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SIERRA LUMBER CASE#1 Page 1 of 2 <br /> LTCP Checklist R GEOTRACKERHOME IM'­A PRGJ CTa BECS�.a[gtl LOGOUr <br /> SIERRA LUMBER CASE#1 (70607700186)-MAPTHIS—SIM OPEN-VERIFICATION MONITORING <br /> f cnNJP OVERSIGHTAGENCIES <br /> 375 HAZELTON AVE W ACTIVITIES REPORT SANJOAQUINCOUNTY LOP(LEAO)-CASE a:1140 <br /> STOCKTON,CA 95203 CASEWORKER:VICKI MCGARTNEY-SUPERVISOR:ADRIENNE ELLSAESSER <br /> SAN JOAQUIN COUNTY PUBLIC WEBPAGE CENTRAL VALIF'RW'OCB(REGION 53)-OASE it 390257 <br /> CASEWORKER:JAMES BARTON-SUPERVISOR:CORI CONDON <br /> AFINPRINTARLECA E SUMMARYFOR SITE <br /> THIS PROJECT WAS UST MODIFIED BYNUEL H NO R ONON 12l1f✓20133:24:49 PM-yISLr}$Y <br /> THIS SITE HAS SUBMITTALS.CUCMMM TO OPEN A NEW WINDOW WITH THE SUBMITTAL-APPROVAL PAGE FOR THIS SITE. <br /> CLOSURE POLICY THIS VERSION IS FINAL AS OF 7/15/2013 CHECKLIST INITIATED ON 54IR2013CLOSURE POLICY HISTORY <br /> General Criteria-The site satisfies the policy general criteria-CLEAN sEc cN ANIANSIM YES <br /> e.Is the unauthorized release located within the service area of a blit waters stem? IS YES C NO <br /> Narrea Water System: CeMreler _ _.._._. ___.. <br /> 71 <br /> b.The unauthorized release Consists only of petroleum i o. 0, YES C NO <br /> c.The unauthorized(-primary')release from the UST system has been stopped. r YES C' NO <br /> d.Free product has been removed to the maximum extent practicable Lr Q.L C• FP Not Encountered C YES C NO <br /> e.A Conceptual site model that assesses the nature,extent,and mobility of the release has been developed jaf . 1: YES f, NO <br /> C Secondary source has been removed to the extant practicable info. r YES C NO <br /> g.Soil or groundwater has been tested for MTBE and results reported in accortlance with Health and Safety Code Section G Not Required r YES C NO <br /> 25296.15. <br /> Ir.Does a nuisance exist,as defined by Water Code section 13050. C YES r NO <br /> 1.MediaSpecific Criteria:Groundwater-The contaminant plume that exceeds waterqua/ity objectives is stable or decreasing in area/extent,and YES <br /> meets all of the additional characteristics of one Of the five Gasses of sites listed below.- SECTION ANSWERS <br /> EXEMPTION-Sail Only Case(Release has not Affected Groundwater-Info) C YES r NO <br /> Does the elle meat any of the Groundwater specific criteria scenarios? <br /> r YES C NO <br /> 1.1-The contaminant plume that exceeds water quality objectives is<100 feet in length.There is no free product.The nearest existing water supply well or r YES C NO <br /> surface water body is>250 feel from the defined plume boundary. <br /> F <br /> Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threatfor the vapor-inhusion-to-airpathwayif Site- NOConditions satisfy items 2a,2b,Or 2c-CLE R SECTION ANSWERSION-Active Commercial Petroleum Fueling FacilityYES NO <br /> site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scanados? C YES r NO <br /> NAL QUESTIONS-Please Indicate only those conditions that do not meet the policy criteria: <br /> s Samples: <br /> o Soil Gas Samples rTaken lnconuly <br /> ure Type: <br /> C Residential C Commercial <br /> Free Product: <br /> C In Groundwater C In Soil C Unknown <br /> TPH In the Bloattenuation Zone: <br /> r z 100 mglkg O Unknown C Soil samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) <br /> Bloattenuation Zone Thickness: <br /> C<5 Feat(No BioZone) C z 5 Feet and 110 Feet C z 10 Feet and<30 Feet C z 30 Feet C Soft BioZone Compromised TPH>100mg/kg C Unknown <br /> 02 Data in Bloattenuation Zone: <br /> or No 02 Data CO2<4% CO2a4% <br /> Benzene in Groundwater: <br /> C z 100 Pell and<1,000 pgA Ca 1,000 pgA C Unknown <br /> Soil Gas Benzene <br /> C z 85 pgfm3 and<280 pglm3 C'z 280 pglm3 and<S5,ODO pglm3 C z 85,000 pg/m3 and<280.000 pglM3 C'2 280,000 pglm3 C'Unknown <br /> Soil Gas EthylBenzene <br /> 3 3 C 600 m3 and<1,10Q000 P91m3 C z 1,100,000 p9/m3 and<3.600,000IIg/m3 C z 3,600.000 pglm3 C Unknown <br /> C e 1,100 pglm antl<3,600 pg/m z 3, 1191 <br /> Soil Gas Naphthalene <br /> C z 93 pgrm3 and<310 pg/m3 C z 310 pglm3 and<93,000 Hglm3 C z 93,000 pg/m3 and<370,000 pg/m3 C z 310,000 pglm3 C Unknown <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoorair exposure YES <br /> MIt meets 1,2,Or 3 below.-CLEAR SECTION ANSWERS <br /> EXEMPTION-The upper 10 feet of soil is free of petroleum contamination C YES r NO <br /> Daea the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? <br /> IS YES C NO <br /> 3.1-Maximum concentrations of petroleum constituents in soil are]sea than or equal to those listed in the following tableLI INKI for the speed depth is YES C NO <br /> below ground surface. <br /> Additional Information <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 2/11/2014 <br />