Laserfiche WebLink
i Case Closure Summa <br /> e 2 <br /> Leakinr 'Tnderground Fuel StoragegTank P gram <br /> III. Release and Site Charac V- ization Information (continued,`) <br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> Contaminant Soil (ppm) Water (ppm) Contaminant Soil (ppm) Water (ppm) <br /> Before After Before After Before After Before After <br /> TPH (Gas) 15000 77 N/A N/A Xylene 1400 5.7 N/A N/A <br /> TPH (Diesel} N/A N/A Ethylbenzene 260 .84 N/A <br /> Benzene 90 .032 N/A N/A Oil S. Grease N/A <br /> Toluene 840 1.2 N/A N/A Heavy metals N/A <br /> Other N/A N/A Other N/A <br /> Comments (Depth of Remediation, etc.) : <br /> OVEREXCAVATED TO 28 FEET RESULTS WERE ND, EAST NORTH AND SOUTH WERE ND, WEST WALL BENEATH <br /> BUILDING AT 10 FEET DEPTH CONTAINED RESIDUALS REPORTED IN SECTION III,BORING INSIDE <br /> BIIILDING CONFIRMED EXTENT OF CONTAMINATION TO THE WEST. MASS BALANCE ESTIMATION OF 88 YDS <br /> BENEATH BIIILDING. <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board <br /> Basin Plan? (Yes) No <br /> Does completed corrective action protect potential beneficial uses per the Regional Board <br /> Basin Plan? (Yes) No <br /> Does corrective action protect public health for current land use? (Yes) No <br /> Site management requirements: NONE <br /> Should corrective action be reviewed if land use changes? (Yes) No <br /> Monitoring wells Decommisioned: Yes No Number Decommisioned: Number Retained: <br /> List enforcement actions taken: <br /> NOTICE OF REIMBURSEMENT <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: DONN RERAN Title: REHS, DIRECTOR OF ENVIRONMENTAL HEALTH <br /> Signature: Date: <br /> VI. RWQCB- Notification <br /> Date Submitted to RB: RB Response: <br /> RWQCB Staff Name: Title: Date: <br /> VII. Additional Comments, Data, etc- <br /> SOIL ONLY <br /> This document and the related CASE CLOSURE LETTER, Shall be retained by the lead agency <br /> as part of the official site file. (08/24/93) <br /> Exhibit N Page 2 of 2 <br /> • r � i <br />