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Appendix J <br />Noise Levels (dB (A)) for Common Indoor and Outdoor Sounds <br />Outdoor Sounds dB(A) Indoor Sounds <br />-F 110 Rock Band <br />Large, passenger jet landing 370 feet <br />away <br />Large, passenger jet taking off 1000 100 <br />feet away inside subway train (NYC) <br />Gas lawn mower, 3 feet away <br />90 <br />Diesel truck 50 feet away Food blender 3 feet away <br />Noisy urban area (day) 80 Garbage disposal 3 feet away <br />Shouting - 3 feet away <br />747 taking off 1000 feet away 70 Vacuum cleaner 10 feet away <br />Commercial area Normal speech 3 feet away <br />W <br />Large business office <br />Quiet urban area (day) - - 50 Dishwasher, next room <br />Quiet urban area (night) <br />Quiet suburban area (night) <br />Quiet rural area (night) <br />40 Small theatre /Large conference <br />room (background) <br />Library <br />30 <br />20 <br />Bedroom at night <br />Concert hall (background) <br />Broadcast and Recording Studio <br />10 <br />Threshold of hearing <br />0 <br />