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KOK REALTY // Page 1 of 2 .� RGceftd4r+ «L _TCP Checklist OEOTRA K RHOM IMANAGE PROJECT&IBEPORT§I$FGHSI�ILQgL 1LT KOK REALTY(T06077000831-MAP THIS SITE OPEN-SITE ASSESSMENT 2403 NAVY DR ACTIVITIES REPORT STOCKTON,CA 95206 - F F SAN JOAOUIN COUNTY LOP(LEAD)-CASES:2023 SAN JOAQUIN COUNTY PUBLIC BPA CASEWORKER:HARUN NNOLL-SUPERVISOR:ADRIENNE ELLSAESSER CENTRAL VALLEY RNpCB(REGION 5S)-OASES:M112 VIEW PRINTiBLE CASE R CASEWOFKER:JAM HAwTON-SUPERVISOR:BRIANNEWMAN CUFCYIm Y:13993,3187 LUFP1kaily Axl9me:D CUFAMOUMPaMl:j11 THIS PROTECT WAS!ABT MODIFIED BY NAM IU A?Ku r ON 8312!11311'08:01 MA-HISTORY THIS SITE HAS bUBMITTAIB.CUCKbi TO OPEN ANEW WINDOW WITH WE SUBMITTALAPPROVAL PAGE FOR THE SIZE, CLOSURE POLICY THIS VERSION IS IN PROGRESS AS OF 5/30/2013 CNECKLISTINI IATED ON 6342013 ttOaGRE PDL=.MamaY General Crlhria-The sits SefiSfies the policy general criteria-CuEARsELTON Amwia,A YES a.Is the,unadmorized release located within the service area of a Public water a stem? Nanta of WaterSystem: C3kxaler r YES r NO b.The unauthomed release consists only of petroleum J= or YES r NO C.The imauthoraetl('primary')release from the UST system has been stopped. r YES r NO it Free product has been removed to the mex inum extent practicable into. r FP Not Encountered r YES r NO e.A conceptual site model that assesses Me nature,extent,and mobility of the release has been developed 60(91. ra YES r NO I,Secondary source has been removed to the extent practicable o. Is 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. r Not Required r YES r NO It.Does a nuisance exist,as defined by Water Code section 13050. r YES r NO 1.Media-Specific Criteria:Groundwater-The contaminant plume that exceeds waterquality objectives is stable or decreasing in areal extent,and meets all of fhe additional characteristics of One offt this Classes ofsrtes listed below.-CLE A BECTON ANSWERS YEB EXEMPTION-Soil Only Case(Release has ILoj Affected Groundwater-Info) r YES Or NO Does Me site meet any of the Groundwater speC81C criteria scenarios? r YES r NO 1.1-The contaminant plume mat exceeds water quality objectives is<100 feet in length There is no free product.The nearest existing water supply well or surface water body is>250 feet from the defined plume boundary. r YES r NO 2.Media SpeciBG Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vapor-intrusion-to-airpafhway ifsite- NO Ok specific conditions satisfy items 2a,2b,or 2C-CLEAR SECTION ANsmRs EXEMPTION-Active Commercial Petroleum Fueling Facility r YES fa NO Q'a ' Does Me site meet any of the Petroleum Vapor Intrusion to Indoor Air speck criteria scenarios? r YES Is NO vv ADDITIONAL Samples: N$-Please indicate only Mose conditions that tlo not meat Me policy criteria: Soil Gas Samples: KI t r No Soil Gas Samples r Taken Incorrectlyt Exposure Type: is Residential r Commercial Free Product: C In Groundwater r In soil r Unknown TPH in Me Bioanenuadon Zone: is a 100 mi r Unknown r Soil samples not taken at two depths within 5 fl.zone(only for Scenario 4 with BioZone) Bicattenuation Zone Thickness: IF <5 Feet(No BioZone) r a 5 Feel and<10 Feet r a 10 Feet and<30 Fast r z 30 Feet r 30R BioZone Compromised TPH>100mgfkg r Unknown 02 Data in Bioattanuation Zone: rNo0,Data r02<4% (0224% Benzene in Groundwater: C a 100 pall and<1,000 pgrl r a 1,000 pgll r Unknown Soil Gas Benzene: or a 85 p9'm3 and<280 pg/m3 r a 280 palms and<85,000 pg/m3 r z 85,000 pg/m3 and<280,000 pglm3 r a 280,000 palma rUnknown Soil Gas EthylBenzene: r z 1,100 pgmi and<3,600 pg1,3 r a 3,600 pg/m3 and<1,100,000 pg/m3 r a 1,100,000 pglrn3 and<3,600.000 pg/m3 r a 3,600,000 pgtn3 (Unknown Soil Gas Naphthalene: r a 93 pglm3 and<310 WM3 r a 310 pg/m3 and<93,000 pglm3 r z 93,000 pg/m3 and<310,000 pg/m3 r z 310,000 pghn3 r Unknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor air exposure YES if it meats 1,2,or 3 below.-CLEAR SECTION ANSWERS EXEMPTION-The upper 10 feet of soil is free of petroleum contamination r YES r NO Doss Ibe site meat any of the Direct Contact and Outdo"Air Exposure criteria scenarios? r YES r NO 3.1-Maximum concentrations of petroleum constituents in soil are less than or equal to Mose listed in the following table(LINK 1 for the specified depth below,ground surface. Is YES r NO https://geotracker.waterboards.ca.gov/regulators/screens/closure—Policy.asp?global_id=T06... 7/9/2013