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SIERRA LUMBER CASE#1• . Page 1 of 2 <br /> LTCP Checklist GO GEOTRACKER HOME IMANAGEPROJECTS(REPORTS ISEARCH lLr _our <br /> SIERRA LUMBER CASE#1(70607700185)-MAP THIS SITE OPEN-VERIFICATION MONITORING <br /> 375 HAZELTON AVE W ° OVERSIGHT Euc1Es <br /> ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP((EAD)-CASE W.71" <br /> STOCKTON,CA 95203 CASEWORKER:Mica McCartney-SUPERVISOR ADRIENNE ELLSAESSER <br /> SAN JOAQUIN COUNTY PUBLIC WEBPAGE CENTRAL VALLEY RAQCB(REGION 5S)-CASE If.390257 <br /> CASEWORKER:JAMES SARTON-SUPERVISOR:CORI CONDON <br /> view P NTsBLE CASE SUMMARY FOR THIS SITE <br /> THIS PROJECT WAS LAST MODIFIED BYVICIrf MCCARTNEyON W19213141259:52 PM-yIS= <br /> THM SITE MS SUBMITTALS.CLICK REM TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPRMAL PAGE FOR THIS SITE. <br /> CLOSURE POLICY THIS VERSION IS IN PROGRESS AS OF 9/19/2014 CHECKLISTIMVATEDONS21V 3o R POLICY YHISTORY <br /> General Criteria-The site satisfies the policy general Ordain-CLEAR SECTION ANswaRs YES <br /> a.Is the unauthorized release located within the service area of a public waters stem? <br /> f• VES r NO <br /> Name of Water System: Catwaler ___. <br /> b.The unauthorized release consists only of petroleum lbkl. Or YES r NO <br /> G.The unauthorized("primary)release from the UST system has been stopped. r VES r NO <br /> d.Free product has been removed to the maximum extent practicable li lfg). r FP Not Encountered C YES r NO <br /> e.A Conceptual site model that assesses the nature,extent,and mobility of the release has been developed inbol. is YES C NO <br /> I.Secondary source has been removed to the extent practicable info. r YES r NO <br /> g.Soil or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section f Not Required is YES C NO <br /> 25296.15. <br /> h.Does a nuisance exist,as defined by Water Code section 13050. r YES Is NO <br /> 1.Media-Specific Criteria:Grountlwater-The Contaminant plume that exceeds wafer quality objectives is stable or decreasing in area/extent,and yE3 <br /> meets all of the additional characteristics of one of the five classes ofsites listed below.-CLEAR sacTloN ANswERs <br /> EXEMPTION-Soil Only Case(Release has not Affected Groundwater-Info) C YES r NO <br /> Does the site most any of the Groundwater specific criteria scenarios? is 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 is YES C NO <br /> surface water body is>250 feet from the defined plume boundary. <br /> 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered/ow-threat for the vapor-intrusion-to-airpathway ifslte- NO <br /> specific Conditions satisfy items 2a,2b,or 2C-CLEAR SECTION ANSWERS <br /> EXEMPTION-Active Commercial Petroleum Fueling Facility r YES r NO <br /> Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenados? r YES r• NO <br /> ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy Criteria: <br /> Soil Gas Samples: <br /> r No Soil Gas Samples Or Taken Incorrectly <br /> Exposure Type: <br /> r Residential r Commercial <br /> Free Product: <br /> r In Groundwater C In Soil C Unknown <br /> TPH in the Bioattenua5on Zona: <br /> r z 100 mglkg C Unknown C Soil samples not taken al two depths within 5 R.zone(only for Scenario 4 with BioZone) <br /> Sloanenuadon Zone Thickness: <br /> r<5 Feet(No BioZone) r z 5 Feel and<10 Feet r z 10 Feel and<30 Feet r z 30 Feet r 30t BioZone Compromised TPH>100mg1kg r Unknown <br /> 02 Detain Bioaftenuadon Zone: <br /> r No 02 Data C 02<4% r 02 z 4% <br /> Semen.In Groundwater: <br /> r z 100 pgll and<1,000 pall r z 1,000 pall r Unknown <br /> Soil Gas Benzene: <br /> r z 85 pglm3 and<280 pg/m3 r a 280 pglm3 and<85,000 Pg/m3 C t 85,000 palms and<280,000 pg/M3 C z 280,000 pglm3 C Unknown <br /> Soil Gas EthylBenzene: <br /> C z 1,100 pglm3 and<3,600 pg/m3 r z 3,800 pglm3 and<1,100.000 pgIM3 r z 1,100,000 pglm3 and-3,600,000 pgAn3 r z 3,600,000 palms C Unknown '/e <br /> Soil Gas Naphthalene: <br /> C Z 93 pglm3 and<310 pgfm3 rz 310 pg/m3 antl<g3,000 pglm3 r a 93,000 pg/m3 and<310,000 pglm3 C z 310,000 pgIM3 is Unknown�� ,J JJlS <br /> 3.Media Speck Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoorair exposure YES <br /> if It meats 1,2,or 3 below.-CLEAR SECTION ANSwEas <br /> EXEMPTION-The upper 10 feet of soil is free of petroleum contamination C YES le NO <br /> Does the site meet any of the Dlrecl Contact and Outdoor Air Exposure criteda scenarios? r YES C NO <br /> 3.1-Maximum concentrations of petroleum Constituents in soil are less than or equal ID those listed in the following table(LINK)for the Specified depth Is YES r NO <br /> below ground Surface. <br /> Additional Information <br /> https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 9/19/2014 <br />