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SHELL#204-7525-0104 • Page 1 of 1 <br /> Path to Closure Plan GO GEOTRACKER HOME I MANAGEPSgti S I REPORTS I SE&SO I LOGOUI <br /> SHELL#204-762"104(70607700380)-MAP THIS SIZE OPEN-SITE ASSESSMENT <br /> 6131 PACIFIC AVE CLEANUP OVERSIGHT AGENCIES <br /> STOIC KTON,CA 95207 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP(LEAD)-CASE#:1223 <br /> SAN JOAQUIN COUNTY PUBLIC WEBPAGECASEWORKER:ANGELICA SANOOVAL MARIN-SUPSFufMOR:ADRIENNEELLSAESSER <br /> CENTRAL VALLEY RwOCB(REGION 5S)-CASE#:390090 <br /> MENPRINTASLE CASE SUMMARY FOR THIS CASEWORKER:JAMES BARYON-SUPERVISOR:CORI CONOON <br /> OUP Claim P.5017 CUF Pdoelty Assigned D CUF Amount Pali 3@89.NU <br /> THIS PROJECT WAS LAST MODIFIED BY ANGEIJCASANOOVAL MARIN ON 1l/MO131:18:19 PM-HISTORY <br /> THIS SITE HAS SUBMITTALS.CUCKMM TO OPEN A NEW WINDOW Vr1TH THE SUBMITTAL APPROVAL PAGE FOR THE SITE. <br /> Path to Closure Plan THIS VERSION/SINPRDGRESSASOFS/1E/2013 PATH TO CLOSURE HISTORY CLEAR I RESET PATH TO CLOSURE PLN <br /> IMPEDIMENT 1: <br /> Media-Specific Criteda:Groundwater.The contaminant plume that exceeds water quality objectives is ❑ Procedural Impediment-iNFo <br /> NOT stable or decreasing in areal extent,and does NOT most all of the additional characteristics of one of <br /> the five classes of sites. <br /> Conditions that do not meet the policy criteria: <br /> • Plume Length(That Exceeds Water Quality Objectives):2 250 Feet and<1,000 Feet <br /> • Benzene Concentration:2 3,000 pg/I <br /> • Nearest Supply Well(From Plume Boundary):>250 Feet and 51,000 Feet <br /> Step to Rodes Impediment 1-Step 1:-DELETE ITE <br /> COMPLETION DATE <br /> Recent installations of MW-Sl and MN-18 and analytical data will be used to determine if consultant's <br /> oaimentlaeioh £o[monitored mantel attenuation is appropriate. PROJECTED OATS g�CTIIgL GATE <br /> J <br /> —_ _ <br /> ADD ADDITIONAL STEP <br /> IMPEDIMENT 2: <br /> Media Specific Criteria,Direct Contact and Outdoor Air Exposure:The site Is NOT considered low-threat r Procedural Impetliment-INFO <br /> for direct contact and outdoor air exposure as it does NOT meet 1,2,or 3. <br /> Conditions that do not meet the policy criteria: <br /> • Exposure Type:Residential <br /> • Petroleum Constituents in Soil:5 5 Fast bgs <br /> • Soil Concentrations of Benzene:>2.8 mg/kg and 5 8.2 mg/kg <br /> • Soil Concentrations of Naphthalene:Unknown <br /> • Soil Concentrations of PAH:Unknown <br /> Step to Resolve Impediment 2-Step is-DELETE ITEP <br /> __ COMPLETION DATE <br /> xhis site is currently cent Inst a active service 17an etatien and is not proposed <br /> re to change land use 1n �26�FC � <br /> the n ai future The [event installations alternati of form <br /> o and MW-10 with proposed future sampling evenb will OJ ACTI1 <br /> AJILDATE <br /> Joe evaluated to determine if an alternative form of remetliation is warranted. ' <br /> ADD ADDITIONAL STEP <br /> REQUIREMENTS ALONG PATH TO CLOSURE <br /> PUBLIC WELL <br /> DATE IDENTIFIED RP NOTIFICATION PARTICIPATION DESTRUCTION WASTE DISPOSAL LANDS SITE CLOSURE <br /> FORC CLOSURE D/+TE COMPLE DATE F—RESTRICTIOND— <br /> SAN JOAQUIN COUNTY LOP.:J I IF- <br /> `Date Identified for Closure is the date all impediments to closure have been removed <br /> Save Form as Padially Completed Save Form as Complete <br /> LOGGED IN AS HENDERSONN CONTACT GEOTRACKER HELP <br /> https://geotracker.waterboards.ca.gov/regulators/screens/closure—Policy.asp?global_id=T... 12/13/2013 <br />