Laserfiche WebLink
Case Closure Summary Page 2 <br /> Leaking Underground Fuel Storage Tank Program <br /> Ill. Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations-- Before and After Cleanup <br /> Contaminant Soil Before (ppm) Water (ppm) Contaminant Soil Before (ppm) Water (ppm) <br /> After Before After I After Before After <br /> TPH (Gas) 4,700 0.066 0.089 Xylenes 460 <0.0005 <0.0005 <br /> TPH(Diesel) 1,200 2.0 2.6 Ethylbenzene 16.0 <0.0005 0.00054 <br /> Benzene ND <0.0005 <0.0005 Oil&Grease 3,600 NA NA <br /> Toluene 16.0 <0.0005 <0.0005 Heavy Metals 19 NA NA <br /> MTBE 0.92 <0.0005 <0.0005 <br /> Comments: SOIL 'BEFORE' DATA FROM TANK PULL SAMPLE D-2, EXCEPT TPHD FROM D-3. `OIL' DATA IS BUNKER <br /> OIL FROM BORING B-4-2 @ 11 FEET BSG. NO SOIL REMEDIATION WAS PERFORMED, NO SOIL 'AFTER' DATA <br /> EXISTS. WATER `BEFORE' DATA FROM MWA ON 2112109; WATER 'AFTER' DATA FROM MW-1 ON 213111. <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 /> Monitoring/Vapor wells decommissioned: YES Number Decommissioned: 4 Number retained: 0 <br /> List enforcement actions taken: NOR <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: DONNA RERAN, RENS Title: DIRECTOR <br /> Signature: L] Date: <br /> 20t3 <br /> Vl. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: NovembE16, 2011 Response Date: December 2, 2011 <br /> RB Staff: JAMES L.L. BARTONResponse:Title: ENGINEERING GEOL <br /> VI1. 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 site file. <br /> I <br /> f <br />