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Phil Martin&Associates, Inc. LEGACY SUNFLOWER I CITY OF SANTA ANA <br />Jet Take Off <br />100ft 140 dBA <br />—130 <br />Firecrackers <br />J i ,20 <br />J' Rock Jackhammer <br />Group 110 soft <br />J 50ft <br />1004 1 1 <br />90 Noisy Workplace <br />1 � v� <br />A erage treet =80 <br />Traffic at 25ft <br />,> 70 <br />Conversational 60 <br />Speech , <br />4 . = Business ' <br />s0 Office <br />40 4 40uiet Living Room <br />=It <br />30 r <br />Bwroom • r 20 <br />Quiet Forest <br />10 <br />Source: &ual S Kfeer 2001 <br />Figure 15 <br />Weighted Sound Levels and Human Response <br />Page 70 <br />