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Appendix A. In accordance with state and local regulations, the SCS report has been submitted to the SJVAPCD to obtain the necessary permits for the LFGTE Facility. The Authority to Construct Permit Application, prepared by SCS, finds that the air quality impacts from the proposed LFGTE facility are below CEQA levels for Carbon Monoxide, NOx, and other minority pollutants in the LFGTE exhausts. The LFGTE facility will have emissions controls on the engine exhaust installed in order to meet SJVAPCD stringent emission standards for NOx and other priority pollutants. As shown in Ameresco Forward LLC: Emission Comparison between Energy Plant vs. Republic Flare dated May 22, 2011, the LFGTE facility NOx emissions levels will be less than currently permitted for the existing landfill flare. Further, the greenhouse gas emissions were found to be insignificant and result in a net reduction of 13,888 metric tons per year of carbon dioxide equivalent (CO2e) by displacing fossil fueled utility emissions. The SCS Application and Addendum and additional GHG documentation are included in Appendix A. 4.6 Noise To address potential noise impacts from the LFGTE Facility on nearby receptors, a noise study was prepared by Channel Island Acoustics in May 2011 (see Appendix B). A series of noise measurements were taken at Forward Landfill to assess the ambient noise. Project noise was evaluated by taking measurements at a similar Ameresco LFGTE facility located at the Keller Canyon Landfill. The projected noise levels were modeled using the SoundPlan 7.0 program. The study found that the projected noise levels at occupied residences near Forward Landfill are well below the San Joaquin County 45 decibel (dB) nighttime criterion. In addition, acoustic enclosures and high efficiency exhaust silencers as recommended in the study to the project to reduce noise levels. 4.7 Utilities The LFGTE facility will use tanks and outhouse facilities to fulfill water and sanitation needs. Water will be obtained from existing wells at the Forward Landfill. Bottled water will be supplied for drinking purposes. Fire water will be stored onsite in a 5000 gallon water tank. An outside company will be contracted to service the outdoor sanitation facilities as described in Section 2.4. Power will be supplied by connecting to the existing adjacent PG&E power line. The LFGTE facility is not anticipated to generate a large quantity waste, and any waste that is generated will be disposed at Forward Landfill or other acceptable facilities. 4.8 Hydrology and Water Quality Surface water at Forward Landfill is managed in accordance with the federal, state, and local requirements. The system of drainage, erosion, and sediment control measures consists of- temporary ftemporary and permanent ditches, swales and culverts, straw bales, temporary seeding of exposed areas, and two sediment ponds. As constructed, run-off from the developed areas is C:Documans artd Settingsyessicasees\Desktofforward LFGTE-Pmject Descrtpeondoc CORNERSTONE4-3 c.<.P.cce LEWIS ENGINEERING e. c...®...e