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Exterior Noise Test

Accelerating from Standstill

Date : 1997-02-07
Personnel : R.L., S.C., & R.H.
Temperature (°F) : 38 Humidity (%) : 70
Wind Speed (mph) : 7 Wind Direction : W
Barometric Pressure (in.Hg) : 30.31
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.
Initial Sound Level Meter Calibration: true checked by R.L.
Exterior Ambient Noise Level dB(A): 34.9

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 67.9 1 68.4
2 67.8 2 69.3
3 68.1 3 69.1
4 69.7 4 69.3
5 68.4 5 68.7
Average of two highest actual noise levels = 69.1 dB(A) Average of two highest actual noise levels = 69.3 dB(A)