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NOISE COMMON INDOOR COMMON OUTDOOR <br /> PUBLIC REACTION LEVEL NOISE LEVELS NOISE LEVELS <br /> (dBA, Lep) <br /> 110 — Rock Band ---------------------- <br /> Jet Flyover at 1000 Ft. <br /> 100 --------------- — —_— <br /> Inside Subway Train(New York) <br /> LOCAL COMMITTEE ACTIVITY WITH 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 /> Twice As <br /> 80 — Garbage Disposal at 3 Ft. —————— Noisy Urban Daytime <br /> Loud <br /> COMPLAINTS LIKELY Shouting at 3 Ft. <br /> Vacuum Cleaner at 10 Ft. Gas Lawn Mower at 100 Ft. <br /> REFERENCE TO ------------------ <br /> COMPLAINTS POSSIBLE Commercial Area <br /> 1/2 As Loud ——— Heavy Traffic at 300 Ft.— <br /> COMPLAINTS RARE 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 /> 0 ——————————————————————————— <br /> RMC Pacific Vernalis Quarry.203015 <br /> SOURCE:CalTrans Transportation Laboratory Noise Manual,1962 Figure 4.5-1 <br /> Effect of Noise on People <br /> I I I I I I l I t I I I I I I I I I I <br />