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<br />Meadowlark Development - Austin Property - Environmental Checklist <br /> <br />Standards of Significance <br /> <br />For purposes of this environmental document, an impact is considered significant if the proposed project <br />would: <br /> <br /> . Result in exterior noise lcvels above the acceptable level of 60 dBA; <br /> . Result in interior noise levels exceeding 45 dBA; <br /> . Result in construction noise levels that do no meet the City of Pleasant on Noise Ordinance, <br /> Less Than <br /> Potentially Significant Less Than <br /> Significant With Mitigation Significant No <br />Issues Impact Incorporated Impact Impact <br />Noise <br />Would the project: <br />a) Exposure of persons to or generation of noise levels in [=.1 D W D <br /> excess of standards established in the local general <br /> plan or noise ordinance, or applicable standards of <br /> other agencies? <br />b) Exposure of persons to or generation of excessivc D D [K] D <br /> ground borne vibration or ground borne noisc levels? <br />c) A substantial permanent increase in ambient noise lev- D D [K] D <br /> els in the project vicinity abovc levels existing without <br /> the project? <br />d) A substantial temporary or periodic increase in ambi- D D [K] D <br /> ent noise levels in the project vicinity above levels ex- <br /> isting without the project? <br />e) For a project located within an airport land use plan or, D D W D <br /> where such a plan has not been adopted, within two <br /> miles of a public airport or public usc airport, would <br /> thc project expose people residing or working in thc <br /> project area to exccssivc noise levels? <br />t) For a project within the vicinity of a private airstrip, D D W D <br /> would the project exposc people rcsiding or working in <br /> the project area to exccssive noise levels? <br />Discussion <br /> <br />a-c) The noisc emanating from the new single-family homes is expected to fall within the acceptable <br />levels identified in the City's noise ordinance, Therefore, this would be a less-than-significant- <br />impact. <br /> <br />POP A-ll/PUD-58/PTR-7813 <br /> <br />Page 28 of 36 <br /> <br />July 19.2006 <br />