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I� STOCKTON CITY CAB CO Page l of 2 Path to Closure Plan " [201 GEOTRACKER HOME I MANAGE PROJECTS REPORTSSEARCH I LOGOUT � STOCKTON CITY CAB CO (70607700882 MAP THISVIE) - ______ OPEN - SRE ASSESSMENT 2085 FREMONT ST E CLEANUP OVERSIGHT AGENCIES STOCKTON , CA 95297 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP ILFAO) - CASE#: 1117 CASEWORKER: ANGELICA SANDOVAL MARIN - SUPERVISOR: ADRIENNEELLSAESSER SAN JOAQUIN COUNTY PUBLIC VVEBPAGE CENTRALVALLEY RVJOCB (REGION 63) - CASE#: 391066 VIEW PRINTABLE CASE SUMMARY FOR THIS SUE CASEWORKER JdAMES BARTON - SUPERVISOR: CORI CONDON CUP Claim It 14821 CUF Priority Assigned: B CUP Amount Paid: ST31460 THIS PROJECT WAS LAST MODIFIED BY ANGELICA SANDOVAL MARIN ON 12119/20134:11 :33 PM - }1L�= THIS SITE HAS SUBMITTALS. CLICKIJ• ERE TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. Path to Closure Plan THIS VERSION IS FINAL AS OF IFIW2013 PATH TO CLOSURE HISTORY CLEAR I RESET PATH TO CLOSURE PLAN IMPEDIMENT I : General Criteria E: A conceptual site model that assesses the nature, extent, and mobility of the release 171 Procedural Impediment - INRo has NOT been developed Step to Resolve Impediment 1 - Step 1: - DELETE STEP ittal of conceptual site model (Csll) or a list or reports containing the necessary cmg information. COMPLETION DATE PROJECTED DAM CTUALDATE 6/302014 1F1812m3 ADD APDI110NAL STEP IMPEDIMENT 2: General Criteria F: Secondary source has NOT been removed to the extent practicable ❑ Procedural Impediment - INRo Step.to Resolve Impediment 2 - Step 1: - DELETE STEP COMPLETION DATE ntinue soil Vapor extraction (sve) remediation. '.. PR TE PROJECTED ACTUAL E 12/3012015 1WISC013 Step to Resolve Impediment 2 - Step 2: - DELETE STEP COMPLETION DATE Implement and operate the approved ozone injection systmu- PROJECTED DATEALDATE 12302015 1F1&2013 ADD ADDITIONAL STEP IMPEDIMENT 3: Media-Specific Criteria: Groundwater: The contaminant plume that exceeds water quality objectives is r! Procedural Impetliment - I_ 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): Unknown - • Benzene Concentration: 2: 1,000 pg/I and < 3,000 pg/l • Nearest Supply Well (From Plume Boundary): Unknown Step to Resolve Impediment 3 - Step 1: - DELETE STP COMPLETION DATE Prepare and submit a sensitive receptor suryy. PROJECTED OATS LDATE 12302014 A1F182m3 Step to Resolve Impediment 3 - Step 2: - DELETE STEP Prepare and submit a workplan to complete dissolved plume delination . COMPLETION DATE PROJECTED DATE ACTUALDATE 121302014 12/102013 .. _ _ _ I Step to Resolve Impediment 3 - Step 3: - DELETE STEP 1 mens work plan and submit report of findings . COMPLETION DATE O 8CTUALDATE PROJECTED ADD ADDITIONAL STEP IMPEDIMENT 4: Media Specific Criteria: Petroleum Vapor Intrusion to Indoor Air: The site is NOT considered low-threat for 17 Procedural Impediment - moo the vapor-intrusion-to-air pathway and site-specific conditions do NOT satisfy items 2a, 2b, or 2c . Conditions that do not meet the policy criteria: • TPH in the Bioattenuation Zone: 2100 mg/kg • Bioattenuation Zone Thickness: < 5 Feet (No BioZone) • 02 Data in Bioattenuation Zone: No 02 Data • Benzene in Groundwater: 21,000 pg/l • Soil Gas Benzene: Unknown • Soil Gas EthylBenzene: Unknown • Soil Gas Naphthalene: Unknown Step to Resolve Impediment 4 - Step 1: - DELETE STEP COMPLETION GATE PROJECTED DATE �ACTI�IAL DATE 613012014 I https ://geotracker.waterboards.ca.gov/regulators/screens/closure_Tolicy.asp?global_id=T. . . 12/19/2013