Laserfiche WebLink
Case Closure Summary -� <br /> r Lerng Underground Fuel Storage Tanf-�,;rogram <br /> Page 2 <br /> III Release and Site Characterization Information continued <br /> Maximum Documented Contaminant Concentrations --Before Cleanup and Present Conditions <br /> Contaminant Soil (mg/kg) Water (mglL) Contaminant Soil (mglkg) Water (mg1L) <br /> Before After Before Aftert Before After Before After <br /> ITPH (Gas) 6100 250 2.1 Ethylbenene 11 <0.05 .0079 <br /> TPH (Diesel) 8500 190 7.2 Xylenes 137 0.51 .063 <br /> Benzene <5 <0.05 <.0005 MTBE <5 <0.05 .018 <br /> Toluene <5 <0.05 <.0005 1,2-DCA <5 <0.05 .0027 <br /> EDB <5 <0.05 <.0005 <br /> Comments: <br /> Soil Before results are from dispenser 1 sample collected 1/17103. Soil After results are from boring Bl.at 15 feet collected <br /> on 8/2/04. Water Before results are from a grab sample from boring B1.collected on 812104.. There are noafter results <br /> because no further investigation was required after.812104..The extent of the contamination was defined by borings B2 and <br /> B3..... <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial.-uses per the Regional Board Basin Plan?..Yes <br /> Does completed corrective action protect potential beneficial uses per.the Regional Board Basin Plan?. Yes <br /> Does corrective action protect public health for current land use?..Yes <br /> Site management requirements:.None <br /> Should corrective action be reviewed if land use changes?..Yes <br /> MonitoringNapor wells decommissioned: NA Number Decommissioned: 0..Number.retained:..0 <br /> List enforcement actions taken:.NOR. <br /> List enforcement actions rescinded:. <br /> V. Local Agency Representative Data <br /> Name: Margaret Lagorio Title: Supervising RENS <br /> Signature: Date:. cC3 wo <br /> VI. Central Valle a Tonal Water Quali Control Board RB Notification <br /> Date Submitted to RB: Response Date:. <br /> RB Staff:.James L.L. Barton. Response: <br /> t Title:Associate En ineerin Geologist <br /> VII. Additional Comments, Data, etc. <br /> This document and the related CASE CLOSURE LETTER,Shall be retained by the lead agency as part of the official <br /> site file. <br /> 1 <br /> i <br />