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PUD-93-02-09M <br />2001 Ruby Hill Boulevard <br />Standards of Significance <br />For purposes of this environmental document, an impact is considered significant if the proposed project <br />would: <br />• Result in the depletion of a mineral resource. <br /> Less Than <br /> Significant <br /> Potentially With Less Than <br /> Significant Mitigation Significant No <br />Issues Impact Incorporated Impact Impact <br />Mineral Resources <br />Would the project: <br />a) Result in the loss of availability of a known ~ ~ ~ XO <br />mineral resource that would be of value to the region <br />and the residents of the state? <br />b) Result in the loss of availability of a locally- ~ ~ ~ X~ <br />important mineral resource recovery site delineated <br />on a local general plan, specific plan or other land <br />use plan? <br />Discussion <br />a-b) The proposed project area is not included or delineated as a Mineral Resource Zone. Mining has <br />not occurred on the project site, and implementation of the project would not affect the availability <br />of any mineral resource. Therefore, this would be categorized as no-impact. <br />11. NOISE <br />Environmental Setting <br />External noise sources that could affect the site include airport noise from the Livermore Airport, or <br />adjacent streets and proximate land uses including the Alameda County Fairgrounds which has a number <br />of events annually. <br />Standards of Significance <br />For purposes of this environmental document, an impact is considered significant if the proposed project <br />would: <br />• Result in exterior noise levels above the acceptable level of 60 dBA, (70 dBA daytime); <br />• Result in interior noise levels exceeding 45dBA.; <br />• Result in construction noise levels that do no meet the City of Pleasanton Noise Ordinance. <br />21 <br />