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Mr. Joyesh Chandra <br /> January 23, 2024 <br /> Page 2 <br /> • For probes more than 20 feet deep,turn on sample pump, extract a minimum of one <br /> probe volume, observed and record methane,oxygen, and carboy dioxide gas <br /> concentrations, when readings have stabilized for 30 seconds. <br /> • Close test valve, disconnect sample instruments and secure sample location. <br /> GAS MONITORING WELL TESTING <br /> In accordance with the approved testing schedule,all perimeter GW probes are to be tested at a <br /> minimum, on a quarterly basis. On November 28, 2023, all perimeter gas monitor probes defined as <br /> GW Nos. 1 through 9 were tested. Test results (Table 1) indicated that all GW probes tested exhibited <br /> no methane gas concentrations during the monitoring event. The next required quarterly monitoring <br /> event,first quarter 2024(January through March), is scheduled to be performed before the end of the <br /> month of March 2024. <br /> STANDARD PROVISIONS <br /> This report addresses conditions at the subject site during the test date only. Accordingly, we <br /> assume no responsibility for any changes that may occur subsequent to our monitoring which could <br /> affect the quantity of LFG at the subject site or adjacent properties. <br /> Should you have any questions, do not hesitate to contact Justin Ruhle at(209) 279-4418. <br /> Sincerely, <br /> 'X A4& <br /> Rebecca L. Lucero Justin C. Ruhle <br /> Project Coordinator Project Manager <br /> SCS Field Services SCS Field Services <br /> cc M. Houghton <br /> J.Acevedo <br />