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Draft Supplemental Environmental Impact Report Page III-34 Forward Inc.Landfill 2018 Expansion Project Odor Odor is controlled at the landfill by(1)timely placement of daily, intermediate and final soil cover over the refuse fill; and(2)planting and maintenance of a vegetated cover on completed fill slopes. Air Quality Monitoring Landfill Gas Monitoring Landfill gas monitoring is performed on a quarterly basis at the existing Forward Landfill. Twenty-five landfill-gas probes incorporating 74 sampling points13 are in the compliance monitoring system and are located around the perimeter of the existing landfill and the "Brocchini"parcel to the southwest of the existing landfill site.In 2017,nine additional perimeter ' monitoring probes were installed generating an additional 26 sampling points.These monitoring probes were installed per the Cleanup and Abatement Order from the Central Valley Regional Water Quality Control Board and are not sampled and reported as part of the Title 27 monitoring program. The main office trailer and maintenance yard are also monitored to assess potential gas accumulations at the foundations. EPA Consent Decree On May 2,2012,Forward,the U.S.EPA and the San Joaquin Valley Air Pollution Control District (District)entered into a stipulated consent decree which was approved by the U.S.District Court for the Eastern District of California,under which Forward will modify the operation of its gas collection and control system with respect to extraction well oxygen levels and temperature, complete Phase II of the planned and ongoing improvement of Forward's landfill gas extraction system,apply for a new Title V air permit from the District that would limit oxygen levels in the landfill gas extraction wells,relocate Forward's perimeter gas probes to the boundary line of the expansion area,and provide for other air quality protection measures.On September 2,2014,U.S. ' District Court Magistrate Judge Edmund Brennan issued an order terminating the Consent Decree on the basis that Forward,USEPA and the District all confirmed that Forward had fully complied with all requirements of the Consent Decree. F.PROPOSED PROJECT MODIFICATIONS The proposed physical and operational changes are described below. w Development of Additional Landfill Disposal Cells Within Permitted Landfill Boundary Development of additional landfill cells would increase the disposal footprint from approximately 355 acres to 372 acres. The proposed additional development area includes two areas within the currently permitted landfill boundary as shown on Figure III.0-4;approximately 8.72 acres in the northeast comer of the site and approximately 8.61 acres in the south area. (The western boundary of the footprint of the added cells would in all cases be consistent with applicable law and 13 Each landfill gas probe can contain multiple sampling points.