FIELD DOCUMENTS - Laserfiche WebLink

Home Browse Search

RAYMOND GREER Page 1 of 2 r t Path to Closure Plan GO GEOTRAOKERHOME I MANAGEPROJECTS I REPORTS IUARO I jJQ9M RAYMOND GRE ER(70607700061)-MAP THIS SITE OPEN-WMFICA770M MONITORING 15634 STEINEGUL RD SCLEANUP OVERSIGHT AGENCIES ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP(LEAD)-CASE a:2021 ESCALON,CA 95320 CASEWORKER ANGELIC_SANDOVAL MA RIN-SUPERVISOR:AORIENNEEUSAESSER SAN JOAQUIN COUNTY PUBLIC WEBPAGE CENTRALVALLEY RMCS(REGION 5S)-CASEM 3S0074 VIEW PRIWA6L CASE SUMMARY FOR THIS ME CASEWORKER:JAMES BARTON-SUPERVISOR CORI CONDON CUP CMim It 6525 CUP Merry Assigned:A CUF Amount Peid:$887880 THIS PROJECT WAS LAST MODIFIED BY NOEL HENOERSONON 120=01 311:26:07 AM-t113TORY THIS SITE HAS SUBMITTALS.CLICK t1EBF.TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. Path to Closure Plan THIS VERSION IS FINAL AS OF IW013 PATHTOCLOSUREHISTORY CLEAR I RESET PATH TO CLOSURE PIAN IMPEDIMENT 1: General Criteria A:The unauthorized release is NOT located within the service area of a public water ❑ Procedural Impediment-INFQ system IF Stepto Resolve Impediment 1-Stip 1:-DELETE STEP COMPLETION DATE F7hblest site is in an unincorporated area of Sen Coaquin county with no sanitary sewer or publicIt must be demwns[ratetl in an uptlatetl CSM with a fate antl transpmz[ motlel that the plume of PROJECTED DATE ACTUAL DATEed groundwater is unlikely to impact either local domestic well. _. 613W2D14 ADD ADDITIONAL STEP IMPEDIMENT 2: General Criteria E:A conceptual site model that assesses the nature,extent,and mobility of the release r Procedural Impediment-INFO hes NOT been developed Step to Resolve Impediment 2.Step 1:-RL FTE STEP COMPLETION DATE Preparation and submittal of an updated CSM that demonstrates these elements is needed. 8/302014 TE PROJE ACTUAL DA ——_ ADD ADDITIONAL STEP IMPEDIMENT 3: General Criteria F:Secondary source has NOT been removed to the extent practicable fl Procedural Impediment-INFO Step to Resolve Impediment 3-Step 1:-DELETE STEP COMPLETION DATE Consultant has proposed new ressediation technology (ISC0) which the n,w property owner will not permit; the plume o£ impacted groundwater appears to be stable and retraction, except perhaps in MW-6. An PROJECTED DATE ACTUALDATE updated CSM with a fate and transport andel may be adequate to demonstrate adequate reduction of the - ._.6(3012014 ADD ADDITIONAL STEP IMPEDIMENT 4: Media-Specific Crneda-Groundwater:The contaminant plume that exceeds water quality objectivesis 177 Procedural Impediment-INFO NOT stable or decreasing In areal extent,and does NOT meet all of the additional characteristics of one of the five classes of sites. Conditions that do not meet the policy criteria: • Plume Length(That Exceeds Water Quality Objectives):>_100 Feet and<250 Feet • Nearest Supply Well(From Plume Boundary):5 250 Feet Ship Read.Impediment 4-Step is-DELETE STEP COMPLETION DATE [5—sad'on recent monitoring reports, the plume of impacted groundwater appears to be stable antl �ACTUAL DATEexce t ha in MW-6. An uptlatetl CSM with a fate and transport model may be atlequa[e to _J traction, p per psvaluate the deeper monitoring well MW6 data as to its potential to impact the domestic well (deepestom.,:r,..:..,. „<n Mw-ri_na�mr_ba•n_:mnaetadt__—_ _—___. ___.——___ Ad)ADDITONAL STEP IMPEDIMENT 6: Media Specific Criteria-Petrole m Vapor Intrusion to Indoor Air:The she is NOT considered low-threat for ❑ Procedural Impediment-Ixro the vapor-Intrusion-to-air pathway and site-specific conditions do NOT satisfy nems 2a,2b,or 2c. Conditions that do not meet the policy criteria: • TPH in the Bioattenuation Zone:Unknown • Bioattenuation Zone Thickness:Unknown • 02 Data In Bioattenuation Zone:No 02 Data • Benzene in Groundwater:2100 pgll and<1,000 4911 • Soil Gas Benzene:Unknown • Soil Gas EthylBenzene:Unknown • Soil Gas Naphthalene:Unknown Step to Resolve Impediment 5-Slap 1:-OELETE STEP F COMPLETION DATE Phe uptlatetl CSH should address and evaluate this criteria. p O CTED DA Q DATE —_ ADD ADDITONAL STEP IMPEDIMENT 6: - Medla S eciflc Crit ria•Direct Contact and Outdoor Air Exposure:The site is NOT considered low-threat ❑ Procedural Impediment-INFO > n vo..r,�ro.t ap �m �.,/ PQ,latnrc/screens/closure nolimasn?global id=T... 12/12/2013