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f Draft Environmental Impact Report Page V-10 Forward Landfill Expansion Noise Under the Reduced Project Alternative, the number of daily project-related truck trips would be the same as currently permitted under the existing conditions. In addition, the lateral expansion under this alternative would be approximately half the size as under k the proposed project and project operations would cease in 2025 instead of 2034,which would reduce noise compared with the project after 2025. Air Quality and Odors The Reduced Project Alternative would generate the same daily air emissions as the Proposed Project until 2025, and the project-related impact on air quality would be less than significant, although the contribution to cumulative air quality degradation would be significant. This alternative would generate less landfill gas than the Proposed Project and less emissions over the life of the landfill. However, if the unmet disposal demand under this alternative were relocated to another landfill, the impact of this alternative on vehicle emissions and landfill gas could be similar to that of the Proposed Project in terms of regional air quality. Health Risks The Reduced Project Alternative would have similar types of health risk as the proposed project, although the duration and magnitude of those risks may vary due to the shorter period that potentially contaminated refuse is imported into the landfill. As with the proposed project, these impacts could be mitigated to a less than significant level. Hydrology and Water Quality The Reduced Project Alternative would have an impact similar to the proposed project on hydrology(drainage controls, etc.). As with the proposed project, these impacts could be mitigated to a less than significant level. Soils and Geology The Reduced Project Alternative would involve landfill construction and operations on a reduced acreage compared with the proposed project and thus would have the reduced geological impacts compared with the proposed project. As with the proposed project, these impacts could be mitigated to a less than significant level. Biological Resources The reduced project alternative would avoid the placement of fill into 3000 linear feet of creek and 1.25 acres of wetlands,thereby also avoiding any potential for take of Chinook salmon, steelhead, giant garter snake, or western pond turtle. Although this alternative would result in the loss of less area of the existing agricultural field, the potential for take of Swainson's hawk, other special-status bird species would be essentially the same as with the proposed project.The potential for effects of increased night lighting and use of rodenticides an migrating birds and nocturnal wildlife resulting from the reduced project alternative would also be comparable to those resulting from the proposed project. Given the ephemeral nature the surface flows, lack of pools and riffles, and limited riparian habitat, the South Branch of the South Pork of Littlejohn's Creek provides