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1 Impact 4.3-4 X Compatibility with Adjacent Land Uses All Quarry Excavation Alternatives (1. 2. and.3 The mining, excavation and on-site processing of aggregate materials at the project site would introduce new sources of traffic, dust, and noise into the area. Increased truck traffic on adjacent roadways resulting from the proposed processing facility and general mining practices may generate traffic flow and safety concerns. A detailed discussion of the effects of Alternatives 1, 2, and 3 on adjacent roadways, intersections, roadway and bridge structural sections, and traffic safety is provided in Section 4.4. Construction and operation of the quarry could affect adjacent residences and farming operations by generating dust. "` The generation and settling of excessive fugitive dust could affect the quality of adjacent crops. As indicated in Section 4.5, significant air quality effects related to the generation } of fugitive dust would occur under each of the quarry excavation alternatives (1, 2, and 3). f The location and operation of the proposed facility would introduce a new noise source to the project site. The location of the proposed plant under Alternative 3 (in the southwest corner of the project site) would create a significant and unavoidable noise impact at one of the adjacent residence locations. Refer to Section 4.6 for a detailed discussion of noise impacts and subsequent mitigation. Therefore, implementation of Alternatives 1, 2, and 3 would introduce additional truck traffic to surrounding roadways, add to existing fugitive dust emissions, and introduce a new noise source into the area. These impacts are commonly associated with mining operations, and in part with agricultural operations, which surround the project site. The effect of project-generated dust on adjacent agricultural practices, and the noise impacts associated with Alternative 3, may be incompatible with existing uses and would be considered a potentially significant impact. f, Aiternative_4:__No Project �} Implementation of Alternative 4 No Project would result in the continued use of the project p ( Project) p J site for existing agricultural and residential uses. As a result, 'no new issues of compatibility would result and the impact is considered less-than-significant. Mitigation Measure 4.3-4a (Alternatives 1, 2, and 3) Implementation of the Mitigation Measures set forth is Sections 4.4, 4.5, and 4.6 would reduce the effects of traffic, fugitive-dust, and noise on surrounding residences but not to a less-than-significant level. Level of Significance After Mitigation: While the area surrounding the project site has a land use designation and zoning classification which allows or conditionally allows mining operations such as the Draft Environmental Impact Report 4-34 ER-96-3 i