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ARCO #2130 Page 1 of 2 <br /> M <br /> Closure Review GEOTRACKERHOME I MANAGEPROJE TS I REPORTS I SEARCH I LOGQUT <br /> ARCO #2130 (T0607700074) - MAP THIS SITE OPEN - REMEDIAHON <br /> 7906 EL DORADO ST N CLEANUP OVERSIGHTAGENCIES <br /> STOCKTON , CA 95210 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP EEAIO) -CASE #: 1004 <br /> CASEWORKER: MICHAEL INF URNA - SUPERVISOR:AORIENNEELLSAESSER <br /> SAN JOAQUIN COUNTY PUBLIC WEEPAGE CENTRAL VALLEY RWQCS (REGION 5S) - CASE0: 300102 <br /> VIEW PRINTABLE CARE SUMMARY FOR THIS 31 CASEWORKER: JAMES BART SUPERVISOR: JAMES MUNCH <br /> CUF Claim N: Sued CUF Priority Assigned: D CUF Amount Paid: §g <br /> THE PROJECT WAS LAST MODIFIED BY MICNAEL INFURNAON 9/8/2011 11:30:54 AM - HISTORY <br /> THIS SITE HAS SUBMITTALS. CLICK HERE TO OPEN ANEW WINDOW WH THE SUBMDTAL APPROVAL PAGE FOR THIS SITE. <br /> 1 CLOSURE REVIEW THIS VERSION IS FINAL AS OF 918/2011 CLOSURE REVIEW HISTORY <br /> IS THIS CASE READY FOR CLOSURE? r YES Or NO - VIEW MAXIMUM CONCENTRATIONS REPORT <br /> IMPEDIMENTS TO CLOSURE <br /> Site Assessment ]Repurchase Onagootahle Risk <br /> (� Incomplete Conceptual Site Model (CSM) F Unacceptable Risks to Human Health Imm Sail <br /> F Pollutant Sources Have Not Been Adequately Identified or Evaluated F Unacceptable Risks N Human Health from Vapor Intrusion <br /> F Extent of Contamination Has Not Been Determined F Unacceptable Risk from Soil Contaminants Entering Surplus Runoff <br /> Potential Risks. Threats, And Omer Environmental Concours Have Not Been Adequately Identified And r Unacceptable Risk from Contaminated Groundwater Day Lighting to Surface Water <br /> F <br /> Asseisetl <br /> an Other <br /> p intrusion evaluation notcompleted . Land Use <br /> d is <br /> F- Sensitive Receptor Survey Has Not Been Completed r Proposed Change in Land Use (Need Additional RI and/or Cleanup) <br /> F Other r Risk Management Measures Need Agency Oversight IN. Cap Maintenance) <br /> Inadequate Sauce Conte# r Other <br /> F- Feasible Source Control Not Performed <br /> Pr— edural NorlRespoedlmanls <br /> F Remaining Spume Poses Threat to Groundwater rNon-Responsive and / or Recalcitrant Responsible Party <br /> F- Other r RP Says They Do Not Have Adequate Funds to Initiate or Continua Work at me Site <br /> Plume InstabTiW r Site Data And Reports Not Uploaded to Geotbacker <br /> Groundwater Contamination Plume Not Stable or Decreasing <br /> FIRED and RP concurrence remediation needed . Monitoring Wells Not Yet Abandoned <br /> F learnedto verify attentiveness of remedial action <br /> F- Significant Rebound In Concenbatione After RemeOiabon z <br /> Land <br /> F Verification Monitoring Not Comptete r Regional Water er Brad! Objects to Closure <br /> F Dme <br /> F Local Agency Objects to case Closure <br /> Grountlwaler Impacts <br /> F Groundwater Impamed Above Backgrountl F Community Objects to Case Closure <br /> F Grountlwaler Impacted Above Omer Cleanup Goal r LOC Suspended <br /> F Groundwater WE Not Meet Relevant WOOS Seroro the Beneficial Use of the Groundwater is Needed r Relmbuesemenls Delayed <br /> F Other F Other <br /> Well Impacts Ofhar lmped'ments <br /> es <br /> ove ground rmediaton system Aug 2013 and <br /> he <br /> F Municipal Wells Impacted dee VRE a c2010 . EHoecomments Dec 2010 and requiress <br /> F Municipal Wells Potentially Impacted an 14, 2011 . <br /> F Domestic Wells Impacted <br /> F Domestic Wells Potentially Impacted <br /> F Inigafion I Industrial Wells Impacted <br /> F ligation I Industrial Wells Potentially Impacted <br /> F De-Watering Well / Sump Impacted <br /> F- De-Watering Well / Sump Potentially Impacted <br /> F Omer <br /> BENEFITS OF ADDITIONAL WORK 9ENSITNE RECEPTORS LIKELY TO BE IMPACTED AND TIME FRAME FOR IMPACT <br /> r om RI Data Gaps Municipal Well <br /> F— Complete CSM antl OurUntlersplMing of HytlrogeotogicRegime and Fate and Transport Dom¢stic Wells <br /> too <br /> ofrnoveI Reduce <br /> _ <br /> F- Verify Remedial Action Effectiveness Groundwater Alreetly impacted Ifor levelsNFA e <br /> Rem ti n l Rocca <br /> Source Mas r�1 <br /> additional mass/dissolved petro needs to be reduced to Surface Water <br /> r Water(BStream, Lake) <br /> levels s nee a for consideration .ion . SWrm tlmin (Round of contaminated soil) <br /> Sept 20 approves 11 . RED pp hydrogen Indoor Air(Residential or Commercial) <br /> test. s n peroxide tion field Irrigation l Industrial Well <br /> F Protect Designated Beneficial Uses Other <br /> F Restore Beneficial Uses <br /> F Protect Existing Water Supply Wells <br /> F- pound Human Health <br /> r Protect Ecological Receptors <br /> F Restore Blighted Property to Productive Use <br /> F Other <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/menu.asp?global_id=T0607700074. . . 9/8/2011 <br />