Laserfiche WebLink
<br />5 <br /> <br />TABLE 2 Typical Noise Levels in the Environment <br /> <br />Common Outdoor Activities <br /> <br />Noise Level (dBA) <br /> <br />Common Indoor Activities <br /> 110 dBA Rock band <br />Jet fly-over at 1,000 feet <br /> 100 dBA <br />Gas lawn mower at 3 feet <br /> 90 dBA <br />Diesel truck at 50 feet at 50 mph Food blender at 3 feet <br /> 80 dBA Garbage disposal at 3 feet <br />Noisy urban area, daytime <br />Gas lawn mower, 100 feet 70 dBA Vacuum cleaner at 10 feet <br />Commercial area Normal speech at 3 feet <br />Heavy traffic at 300 feet 60 dBA <br /> Large business office <br />Quiet urban daytime 50 dBA Dishwasher in next room <br /> <br />Quiet urban nighttime 40 dBA Theater, large conference room <br />Quiet suburban nighttime <br /> 30 dBA Library <br />Quiet rural nighttime Bedroom at night, concert hall <br />(background) <br /> 20 dBA <br /> Broadcast/recording studio <br /> 10 dBA <br /> <br /> 0 dBA <br />Source: Technical Noise Supplement (TeNS), California Department of Transportation, September 2013. <br /> <br /> <br /> <br /> <br /> <br /> <br />8.A. - Page 121