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LSA ASSOCIATES, INC. <br />JULY 2010 <br />INITIAL STUDY/MITIGATED NEGATIVE DECLARATION <br />FIRST STREET BRIDGE REPLACEMENT PROJECT <br />CITY OF SANTA ANA <br />1. No outdoor use area exists at this location. <br />2. No sensitive receptor is located at this location. <br />Highlight indicates that the Future With Project noise level exceeds 65 CNEL. <br />NR = Not required <br />07/25/10 «PADMJ070l\MND\4.0 Environmental Analysis.doc» <br />4-29 <br />With Calibration (CNEL) <br />Sound <br />Barrier <br />No. <br />Modeled <br />Receptor <br />Existing <br />(2007) <br />Without <br />Project <br />(2030) <br />Future <br />With <br />Project <br />(2030) <br />Change <br />from <br />Without <br />Project <br />Requires <br />Abatement <br />NR <br />R-32 <br />53 <br />54 <br />55 <br />2 <br />no <br />NR <br />R-33 <br />66 <br />67 <br />69 <br />2 <br />no <br />NR <br />R-34 <br />64 <br />65 <br />67 <br />2 <br />no <br />NR <br />R-35 <br />67 <br />68 <br />68 <br />1 <br />no <br />NR <br />R-36 <br />63 <br />63 <br />64 <br />1 <br />no <br />NR <br />R-37 <br />71 <br />71 <br />75 <br />3 <br />not <br />NR <br />R-38 <br />60 <br />61 <br />62 <br />1 <br />no <br />NR <br />R-39 <br />49 <br />50 <br />51 <br />1 <br />no <br />NR <br />R-40 <br />68 <br />69 <br />70 <br />1 <br />no <br />1. No outdoor use area exists at this location. <br />2. No sensitive receptor is located at this location. <br />Highlight indicates that the Future With Project noise level exceeds 65 CNEL. <br />NR = Not required <br />07/25/10 «PADMJ070l\MND\4.0 Environmental Analysis.doc» <br />4-29 <br />