Laserfiche WebLink
Case Closure Summary Page 2 <br /> Leakir- "Underground Duel Storage Tank F gram l <br /> III. Release and site Charat " zation Information (continue - 1 I <br /> Maximum Documented Contaminant Concentrations—Before and After Cleanup 1 <br /> 1 m1 Water {PPB) Contaminant Soil (ppm:) Water (PPB) <br /> Contaminant <br /> soil (pp <br /> Before After Before After Before After Before After <br /> TPH (Gas) 27,0 377 -- ___ Xylene 5.1 0.012 <0.5 t0.5 <br /> TPH (Diesel) 690.02-.7 370 c50 Ethyibenzene 0,.91 0.019 ' c0.5 <0.5 <br /> Benzene <0.25 <0.25 0.4 c0.5 Oil & Grease ---- -w, ---- <br /> Toluene c0.25" 0.007 018 c0,5 Heavy metals - 12.0 <br /> Other Other <br /> F�Fts (Depth of Remediation, etc.) : <br /> OXIMATELY 158 CU YDS SOIL REMOVED BY EXCAVATION. LOW LEVELS OF SOIL CONTAMINATION � <br /> i RE4AIN.GROCTNt1WATER INVESTIGATION WAS NOT CONDUCTED BUT RECENT RESAMPLING OF A PREVIOUSLY ; <br /> IMPACTED DOMESTIC WELL SHOWED NO CURRENT IMPACT. <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board <br /> Basin Plan? PROBABLE <br /> Does completed corrective action protect potential beneficial uses per the Regional Board <br /> Basin Plan? PROBABLE <br /> Dees corrective action protect public health for current lazed use?` PROBABLE <br /> Site management requirements: NONE I <br /> Should corrective action he reviewed if land use changes? NO <br /> Monitoring wells Decommissioned: YES Number Decommissioned:_01 Number Retained: 0 <br /> List enforcement actions taken: INITIAL DIRECTIVE LETTER, SEVERAL ENFORCEMENT LETTERS <br /> Eex <br /> forcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: DONNA HERAN Title: DIRECTOR, ENVIRONMENTAL HEALTH DIVISION <br /> Signature: � Date: <br /> VI. RWQCB Notification <br /> Date Submitted to RB: 02-23-96 RB Response: NONE <br /> RWQCB Staff Name: J. BRATHOVDE Title:ASSOC ENG GEO Date: <br /> VII. Additional. Comments, Data, eta. <br /> {GROUNDWATER INVESTIGATION DIRECTIVE APPEALED TO SWRCB THROUGH PETITION PROCESS. <br /> A COMPROMISE OF ESTABLISHING CURRENT IMPACT AT SITE WAS MADS. NO FURTHER ACTION <br /> TO BE REQUIRED IF CONDITIONS REMAIN THE SAME OR BETTER. THESE CONDITIONS HAVE BEEN <br /> MET. NO FURTHER ACTION DETERMINATION MADE AT THIS TIME. <br /> f <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 gage 2 of 2 <br />