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__ase Closure Summary Page 2 <br /> Eeeaki. acFerground Fuel Storage Tank "a= <br /> III A Release and Site Charac�.'ftization Information (continued)`. <br /> Malj.mum: Documented Contaminant Concentrations--Before and After Cleanup <br /> {EPB) Contaminant Soil (Ppm) Water (EPB) <br /> i. <br /> Co$stamnant Sail (ppm,) Water Before After Before After <br /> Before After Before After <br /> Zeas 610. 16.7 ---- 0.8 <br /> TPH (Gas) 2800. 226. ---- <50 Xy ---- 6.97 ---- <0 .3 <br /> TPH (Diesel) ---- ---- ---_ _ Ethylbenzene ---_ ---- ---- __ <br /> Benzene <20.0 46.0 -- 0.4 Oil a Grease 45.0 ---- -- <br /> Toluene 160. 2.83 ---- 0.5 LEAD metals <br /> MTBE ---- <0.25 ---- <br /> Comments <br /> - -- Other <br /> Comments (Depth of Remediation, etc.) <br /> VERY LIMITED RZI"7ASE OF GASOLINE FUEL. CONFINEM TO THE SOIL BETWEEN 15' AND 25' BGS. <br /> #t#tie 3#tir# #tir#► <br /> Iy, <br /> Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board <br /> Basin Plan? YES <br /> Does completed CDrreCtive action protect potential beneficial uses per the Regional Board <br /> Basin Plan? YES <br /> Does corrective action protect public health wor current land use? YES <br /> Site management requirements: NONE <br /> Should corrective action be reviewed if land use changes? YES <br /> Monitoring wells Decommisioned: S Number Decom=si.oned:04 Number Retained: 0 <br /> List enforcement actions taken: NONE <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Title: DIRECTOR, ENvZrRONMENTAL HEALTH DIVISION <br /> Name: DONNAJ� y/ J <br /> Signature: <br /> VZ. RFiQC9" Notification r <br /> Date Submitted to RB: L�� RS Response: Cmc-kA rce—VAca <br /> RWQCS Staff Name: BRATHOVDE Title--ASSOC ENG GEOL Date: C7 - zl- <br /> VII. Additional Comments, Data, etc. <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 />