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through software controls. Mitigation Measure NOISE-1c will require the applicant to test the feasibility of utilizing electric hybrid cranes as an alternative to diesel powered gantry cranes and to incorporate such hybrid cranes into the project's operations if the applicant determines they are operationally and economically feasible. Mitigation Measure NOISE-1d will require that the applicant replace the current single-tone backup alarms used in gantry cranes and other vehicles at the Union Pacific Intermodal Facility with Ambient-Sensitive Self-Adjusting Backup Alarms, which automatically increase or decrease their volume based upon background noise levels to ensure that the tone produced is no louder than necessary. The applicant will also be required to test the safety implications of replacing single-tone backup alarms with less intrusive broadband noise types and determine if such replacement is feasible without compromising yard safety. Implementation of the mitigation measures and incorporation of the mitigation measures as Conditions of Approval will ensure the majority of noise impacts from project operations will be less than significant. However, project-related noise exposure to the residential uses are still expected to be in excess of the maximum 45 dB nighttime noise criterion because one or more of the mitigation measures identified above, namely electric hybrid cranes and/or broadband noise alarms, may not be operationally feasible and could compromise intermodal yard safety. Therefore, the impact is considered to be significant and unavoidable. The project's impact to noise has been identified as a significant and unavoidable impact. Neighborhood Opposition During the scoping of the EIR, numerous letters and telephone calls were received from residents in the vicinity who expressed their concerns regarding the proposed project. The Notice of Preparation was sent to all property owners within the required notification area to solicit their concerns and encourage �. participation in the EIR process. When the Draft EIR was published, all individuals on the notification list were notified of the Draft EIR availability and sent an outline of how to participate in the CEQA process. An administrative hearing was also held to take comments from the public on the Draft EIR. In their letters, the neighbors raised the following issues, which have been addressed in detail in the EIR: traffic, impacts to water, noise, visual impacts, air quality, biological, and loss of agricultural land. Many of the neighbors also stated that the project will have an adverse impact on their property values. San Joaquin County PA-0900184 & 185\Union Pacific Community Development Page 17