SITE INFORMATION AND CORRESPONDENCE_FILE 3

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BP#172 (THRIFTY) Page 1 of 1 Project Information ® GEOTRACKER HQME I MANAGE PROJECTS REEQRUfaEARGbI I.QCi.4VZ BPp172(THRIFTY)(TO607700504)-MAP THIS SITE OPEN-REMEDIATION 7647 PACIFIC AVE SAN OVERSIGHT AGENCIES STOCKTON.CA 95207 A�TIVITI Rf<PORT sAN JOAou couNry LOP if`"D)-CASE u,1227 CASEWORKER:MICHAEL/NFURNA-SUPERVISOR:ADRIENNE ELLSAESSER SAN JOAQUIN COUNTY PUBLIC WL13PACE CENTRAL VALLEY RWOCB(REGION SS)-CASE M.390852 VIEWP NITA�UE�gSIs�SyM(Lt9 FSR THIS ITE CASEWORKER:44YES aARTON-SUPERVISOR:JAMES MUNCH CUF Cleim N:13547,2158 CUF Priority Assigned:C,D CUF Amount Paid:$44LO" THIS PROJECT WAS LAST MODIFIED BY MCHAEL INFURNA ON 120/2011 10:35:43 AM-HISTORY THIS SITE HAS SUBMITTALS.CLICK HERE TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. PROJECT INFORMATION PAOO&TAITATUG HISTORY .I Save Changes GRANT ACCESS TO OTHER ASSOCIATED AGENCIES TO RECEIVE/DENY ESI SUBMITTALS AND SCHEDULE ACTIVITIES FOR THIS CASE-INFO SITE TYPE STATUS-DEFINITIONS STAIV-S OATS RP IDENTIFICATION RP ID DATE LUST Cleanup Site Open-Remediation 1/1/1998 FUNDUIG OF BITE CLEANUP-INFFO FUNDING FOgOVERSIGH�TECL�UP-INFO FILE LOCATION RESPONSIBLE PARTY FUNDS-PRIVATE-NON-SUPERFUND SITE NONE SPECIFIED Local Agency HUMAN HEALTH EAPMRE-14FO G$OUNDWATEH_M1SrRATON-INFO REMEIDY FOB—CLEA_NA P DATE C 'ATE 7 i_ DAZE I T DAF NSUFFICIENT DATA 10/20/2011 UNDETERMINED 10/20/2011 J INO INO _:J, 12!7/2010 S-TAEENOTES IINTERNALI ---...........'start internal staff rates--"`-..........Pre UST removal site assement conducted 1991 under EHD Unit IV-Infuma contact Contamination noted Site enters LOP Aug 1991,Thrifty Oil Company(TOC)Is RP.UAR and Prop 85 filed. July 1995:Five steel USTs removed by TOC as new tennant prepares takeover July 1995-New USTs installed in same hole area as Cldce K leases site and operates gas station.April 2001 TOC starts GWE&SVE remediation onsite. Nov 2007 GWE goes offline as repairs made-never goes back online. Dec 2007.Three USTs removed as Circle K lease expires.March 2D09:SVE goes offline as ConocoPhdlips and TOC contract for charge in responsibitity.Oct 2010.All wells removed as site building scheduled for demo May 2011 Five replacement wells installed after new"7-11'store opens March 2011 SITE HISTORY(PUBLIC) +++++++*+++++++++START PUBLIC NOTES+++++++++++++May 23.1991 Site assessment conducts and subsurface soil bodflgs advanced,soil sampling condeaed,and 4 monitoring wells installed onstte under EHD permit Report of findings reviewed.contamination verified,and site enters LOP August 9,1991 July 25.1995:4 USTs removed.Contamination noted in soil under USTs. Over-excavation conducted at site to total depth-30 feet below surface and residual soil contamination still present and left in place. Additional monitoring wells and vapor wells installed from 1995 to 2008. Soil vapor extraction and insbu air sponging conducted onsite until May 2009.May 2009,Thrifty Oil notifies EHO ConomPhillips to take over as responsible party for site cleanup Active remediation on hold pending access agreement between Thrifty and CommPhillips.4-5-2010 EHD directive letter to TOC to gw sample.report.&rebound lest SVE system in April 2010-reports due on GT July 15.2010 April 12.2010-Signed access agreement between COP and TOC rev'd at EHD-Stantac Consulting leaves,ATC comes on as new site consultant 5-27-10'.EHD rebound test extension denial letter 7-9-2010:EHD approval letter for MW-4 destr and MW-4R install 9-2-2010: EHD approves TRAP 10-1-10,EHD reviews and approves MW destruction and replacement WP addendum Gw plume still nor wropletefy characterized-remediation needs not fully evaluated-human risk evaluation not completed-IRAP not started due to onsite building construction changes Sep 8,2011 EHD recd MW replacement installation report.SCM,and HHRA reports Oct 20,2011 EHD recd 3rd-2011 SAMR- review begins for all three reports. Oct 24,2011:EHD comment letter on all three reports and requests work plan for delineation.Nov 2011:WP for additional replacement wells(8),soil gas probes(5)and one soil bora g installations recd. Dec 2011:EHD approves work plan.+++++++++—1—END OF PUBLIC CLEANUP OVERSIGHT AGENCIES CASE NUMBER CLEANUP OVERSIGHT AGENCY LI-� LEAD DATE END DATE 1227 SAN JOAQUIN COUNTY LOP 1� 7730/1991 390652 CENTRAL VALLEY RWQCB(REGION 5S) I 0 r 0 0 LATITUDE/LONGITUDE INFORMATION MUST BE IN THE GEOGRAPHIC NAD83 COORDINATE SYSTEM: LATITUDE LONGITUDE t;tyFFER fIN FEET) LAT/LONG SOURC1,E 38.019456152 -121.32402425 1-Historical Geocode-Exact Address Match CLICK HERE TO RE-POSITION THIS PROJECT ON THE MAP SPELL CHECK LOGGED IN AS INFURNAM CONTACT GEO7RAC�K R HELP https://geotracker.waterboards.ca.gov/regulators/screens/menu.asp?global id=7060770050... 12/7/2011