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Case Closure Summary Page'2 <br /> Leaking Underground Fuel Storage Tanis Program <br /> l[l Release and Site Characterization information (continued) <br /> Maximum Documented Contaminant Concentrations --Before and After Cleanup <br /> Contaminant Sail (PPM) Water I (ppm) Contaminant Sail (Ppm) Water (Ppm) <br /> Before After Before After Before After Before After <br /> 7PH (Gas) 510 NA .6 .57 Etrylbenzene 2.3 NA .0013 .0019 <br /> i PH (Diesel) NS NS NS NS Xylene 2Z NA .0062 .0084 <br /> Benzene NO NO .0005 NO Oil &Grease NO NS NS NS <br /> Toluene .17 NA .0007 NO Heavy Metals NS NS :NS NS <br /> Mineral Spirits NS NS NS NS Lead 31 NA NS NS <br /> .%ATBE NS NS NS NS <br />�� 'Comments (Depth ofRernediatiori.`eic.}:Over excavationto depth of�Q `ems Ciasure based art absence of hettzene � <br /> I <br /> Vt. C1 osure <br /> Does completed corrective ac3on protect existing beneficial uses per the Regional Board Basin Plan? (Yes) j <br /> Ooes completed corrective action protect potential benefidal uses per the Regional Board Basin Plan? (Yes) <br /> Does corrective action protect public health tr current land use? (Yes) j <br /> Site management requirements: none <br /> Should corrective action be reviewed it land use c"anges? (Yes) s <br /> i <br /> Monitoring wells decommissioned: (No) Number Oecommissioned: Number retained: O <br /> i <br /> List enforcement actions taken: NOR sent <br /> List enforcement actions rescinded: None <br /> I <br /> V. Local Agency Representative Data <br /> Name: Oona Reran iite_ Directorof Environments! Feaith <br /> ignature: Date: S 7- <br /> .� <br /> 58 <br /> Vi. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Dace Submitted to RB: Lc E y 3 , I q Response Date: us{ <br /> RS Staif: J_ Brathovde Resaonse: <br /> Tide: Assoc Eng Geologist CD A C u r r e A C e <br /> VII. Additional Comments, Data. etc. <br /> Closure based on absence of Benzene. <br /> f. <br /> This document and the related CASE CLOSURE LE7FER, Small be retained by the lead agency as part of the <br /> official site file. (08!24193) Exhibit N Page 2 of 2 <br />