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NOISE COMMON INDOOR COMMON OUTDOOR <br /> PUBLIC REACTION LEVEL NOISE LEVELS NOISE LEVELS <br /> (dBA, Leq) <br /> 110 — Rock Band-----------------Jet Flyover at 1000 Ft. <br /> 100 ———————————————————————————- <br /> LInside Subway Train(New York) <br /> LOCAL COMMITTEE ACTIVITY WITH <br /> Gas Lawn Mower at 3 Ft. <br /> INFLUENTIAL OR LEGAL ACTION <br /> 4 Times As Loud 90 ———————————————————————————- <br /> LETTERS OF PROTEST Food Blender at 3 Ft. Diesel Truck at 50 Ft. <br /> Garbage Disposal at 3 Ft. Noisy Urban Daytime <br /> Twice As l_ouDd ----)0- 80 ------------—-- <br /> COMPLAINTS LIKELY Shouting at 3 Ft. <br /> Vacuum Cleaner at 10 Ft. Gas Lawn Mower at 100 Ft. <br /> IREFERENCE 70 ———————————————————————————- <br /> COMPLAINTS POSSIBLE Commercial Area <br /> 1/2 As Loud 60 ————————————————Heavy Traff ic at 300 Ft. <br /> COMPLAINTS RARE <br /> Large Business Office <br /> 1/4 As Loud 50 Dishwasher Next Room ——————- Quiet Urban Daytime ————— <br /> ACCEPTANCE <br /> 40 --Small Theater,Large ————————Quiet Urban Nighttime——- <br /> Conference Room(Background) <br /> Library Quiet Suburban Nighttime <br /> 30 ———————————————————————————- <br /> Concert Hall(Background) Quiet Rural Nighttime <br /> 20 ———————————————————————————- <br /> Broadcast and Recording Studio <br /> 10 ———————————————————————————- <br /> Threshold of Hearing <br /> ji 0 ———————————————————————————- <br /> Stockton Scavengers/990190 N <br /> SOURCE: Caltrans Transportation Laboratory Noise Manual,1982;and <br /> Modification by Environmental Science Associates Figure IIID-1 <br /> Effects of Noise on People <br />