SITE INFORMATION AND CORRESPONDENCE

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' I Filios/Dobler Annexation and Development Project TRACY Environmental Impact Report The nearest school to the Project site is the Art Freller Elementary School (located at 2421 West Lowell Avenue, Tracy, approximately 0.75,mile cast). Also, there are no proposed school sites located within 0.25-mile of the Project site. Thus, as no existing or proposed schools are located within 0.25-mile of the Project site,no impacts would occur in this regard. f • For a project located within an airport land use plan or,where such a plan has not been adopted, within two miles of a public airport or public use airport,would the project result in a safety hazard for people residing or working in the project area For a project within the vicinity of a private airstrip,would the project result in a safety hazard.for • people residing or working in the project area The nearest airport to the Project site is the Tracy Municipal Airport, located approximately 4.25 'Miles southeast. The Project site is not located within an airport land use plan area ., .. rp p or within two miles of an airport or private airstrip. Furthermore, the construction and operation of the proposed Project would not result in airport-related safety hazards for people residing or working-in the area. Therefore, no impacts would result in this regard and no further analysis of this issue is required. POTENTIAL IMPACTS AND MITIGATION MEASURES 4.10-1 SHORT-TERM CONSTRUCTION ACTIVITIES AND LONG-TERM OPERATIONS AT f THE PROJECT SITE MA Y CREATE A SIGNIFICANT HA7.ARD TO THE PUBLIC OR- 4 ENVIRONMENT THR 0 UGH A CCIDENT CONDITIONS INVOLVING THE RELEASE OF HAZARDOUS MATERIALS. Level_of Significance Before Mitigation: Potentially Significant Impact. Impact Analysis: One of the.means through which human exposure to a hazardous substance could p occur is through accidental release. Incidents that result in an accidental release.of a hazardous substance into the environment can cause contamination of soil, surface water and groundwater, in addition to any toxic fumes that might be generated. Human exposure of contaminated soil or water can have potential health ' effects based on a variety'of factors, such as the nature of the contaminant and the degree of exposure. Site disturbance/construction activities associated with development of the Project site could release hazardous materials into the environment through reasonably foreseeable upset_ and accident conditions. i Also, hazardous materials releases could occur during,Project operations that could expose'persons to hazardous materials. Structural Demolition The Project site consists of three residential structures, four shed structures (including a garage structure), and two barn structures. All of the,-,existing onsite structures would need to be demolished prior to construction of new buildings. Demolition of structures could expose construction personnel and the j public to hazardous materials such as asbestos-containing materials (ACMs) or lead-based paints (LBPs). Given the age of the buildings within the Project site (the majority of which were constructed before 1978), it is likely that these buildings could contain LBPs, ACMs and/or other contaminants- As a result, construction workers c and the public could be exposed. Federal .and state regulations govern the I z renovation and demolition of structures where ACMs and LBPs are present. All demolition that could i Draft*June 2011 4.10-11 Hazards and Hazardous Materials II