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WELDON CHURCH RESIDET"E Page 1 of 2 <br /> LTCP Checklist GO GEOTRACKER HOME I MANAGE PROJECTS I REPORTS SEARCH LOGOUT <br /> WELDON CHURCH RESIDENCE(T0607700214)-MAP THIS SITE OPEN-REMEDIATION <br /> 104 BEVERLY PL W CLEANUP OVERSIGHT AGENCIES <br /> TRACY, R 95376 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP(LEAD)-CASE#:2253 <br /> CASEWORKER,VICKI MCCARTNEY-SUPERVISOR:ADRIENNE ELLSAESSER <br /> SAN JOAQUIN COUNTY PUBLIC WEEPAGE CENTRAL VALLEY RWOCB(REGION 5S)-CASE#:390292 <br /> VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CASEWORKER:JAMES BARTON.SUPERVISOR:CORI CONDON <br /> CUF Claim#:8502 CUF Priority Assigned:B CUF Amount Paid:$346,897 <br /> THIS PROJECT WAS LAST MODIFIED BY wCK/MCCARTNEY ON 7/30/2013 4:24:22 PM-HI T RY <br /> THIS SITE HAS UNAPPROVED SUBMITTALS.CLICK HERE TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. <br /> CLOSURE POLICY THIS VERSION IS FINAL AS OF 713012013 CHECKLIST INITIATED ON 7/29/2013 CLOSURE POLICY HISTORY <br /> General Criteria-The site satisfies the policy general criteria-CLEAR SECTION ANSWERS NO <br /> a.Is the unauthorized release located within the service area of a public water s stem? <br /> Name of Water System: CITY OF TRACY WATER UTILITIES <br /> J-' YES C NO <br /> b.The unauthorized release consists only of petroleum info. G YES C NO <br /> c.The unauthorized(`primary")release from the UST system has been stopped. (: YES C NO <br /> d.Free product has been removed to the maximum extent practicable jbrpl. FP Not Encountered r YES C NO <br /> e.A conceptual site model that assesses the nature,extent,and mobility of the release has been developed Jbfol. YES r NO <br /> f.S ondary source has been removed to the extent Dracticable info. <br /> Impediment to Removing Secondary Source(Check all that Apply): <br /> F Remediation Has Not Been Attempted <br /> F Remediation Was Designed Incorrectly C YES (• NO <br /> F Remediation Was Shut OR Prematurely <br /> F Poor Remediation 08M <br /> F Other - lRemediation not completed;a vapor intrus t / S�ys3�ws.u1 I <br /> g.Soil or groundwater has been tested for MTBE and results reported in accordance with Health an Safety Code Sectionl" Not Required r YES (' NO 2412. <br /> 25296.15. <br /> h.Does a nuisance exist,as defined by Water Code section 13050. r YES 0- NO <br /> 1.Media-Specific Criteria:Groundwater-The contaminant plume that exceeds water quality objectives is stable or decreasing in areal extent,and YES <br /> meets all of the additional characteristics of one of the five Gasses of sites listed below.-CLEAR SECTION ANSWERS <br /> EXEMPTION-Soil Only Case(Release has not Affected Groundwater-Info) r YES 0 NO <br /> Does the site meet any of the Groundwater specific criteria scenarios? r YES r NO <br /> 1.2-The contaminant plume that exceeds water quality objectives is<250 feet in length.There is no free product.The nearest existing water supply well or <br /> surface water body is>1,000 feet from the defined plume boundary.The dissolved concentration of benzene is<3,000 Ng/L.The dissolved concentration of G YES O NO <br /> MTBE is<1,000 Ng/L. <br /> 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vapor-intrusion-to-air pathway if site- 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 scenarios? C 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 r Taken Incorrectly <br /> Exposure Type: <br /> G Residential r Commercial <br /> Free Product: <br /> r In Groundwater C In Soil (' Unknown <br /> TPH In the Bioattenuadon Zone: <br /> r z 100 mg/kg r Unknown r Soil samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) <br /> Bloattenuation Zone Thickness: <br /> r<5 Feet(No BioZone) 0 z 5 Feet and<10 Feet r>_10 Feet and<30 Feet r 2:30 Feet r 30ft BioZone Compromised TPH>100mg/kg r Unknown <br /> 02 Data in Bioattenuation Zone: <br /> r No 02 Data r 02<4% C 02 2:4% <br /> Benzene in Groundwater: <br /> r z 100 Ng/I and<1,000 pg/l r z 1,000 Ng/I C Unknown <br /> Soil Gas Benzene: <br /> r z 85 Ng/m3 and<280 Vg/m3 r>_280 pg/m3 and<85,000 Ng/m3 r>85,000 Vg/m3 and<280,000 pg/m3 r z 280,000 Ng/m3 r Unknown <br /> Soil Gas EthylBenzene: <br /> r?1,100 Ng/m3 and<3,600 Ng/m3 r>_3,600 Ng/m3 and<1,100,000 Ng/m3 r>_1,100,000 Ng/m3 and<3,600,000 pg/m3 r z 3,600,000 vg/m3 r Unknown <br /> Soil Gas Naphthalene: <br /> C Z 93 Ng/m3 and<310 Ng/m3 r a 310 Ng/m3 and<93,000 pg/m3 r i 93,000 pg/m3 and<310,000 Ng/m3 r 2:310,000 Ng/m3 f'Unknown <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor air exposure <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 7/30/2013 <br />