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SCS ENGINEERS Environmental Consultants & Contractors <br /> October 24, 2023 <br /> File No. 01221044.08, Task 5 <br /> Ms. Natalia Subbotnikova, REHS <br /> Senior Registered Environmental Health Specialist <br /> San Joaquin County Environmental Health Department <br /> 600E. Main Street <br /> Stockton, CA 95202 <br /> (209) 468-0338 <br /> Re: Work Plan for Landfill Gas Collection and Control System Improvements <br /> Forward Landfill, Manteca, California <br /> (SWIS Facility Number 39-AA-0015) <br /> Dear Natalia, <br /> SCS Engineers (SCS), on behalf of Forward Landfill Inc., a subsidiary of Republic Services (Republic), <br /> owner and operator of the Forward Landfill (Landfill), has prepared this Work Plan for Landfill Gas <br /> (LFG) Collection and Control System (GCCS) Improvements (Work Plan) at the Forward Landfill in <br /> Manteca, California. <br /> BACKGROUND <br /> Forward Landfill is located at 9999 South Austin Road, Manteca, San Joaquin County, California. <br /> Landfill operations began in 1954, and the landfill was formerly known as the Austin Road Landfill. <br /> The Austin Road Landfill was purchased by Forward, expanded, and renamed the Forward Landfill. <br /> The Austin Road Landfill, now referred to as the Austin Road Unit, is the northern unit of the landfill. <br /> Forward is proposing to improve its current GCCS with the installation of vertical LFG extraction wells. <br /> The expansion of the GCCS will improve recovery and destruction of LFG within the waste units <br /> through the installation of 7 proposed vertical LFG extraction wells, as shown in the attached <br /> construction drawings prepared by SCS Engineers. <br /> PROPOSED SYSTEM IMPROVEMENTS <br /> Construction will include the installation of 7 proposed vertical LFG extraction wells and installation <br /> of new lateral piping. Proposed improvements are shown on Sheets 4 and 5 of the attached design <br /> drawings. <br /> The proposed vertical LFG extraction wells will be installed in waste and will extract LFG from within <br /> the waste units. All proposed wells will be connected either to new or existing piping on-site and will <br /> route the collected LFG to the existing flare station and/or LFG-to-energy facility. <br /> PROPOSED CONNECTION DETAILS <br /> Construction of the proposed extraction wells with typical well completion details are provided on <br /> Sheets DS2 through DS6. <br /> 4683 Chabot Drive, #200, Pleasanton, CA 94588 1 925-426-0080 <br />