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Table 1: Cumulative Summary of Investigation Scope <br /> 306 North Ham Lane <br /> Lodi, California 95242 <br /> Partner Project Number 23-400162.14 <br /> April and July 2023 <br /> Date of <br /> Sample Sample RECAssue Location Terminal Depth Matrix Sampling Target <br /> Identification Collection (feet . . Depths* <br /> West Interior of Former Dry 0 5 Sub-Slab Soil <br /> 0.5 <br /> SS-1 Cleaning Facility(Suite 308A) Gas <br /> Central-North Interior of Former <br /> Sub-Slab Soil <br /> SS-2 Dry Cleaning Facility(Suite 0.5 Gas 0_5 <br /> Former On-Site Dry 308A) <br /> April 6, 2023 CVOCs <br /> Cleaning Facility Central-South Interior of Former <br /> Sub-Slab Soil <br /> SS-3 Dry Cleaning Facility(Suite 0.5 Gas 0.5 <br /> 308A) <br /> Southeast Interior of Former <br /> Sub-Slab Soil <br /> SS-4 Dry Cleaning Facility(Suite 0.5 Gas 0_5 <br /> 308A) <br /> Soil Gas 51 15 <br /> West Exterior of Former Dry 2, 5, 10, 15, 20, <br /> B1 Cleaning Facility(Suite 308A) 40 Soil 25, 30, 35 <br /> Groundwater 40 <br /> Soil Gas 51 15 <br /> B2 East Exterior of Former Dry 50 Soil 2, 5, 10, 15, 20 <br /> Cleaning Facility(Suite 308A) <br /> Groundwater 50 <br /> Southeast Interior of Former Soil Gas 5, 15 <br /> B3 Dry Cleaning Suite(Suite 308A); 16 <br /> Vicinity of Previous Sub-Slab <br /> Probes SS-3 and SS-4 Soil 2, 5, 10, 15 <br /> Northeast Interior of Former Soil Gas 51 15 <br /> B4 Dry Cleaning Suite(Suite 308A); 16 <br /> Vicinity of Previous Sub-Slab <br /> Probe SS-2 Soil 2, 5, 10, 15 <br /> Northeast Interior of Lodi Sub-Slab Soil <br /> SS-5 Laundromat(Suite 308B) 0.5 Gas 0.5 <br /> July 6 and 7, Known PCE Impacts <br /> 2023 to Soil Gas Southwest Interior of Former PCE <br /> Sub-Slab Soil <br /> SS-6 Dry Cleaning Facility 0.5 Gas 0_5 <br /> (Suite 308A) <br /> Southeast Interior of Former <br /> IAQ-1 Dry Cleaning Facility(Suite Not Applicable Indoor Air Not Applicable <br /> 308A);Co-located with Boring <br /> B3 <br /> Northeast Interior of Former <br /> Dry Cleaning Facility(Suite <br /> IAQ-2 Not Applicable Indoor Air Not Applicable <br /> 308A);Co-located with Boring <br /> B4 <br /> Southwest Interior of Former <br /> Dry Cleaning Facility(Suite <br /> IAQ-3 Not Applicable Indoor Air Not Applicable <br /> 308A);Co-located with Sub-Slab <br /> Probe SS-6 <br /> Northeast Interior of Lodi <br /> Laundromat(Suite 308B);Co- <br /> IAQ-4 Not Applicable Indoor Air Not Applicable <br /> located with Sub-Slab Probe <br /> SS-5 <br /> East Exterior of the Subject <br /> AMB-1 Not Applicable Ambient Air Not Applicable <br /> Property Building <br /> Notes: <br /> *Depths in bold analyzed for tetrachloroethene(PCE)via United States Environmental Protection Agency(EPA)Method 8260B.Underlined depths analyzed for PCE and/or chlorinated <br /> volatile organic compounds(CVOCs)[specifically PCE;trichloroethene(TCE);cis-1,2-dichloroethene(DCE);trans-1,2-DCE;1,1-DCE;and vinyl chloride]via EPA Method TO-15.Each air <br /> sample analyzed for PCE via EPA Method TO-15 Selective Ion Monitoring(SIM). <br /> REC= recognized environmental condition <br /> PARTNER <br />