Laserfiche WebLink
J <br /> 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 After Before After <br /> TPH (Gas) 7.0 <1 <.05 Xylenes 0.561 <.01 <.001 <br /> TPH (Diesel) NA NA NA Ethylbenzene 0.062 <.005 <.0005 <br /> Benzene <0.003 <.005 <.0005 Oil&Grease NA NA NA <br /> Toluene 0.088 <.005 <.0005 Heavy Metals 29 NA NA <br /> MTBE <.03 <.005 <.0005 <br /> Comments: SOIL 'BEFORE' DATA FROM TANK PULL SAMPLE RESULTS. SOIL `AFTER' DATA FROM SOIL BORING <br /> SB-1, ADVANCED ON JUNE 11, 2008. WATER SAMPLE DATA FROM SOIL BORING SB-1. ANALYSIS FOR 1,2-DCA <br /> REPORTED NON-DETECT IN ALL `AFTER' SOIL AND GROUNDWATER RESULTS. <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board Basin Pian?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 lands use changes?YES <br /> MonitoringNapor wells decommissioned: 0 Number Decommissioned: 0 Number retained: 0 <br /> List enforcement actions taken: NOR <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: MARGARET LAGORIO, RENS Title: PROGRAM COORDINATOR, UNIT IV <br /> Signature: Date: 11571 f? <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: JAMES L.L. BARTON, PG Response: <br /> Title: ENGINEERING GEOLOGIST <br /> VII. Additional Comments, Data, etc. <br /> NON-DETECT RESULTS PRESENT NO POTENTIAL THREAT TO INDOOR AIR FROM VAPOR INTRUSION. <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 />