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Ms. Christina Carbajal <br /> May 22, 2006 <br /> Page 4 <br /> Also, on April 4, 11 and 25, 2006, SCS continued monitoring/adjustment to, recently installed by <br /> others, LFG Extraction Well Nos. FOFU-0304- Well, FOFU-04-06 through FOFU-04-12, FOFU- <br /> HCOI, FOFU-04-LCR, FOFU-05-06 and FOFU-05HC1 in attempts to help decrease the observed <br /> elevated methane gas concentrations detected at GP-11 and GP-12 as directed by the client. SCS <br /> will continue to adjust wells as directed by Allied personnel. <br /> Finally, during this reporting period, temperatures at LFG extraction wells were monitored and <br /> observed to range from 49 to 92 degrees Fahrenheit(see Table 2). These temperatures are <br /> considered to be in the low to normal range for anaerobic decomposition. SCS will continue to <br /> test LFG temperatures at each extraction well on a monthly basis in order to develop a database. <br /> This additional information should provide a better understanding of subsurface conditions at the <br /> site. <br /> LFG Collection System <br /> Visual observation of the LFG collection system is conducted twice per month. During these <br /> visits, observations are made to ensure no pipe breakages have occurred and condensate drain <br /> sumps remain functional. Minor repairs are completed as required. <br /> On April 4, 11, 21 and 25, 2006, SCS performed monitoring of all accessible LFG condensate <br /> sumps defined as ARTP-1 through 7 and FOTP-8 through 19 and recorded the liquid level control <br /> pump cycle counters (see Table 3). <br /> In addition, during pervious reporting periods, SCS observed and repaired several slight air supply <br /> and/or liquid leaks at several LFG condensate sumps. As requested by the Client, SCS has <br /> prepared a proposal dated August 5, 2004, and recommends that the existing air and <br /> condensate connections be modified to decrease the potential for future separations/air leaks. <br /> Finally, SCS routinely conducts a pressure drop survey(i.e., measurement of main pipeline <br /> pressure at various points throughout the LFG collection system). The results of this survey <br /> indicated that no major restrictions within the LFG collection system currently exist and all <br /> accessible extraction wells are receiving adequate vacuum. <br /> LFG Blower/Flare Station (BFS) <br /> Visual observations and testing of the LFG BFS was conducted on April 1, 4, 8, 11, 21 and 27, <br /> 2006. During these visits, operating parameters are monitored and mechanical and electrical <br /> components are checked for workability. Throughout the reporting period, the BFS was set to <br /> operate continuously. BFS data is shown in Table 4. <br />