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4 <br /> Two pan lysimeters and sumps (pan lysimeters TS-3 and TS-4 and sumps TS-3 and TS-4) associated with <br />WMU FU-24 are shown on Figure 4 of the enclosed report. Sumps TS-3 and TS-4 were added to the quarterly <br />monitoring program in fourth quarter 2024 and pan lysimeters TS-3 and TS-4 will be added to the quarterly <br />monitoring program in second quarter 2025. These locations should be added to Tables 6 and 25 of the <br />MRP in the next revision. <br /> Four additional groundwater extraction wells CDCR-EW-2 through CDCR-EW-5, as shown on Figure 6 of the <br />enclosed report, were installed on the CDCR property after the issuance of the MRP. These locations will be <br />added to the quarterly monitoring program beginning in second quarter 2025 and should be included in <br />Table 19 of the MRP in the next revision. <br /> Pan lysimeters FU-19E and FU-19W have not been monitored and are not listed in the MRP. Only sumps <br />FU-19E and FU-19W are listed (Table 25), as shown on Figure 4 of the enclosed report. The integrity of these <br />pan lysimeters will be checked in second quarter 2025 and added to the quarterly monitoring program if <br />they are operational. If operational, the locations should be included in Table 6 of the MRP in the next <br />revision. <br />Certification Statement <br />I certify under penalty of law that I have personally examined and am familiar with the information submitted in this <br />document and all attachments, and that based on my inquiry of those individuals immediately responsible for <br />obtaining this information, I believe that the information is true, accurate, and complete. I am aware that there are <br />significant penalties for submitting false information, including the possibility of fine and imprisonment. If you have <br />questions or comments regarding the above information, please contact me at (209) 235-9622. <br /> <br /> <br />Kindest regards, <br /> Osvaldo Cordero <br />Environmental Manager