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Limited Site Investigation (LSI): Proposal Detail <br />Sandhu Property Tracy, California <br />October 15, 2021 Terracon Proposal No. PNA217074 <br />Responsive Resourceful Reliable 1 <br />Table 1 – Sampling and Analytical Program <br />Sandhu Property <br />South Central Parkway <br />Tracy, San Joaquin County, California <br />Terracon Proposal No. PNA217074 <br />Type and <br />Designation1 <br />Purpose <br />Site Concern <br />Advancement <br />Method <br />Estimated <br />Depth (ft)2 <br />No. of Soil <br />Analytical <br />Samples3 <br />Soil Analytical4 QC <br />Samples5 <br />B1 <br />Historical on-site <br />agricultural <br />operations <br />Hand Auger or <br />Direct Push 1 1 OCPs, CHs and <br />Arsenic <br />See notes <br />B2 Hand Auger or <br />Direct Push 1 1 OCPs, CHs and <br />Arsenic <br />B3 Hand Auger or <br />Direct Push 1 1 OCPs, CHs and <br />Arsenic <br />B4 Hand Auger or <br />Direct Push 1 1 OCPs, CHs and <br />Arsenic <br />B5 Hand Auger or <br />Direct Push 1 1 OCPs, CHs and <br />Arsenic <br />B6 Hand Auger or <br />Direct Push 1 1 OCPs, CHs and <br />Arsenic <br />B7 Hand Auger or <br />Direct Push 1 1 OCPs, CHs and <br />Arsenic <br />B8 Hand Auger or <br />Direct Push 1 1 OCPs, CHs and <br />Arsenic <br />B9 Hand Auger or <br />Direct Push 1 1 OCPs, CHs and <br />Arsenic <br />B10 <br />Pipeline spill to the <br />east <br />Direct Push 20 3 <br />OCPs, CHs and <br />Arsenic at 0.5-feet bgs, <br />and 2 additional <br />samples for TPH-CC <br />and VOCs <br />B11 Direct Push 20 3 <br />OCPs, CHs and <br />Arsenic at 0.5-feet bgs, <br />and 2 additional <br />samples for TPH-CC <br />and VOCs <br />B12 Direct Push 20 3 <br />OCPs, CHs and <br />Arsenic at 0.5-feet bgs, <br />and 2 additional <br />samples for TPH-CC <br />and VOCs <br />Notes: