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Draft Supplemental Environmental Impact Report Page VIII-72 Forward Inc.Landfill 2018 Expansion Project information on the final grades of the proposed landfill expansion, including latitudes, longitudes, and elevations.The FAA conducted an aeronautical study by inputting this topographic information into its airspace models and assessing distances from the airport runways and potential impacts on obstruction standards.In addition,Lewis Engineering, engineers working for Forward,Inc., submitted a September 26,2017 letter to the FAA (attached)further discussing the 10,000-foot separation. Based on a review of these submissions and their own analyses,the FAA issued a Determination of No Hazard for the proposed landfill expansion on October 12,2017, consisting of seven letters stating that the various portions of the proposed project would"not exceed obstruction standards and would not be a hazard to air navigation", as noted on page IV.A-12 of the DSEIR. The analyses discussed above,upon which the conclusions in the DSEIR are based,used accurate measurements of the distance from the airport runway to the proposed project. These analyses were not dependent on Figure III.0-5,which is presented for the convenience of the reader.Figure III.0-5 is not determinative of the distance between the airport runway and the proposed project. The letter from the San Joaquin Council of Governments (SJCOG-acting as the Airport Land Use Commission) quoted in the comment does not state that the proposed project is less than 10,000 feet from the airport runway, or present any evidence of inconsistency of the proposed project with FAA Advisory Circular 150/5200-33B. Rather,the SJCOG letter states "Specifically, all expansions of landfill operations are located more than 10,000 feet from the AOA." As discussed above, an accurate measurement of the distance between the airport runway and the proposed project,which does not depend on Figure III.0-5, was used to determine that the project would not conflict with airport operations. As discussed on pages IV.A-24 through IV.A-28 of the DSEIR,implementation of measures that are proposed as part of the project, along with Mitigation Measure A.4,would reduce bird hazard impacts to a less-than-significant level. For these reasons, the distance between the airport runway and the proposed project has already been measured with sufficient accuracy to determine the environmental effects of the project, and further measurement is not necessary. The DSEIR evaluates land use impacts,including compatibility with nearby land uses, at a level of detail that is sufficient to allow decision-makers to make informed decisions about the environmental impacts of the project(see Section IV.A of the Draft SEIR). Additional analysis is not required. In June 2018, subsequent to the analyses and the FAA No Hazard Determination discussed above, an update to the Stockton Airport Layout Plan was prepared 3 (See Comments and Response Attachment 3.)Sheets 3 and 4 of the updated Airport Layout Plan show existing and future airport layouts, respectively. As shown on Sheet 4, 3 RS&H,Airport Layout Plan for Stockton Metropolitan Airport,Stockton,CA,June 2018.