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Exterior Noise Test

Accelerating from Constant Speed

Date : 1999-11-11
Personnel : S.C. and T.S.
Temperature (°F) : 41 Humidity (%) : 56
Wind Speed (mph) : 9 Wind Direction : ene
Barometric Pressure (in.Hg) : 30.3
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by B.L.
Initial Sound Level Meter Calibration: false checked by B.L.
Exterior Ambient Noise Level dB(A): 36.6

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 74.3 1 75.7
2 74.7 2 75.8
3 74.2 3 76.1
4 75.0 4 76.3
5 74.4 5 76.1
Average of two highest actual noise levels = 74.9 dB(A) Average of two highest actual noise levels = 76.2 dB(A)