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Exterior Noise Test

Accelerating from Standstill

Date : 1999-06-23
Personnel : B.L., C.S. and R.H.
Temperature (°F) : 78 Humidity (%) : 47
Wind Speed (mph) : 5 Wind Direction : SW
Barometric Pressure (in.Hg) : 30.22
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: true checked by B.L.
Exterior Ambient Noise Level dB(A): 39.2

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 76.0 1 73.9
2 75.2 2 73.2
3 73.5 3 73.4
4 73.4 4 73.2
5 73.6 5 74.6
Average of two highest actual noise levels = 75.6 dB(A) Average of two highest actual noise levels = 74.3 dB(A)