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Administrative Draft Environmental Impact Report Gill Medical Center Project 4.15.3.3 Local San Joaquin County General Plan Public Health and Safety Element The Project site is located in unincorporated San Joaquin County and therefore would potentially affect receptors within the County from onsite and offsite sources.The County Public Health and Safety Element of the General Plan, specifically the Noise Policy, is a comprehensive program for including noise management in the planning process, providing a tool for planners to use in achieving and maintaining land uses that are compatible with existing and future environmental noise levels. The Noise Policy identifies noise-sensitive land uses and noise sources and defines areas of noise impact for the purpose of developing programs to ensure that residents in San Joaquin County, and other noise-sensitive land uses, will be protected from excessive noise intrusion. As development proposals are submitted to the County, each is evaluated with respect to the provisions in the Noise Policy to ensure that noise impacts are reduced through planning and project design. Through implementation of the policies of the Public Health and Safety Element, San Joaquin County seeks to reduce or avoid adverse noise impacts for the purposes of protecting the general health, safety, and welfare of the community. The most basic planning strategy to minimize adverse impacts on new land uses due to noise is to avoid designating certain land uses at locations within the County that would negatively affect noise-sensitive land uses. Uses such as schools, hospitals, child care, senior care, congregate care, churches, and all types of residential use should be located outside of any area anticipated to exceed acceptable noise levels as defined by noise and land use compatibility guidelines, or should be protected from noise through sound attenuation measures such as site and architectural design and sound walls. These guidelines, shown in Table 4.15-5 and Table 4.15-6, identify transportation and non-transportation related noise standards within the County. Table 4.15-5.San Joaquin County Non-Transportation Noise Level Performance Standards for Noise Sensitive Uses at Outdoor Activity Areas',2 Noise Level Descriptor Daytime3(7:00 a.m.—10:00 p.m.) Nighttime3(10:00 p.m.—7:00 a.m.) Hourly Leq dB 50 45 Maximum Level,dB 70 65 Source: County of San Joaquin 2016 Notes: These standards apply to new or existing residential areas affected by new or existing non-transportation sources. 'Where the location of outdoor activity areas is unknown or is not applicable,the noise standard shall be applied at the property line of the receiving land use.When determining the effectiveness of noise mitigation measures,the standards shall be applied on the receiving side of noise barriers or other property line noise mitigation measures. 2Each of the noise level standards specified shall be reduced by 5 dB for impulsive noise,single tone noise,or noise consisting primarily of speech or music. Noise 4.15-13 October 2021