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N <br /> MONITORING AND REPORTING PROGRAM ORDERNO. R5-2008-0149-010 <br /> j BARNES TRUCKING FACILITY <br /> SAN JOAQUIN COUNTY <br /> Well Screened Total Well Treatment Well Well Treatment <br /> ID Interval Depth Zone Category Category <br /> IW-4 10-25 25 10-20' Shallow Treatment Zone <br /> IW-5 10-25 25 10-20' Shallow Treatment Zone <br /> IW-6 10-25 25 10-20' Shallow Treatment Zone <br /> IW-7 10-25 25 10-20' Shallow Treatment Zone <br /> IW-8 10-25 25 10-20' Shallow Treatment Zone <br /> IW-9 10-25 25 1 10-20' Shallow Treatment Zone <br /> IW-10 10-25 25 10-20' Shallow Treatment Zone <br /> IW-I 11 10-25 25 10-20' Shallow Treatment Zone <br /> IW-12 10-25 25 10-20' Shallow Transition Zone <br /> PROPOSED PROPOSED PROPOSED PROPOSED PROPOSED PROPOSED <br /> Well Screened Total Well Treatment Well Depth Well <br /> ID Interval* Depth* Zone Category Treatment <br /> Category <br /> MW-9 10-30 30 10-30 Deep Transition <br /> Zone <br /> MW-10 10-30 30 10-30 Dee Transition <br /> Deep Zone <br /> MW-11 10-30 30 10-30 Dee Transition <br /> Deep Zone <br /> MW-12 10-30 10-30 10-30 Dee Compliance <br /> Deep Zone <br /> MW-13 10-30 10-30 10-30 Dee Compliance <br /> Deep Zone <br /> * - Final well depth to be determined in the field based on vertical contaminant distribution. If soil <br /> is impacted to 35 feet, the well will be advanced to 35 feet and set. If soil is unimpacted at 30 feet, <br /> the well will be set at 30 feet. <br /> UpgradientBackground Zone, Treatment Zone, Transition Zone, and Compliance Zone wells are <br /> shown on Figure 4, Figure 5, Figure 6, and Figure 7, respectively. <br /> The groundwater monitoring and reporting program (MRP) for the groundwater monitoring <br /> wells, and any groundwater monitoring wells installed subsequent to the issuance of this MRP, <br /> shall follow the schedule below. Groundwater monitoring wells with free-phase petroleum <br /> product or visible sheen shall be monitored, at a minimum, for product thickness and depth-to- <br /> water (DTW). Sample collection and analysis shall follow standard Environmental Protection <br /> Agency (EPA) protocol. <br /> Currently there are three shallow, upgradient background wells (MW-2, MW-3, and MW-4), <br /> fourteen shallow treatment zone groundwater wells (MW- 1 and MW-6, IW-3 through IW- 11 ), <br /> two existing transition zone shallow wells (IW- 1 and IW-2), three proposed transition zone deep <br /> wells (MW-9, MW- 10, and MW-11 ), two existing compliance zone shallow wells (MW-7 and <br /> MW-8), and two proposed compliance zone deep wells (MW- 12 and MW- 13). <br /> The groundwater monitoring wells shall be sampled according to the schedule in Table 1 and the <br /> samples analyzed by the methods in Table 2, as follows : <br /> Page 4of8 <br />