Midi

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Exterior Noise Test

Accelerating from Standstill

Date : 1998-08-14
Personnel : B.L. and R.H.
Temperature (°F) : 75 Humidity (%) : 70
Wind Speed (mph) : 7 Wind Direction : SW
Barometric Pressure (in.Hg) : 30.09
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 R.L.L.
Initial Sound Level Meter Calibration: true checked by R.L.L.
Exterior Ambient Noise Level dB(A): 45.1

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 68.3 1 70.5
2 68.5 2 70.5
3 68.6 3 70.9
4 68.8 4 70.4
5 69.1 5 71.2
Average of two highest actual noise levels = 68.9 dB(A) Average of two highest actual noise levels = 71.1 dB(A)