTA TOM INC (TO607700148) - MAP THIS SITE OPEN-REMEDIATION <br /> 610 HUNTER STN CLEANUP OVERSIGHTAGENCIES <br /> STOCKTON , CA 95202 ACTIVITIES REPoRT SAN JOAQUIN COUNTY LOP (LEAD) - CASE#. 1151 <br /> SAN JOAQUIN COUNTY PUBLIC WEBPAGE CASEWORKER: ANGELICA SANDOVAL MAR IN - SUPERVISOR: ADRIENNEELLSAESSER <br /> VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB (REGION 5S) - CASE#: 390213 <br /> CASEWORKER: JAMES RARTON - SUPERVISOR: CORI CONDON <br /> CUF Claim #: 11910 CUF Priority Assigned: B CUF Amount Paid: 11,0L0,%2 <br /> CR also IO 4: NOT SPECIFIED <br /> THIS PROJECT WAS LAST MODIFIED BYINEL MENDERSONON 5114120151A4:33 PM -bWSIM <br /> THIS SITE HAS SUBMITTALS. CLICK HERE TO OPEN ANEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. <br /> CLOSURE POLICY THIS VERSION IS FINAL AS OF 511412015 CMECA115T1111HATED ON 54102013 CLOSURE POLICY HISTOR' <br /> General Criteria - The site satisfies the policy general criteria - CLEARSECTIORMSMERSyE5 <br /> a. is Me unauthorized release located within the service area of a public waters stem? <br /> IN"— ofwatersystern <br /> Cal,.ater is YES r N <br /> b. The unaulhorixetl release consists only of petroleumfinat. r YES r N <br /> c. The unauthorized rpmr aW) release Mom the UST system has been Mopped. rVES r <br /> N <br /> d. Free product has been removed to Ne maximum extent practicable Iinfol. is FP Nm Encountered C YES r N <br /> e. A conceptual site model Hut assesses Me nature, extent and mobility of Me release has been developed Ll. Is YES r N <br /> F. Secondary source has been removed to Me extent predicable lirrig. G YES r N <br /> g. Sell or groundwater has been tested for MTBE and results repoded in accordance with Health and Safety Code Section 25296.15. C Not Required r YES r N <br /> In. Does a nuisance exist, as defined by Water Code section 13050, C YES Of N <br /> 1 . Media-Specific Criteria: Groundwater - The contaminant plume that exceeds water quality objectives is stable or decreasing in areal extent, YE-s <br /> and meets all of the additional characteristics of one of the five classes of sites listed below. - CUDUZ conicalARSwERs <br /> EXEMPTION - Soil Only Case (Release has ya Affected Grountlwater - Info) r YES r N <br /> Does the site meetany of the GroundwaterspeciOc criteria scenarios? r YES r N <br /> 1.4-The contaminant plumethat exceeds water quality objeclives is <1,000 feet in length. Thera is no free pmduct The nearestexistingxater supply well or surface water body is <br /> >i,000f t from the defined plume boundary. The dissolved concentrators of benzene and MTBE are both <TWO pg1L r VES r N <br /> 2. Media Specific Criteria: Petroleum Vapor Intrusion to Indoor Air - The site is consideredlow-threat for the vapor-intrusion-to-air pathway if NO <br /> site-specific conditions satisfy items 2a, 2b, or 2c - crEaR sEcamm <br /> F MPUON -Alive Commercial Petroleum Fueling Facility C YES r N <br /> Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? r YES r N <br /> ADDITIONAL QUESTIONS - Please indicate only those conditions that do not meet the policy criteria: <br /> Soil Gas Samples : <br /> C No Soil Gas Samples C Taken Incorrectly <br /> ExposureType : <br /> C Reedental r Commercial <br /> Free Product : <br /> r In Groundwater r In Sail r Unknown <br /> TPH in the Bioatienuatbn Zone : <br /> r > 100 mglkg r Unknown r Soil samples nottake i at tvm depths origins R zone (only for Scenario 4with UoZone) <br /> BieaHanuaOan Zone Thickness : <br /> r < 5FeMH,lo Biozone) r. >_ 5Feetand < 19 Feet 7 > 10reeland < 30Feet ra30Feet C30ftRoZone Compromisec TPH > 100mgAit rUnknown <br /> 02 Data In BioaHenuaton Zone : - <br /> rNoO, Dda rOr < 4% rO, > 4% <br /> Benzene in Groundwater : <br /> 7z100pglland < 1,000pgA C >_ lafxl pg11 CUnknown <br /> Sail Gas Benzene : <br /> C z m pglm' and < 280 pglm' C z 280 pglm' and < MOOD pglm' r e 85,000 Pgim' and < 280,000 pglm' C >_ 280,000 pgim' as Unkruxn <br /> Soil Gas EthylBenzene : <br /> C z 19100 ppeani <3,60o HyrO r >_ 3,600pg1m' and < 1,100,000pg/m' r > 1,1cg0xxrpgonsand < 3,6000O0pgme r >_ 3,6W,Ieet4m' rUnMOwn <br /> Bell Gas Naphthalene : <br /> r 83 MvO and < 310 pglms r31 We and < 93,000 We r t 93,000 pg1m' and < 310,Om pglm' r > Sleigh pgim' raUnknowrn <br /> 3. Media Specific Criteria: Direct Contact and Outdoor Air Exposure - The site is considered low-threat fordirect contact and outdoor air NO <br /> exposure if if meets 1, 2, or 3 below. - CLEAR SECTION riesevER <br /> EXEMPTION - The upper 10 fast of soil is tree of petroleum contamination r YES is N <br /> Does the site meet any of the Glred Contact and Outdoor Air Exposure criteria scenarios? r YES as N <br /> ADDITIONAL QUESTIONS - Please indicate only those conditions that do not meet the policy criteria. <br /> Exposure Type : <br /> C Residential r Commercial r Utility Worker <br /> Petroleum Constituents in Soil <br /> C 55 Feet legs C >5 Feet legs and 510 Feet bgs r Unknown <br /> Soil Concentrations of Benzene : <br /> r > 1Smglk9and < 2.emg1kg C >2Amgnkgands82mglkg r > 8ZrHgegmMS12mg!kg r > 12mglkgand < 14mg1kg r > 14mgfkg saUnarmen - <br /> Soil Concentrations of EthylBenzene : - <br /> https ://geotraelcer.waterboards. ca.gov/regiiiators/screens/closure <br /> __policy. asp . . . 5/ 14/2015 <br />