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KNOWLES STATION Page 1 of 1 <br /> Path to Closure Plan GO GEOTRACKER HOME I MANAGE PROJECTS I REPORTS I SEARCH l.ocouT <br /> FNEQ STATION(TO607700078)-MAP THIS 317E OPEN-ELIGIBLE FOR CLOSURE <br /> MER LN WACTIVITIES REPORT ANUPOV R K3HTA clEs <br /> N,CA 95209 SAN JOAQUIN COUNTY LOP(LE4D)-CASE#:1724 <br /> UIN COUNTY PUBLIC WEBPAGE CASEWORKER:G ARI ON I -SUPERVISOR:ADRIENNE ELLSAESSER <br /> VI W PRINTABLE CAS SUMMARY FOR THISI7 CENTRAL VALLEY RWQCB(REGION 5S)-CASE#:390107 <br /> CASEWORKER:JAMES AARTON-SUPERVISOR:COR/CONDON <br /> CUF Claim#:854 CUF Priority Assigned:B CUF Amount Paid:5387.388 <br /> CR Site ID#:NOT SPECIFIED <br /> THIS PROJECT WAS LAST MODIFIED BY NUEL NEHDERSON ON 4/8/20151:57:02 PM-HISTORY <br /> THIS SITE HAS UNAPPROVED SUBMITTALS.CLICK HCRF TO OPEN ANEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. <br /> Path to Closure Plan THIS VERSION IS FINAL AS OF 6/8/2014 PATH TO CLOSURE HISTORY CLEAR/RESET PATH TO CLOSURE PAN <br /> IMPEDIMENT 1: <br /> General Criteria F:Secondary source has NOT been removed to the extent practicable IF r Procedural Impediment-INFO <br /> Ste to Resolve Im 1-Ste 1:- <br /> Impacted soil has been cenloved to the extent practicable by a cavation, impacted dwater (and COMPLETION DATE <br /> groan <br /> possibly aoil)continues to be treated by Active shnllox and deep ozone aparging. FOJ CTED DA7 AL DATE <br /> 6/302015 6/6/2014 <br /> �,..e �n7a nana�rP.-.star.w,.m has l,,,uc�r_ed...., etil�r_.r.f•e. .har ..,,,,,.at ..r ,m....,.- � �..;t >�varh rr,o __-_ — <br /> ADDADDITIONALSTEP <br /> IMPEDIMENT 2: <br /> Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air:The site is NOT considered low-threat for r Procedural Impediment-I= <br /> the vapor-intrusion-to-air pathway and site-specific conditions do NOT satisfy items 2a,2b,or 2c. <br /> Step to Resolve Innimam 2•aten 1:-DFLETIF STEP - <br /> continue to reduce benzene co.centrations i dwater throe h ozone to concentrations less COMPLETION DATE <br /> n groan g aparging than 1,000 ppb; if necessary, collect and analyze soil gas samples to evaluate the vapor intrusion hazard. O AL DATE <br /> April 2015 UPDATE-A 30-foot bioattenuation zone e:tists so vapor intrusion is a mtntmal threat. —6/302015 4/8/2015— <br /> ADD ADDITIONAL STEP <br /> CLOSEOUT ACTIVITIES FOR CASE IN OPEN•ELIGIBLE FOR CLOSURE <br /> DATE IDENTIFIED RP NOTIFICATION PUBLIC PARTICIPATION WELL DESTRUCTION WELL DESTRUCTION WASTE DISPOSAL LAND USE <br /> FOR CLOSURE' CL0.4 N IA V D COMPLETION LETT D D RESTRICTIONSITE CLOSURE DATE" <br /> 4/8/2015 1 STAN JOAQUIN COUNTY LOP <br /> Date Identified for Closure Is the date the case status changed to"Open-Eligible for Closure" <br /> '•Site Closure Date is the date the case status changed to"Completed-Case Closed" <br /> Save Form as Partially Completed Save Form as Complete <br /> LOGGED IN AS HENDERSONN CONTACT GEOTRACKER HELP <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure policy.asp?global id=T06... 4/8/2015 <br />