Laserfiche WebLink
Case Closure Summary Page1 <br /> LeUnderground Fuel Storage ;Ta ogram <br /> III. Release and Site Chara erization Information (continued) <br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> Contaminant Soil (ppm) Water (Ppb) Contaminant ', Soils (Ppm) Water (ppb) <br /> Before After Before After ; Befc're After Before After <br /> TPH (Gas) 10,000 5.2 0 10 Xylene i, 8.1 0.22 0 0 <br /> TPH (Diesel) 0 0 0 0 Ethylbenzene1.1 0 1.6 0 <br /> Benzene .7 .14 1.0 0 Oil a Grease fl 0 0 0 0 <br /> Toluene .6 .28 0 0 Heavy metals0 0 0 0 <br /> Other Other F, 0 0 0 0 <br /> Comments (Depth of Remediation, etc.) : <br /> Tank pit over/excavated to 30' bgs. All walls of <br /> excavation (N, E, S, W) sampled and all soil results were ND:'Iat 0.005 ppm for BTEX, and <br /> 50 ppm for TPH-g. Only bottom sample had hits as recorded its Rafter" from Sect III above. <br /> IV. Closure <br /> r <br /> Does completed corrective action protect existing beneficial'iuses per the Regional Board <br /> Basin Plan? (Yes) No (NA) <br /> Does completed corrective action protect potential beneficial uses per the Regional Board <br /> Basin Plan? (Yes) No h <br /> Does corrective action protect public health for current land use? (Yes) No <br /> Site management requirements: NONE <br /> 0 <br /> Should corrective action be reviewed if land use changes? Yes (No) <br /> Monitoring wells Decommisioned: (Yes) No Number Decammisioned: 1 Number Retained: 0 <br /> List enforcement actions taken: ADMINISTRATIVE OFFICE '}HHARING HELD WITH PHS-EHS FOR <br /> i FAILURE TO MONITOR AND SAMPLE MONITORING WELL AND SUBMIT QUARTERLY REPORTS. COMPLIANCE <br /> i <br /> REACHED AFTER HEARING AND REPORTS SUBMITTED UNTIL CLOSURE. <br /> List enforcement actions rescinded: <br /> r� <br /> V. Local Agency Representative Data <br /> Name: DONNA HERRN Title: DIRECTOR 'iOF ENVIRONMENTAL HEALTH i <br /> Signature: Date: _ r ilii <br /> VI. RWQCB Notification t !A <br /> F <br /> Date Submitted to RB: RB Response: <br /> RWQCB Staff Name: Title: <br /> VII. Additional Comments, Data, etc. <br /> TWO (2) 2R VAPOR WELLS INSTALLED UNDER APPROVED WORKPLANiAND EHD PERMIT WERE DESTROYED <br /> AT SAME TIME MONITORING WELL WAS DESTROYED. VAPOR WELLi NEVER ATTACHED TO A SYSTEM AND NO <br /> SYSTEM WAS EVER INSTALLED TO RECOVER VAPORS (SUCK FROM THE VADOSE) . <br /> 3+ <br /> :p <br /> L <br /> This document and the related CASE CLOSURE LETTER, Shall1be retained by the lead agency <br /> as part of the official site file. (08/24/93) <br /> Exhibit N Page 2 of 2 <br /> i <br />