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6. Existing Noise Environment <br />Table 6.3. Long -Term (24-Hour) Noise Level Measurement Results at <br />1008 North King Street, Santa Ana, California (LT-1) <br />Start Time <br />Date <br />Noise Level <br />dBA Leq <br />1 <br />9:00 AM <br />4/17/2018 <br />72 <br />2 <br />10:00 AM <br />4/17/2018 <br />71 <br />3 <br />11:00 AM <br />4/17/2018 <br />71 <br />4 <br />12:00 PM <br />4/17/2018 <br />72 <br />5 <br />1:00 PM <br />4/17/2018 <br />72 <br />6 <br />2:00 PM <br />4/17/2018 <br />72 <br />7 <br />3:00 PM <br />4/17/2018 <br />71 <br />8 <br />4:00 PM <br />4/17/2018 <br />68 <br />9 <br />5:00 PM <br />4/17/2018 <br />66 <br />10 <br />6:00 PM <br />4/17/2018 <br />67 <br />11 <br />7:00 PM <br />4/17/2018 <br />72 <br />12 <br />8:00 PM <br />4/17/2018 <br />71 <br />13 <br />9:00 PM <br />4/17/2018 <br />70 <br />14 <br />10:00 PM <br />4/17/2018 <br />69 <br />15 <br />11:00 PM <br />4/17/2018 <br />68 <br />16 <br />12:00 AM <br />4/18/2018 <br />65 <br />17 <br />1:00 AM <br />4/18/2018 <br />63 <br />18 <br />2:00 AM <br />4/18/2018 <br />62 <br />19 <br />3:00 AM <br />4/18/2018 <br />64 <br />20 <br />4:00 AM <br />4/18/2018 <br />69 <br />21 <br />5:00 AM <br />4/18/2018 <br />72 <br />22 <br />6:00 AM <br />4/18/2018 <br />73 <br />23 <br />7:00 AM <br />4/18/2018 <br />73 <br />24 <br />8:00 AM <br />4/18/2018 <br />73 <br />Source: Compiled by LSA (May 2018). <br />Bold numbers represent the peak traffic noise hour. <br />dBA Leq = equivalent continuous sound level measured in A -weighted decibels <br />75 <br />v <br />a <br />J <br />m 70 <br />a <br />Gl <br />7 <br />G1 <br />65 <br />0 <br />z <br />.X <br />Long -Term 24-Hour Noise Level Measurement <br />LT-1: 1008 North King Street <br />1 <br />a a a a a a a a- a a a a a- a a a a a Q a a a Q a <br />0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 <br />0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 <br />Ql O ci N i 1 N M � u1 l0 r- W M O �--I N c-I N M � M l0 r\ W <br />Time of Day <br />36 Fairview Street Improvements from 9th Street to 16th Street <br />and Bridge Replacement Project Noise Study Report <br />