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Exterior Noise Test

Accelerating from Standstill

Date : 1999-03-17
Personnel : B.L. & R.H.
Temperature (°F) : 60 Humidity (%) : 36
Wind Speed (mph) : 8 Wind Direction : W
Barometric Pressure (in.Hg) : 29.88
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): 43.7

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 74.2 1 74.1
2 74.0 2 74.5
3 74.5 3 74.6
4 74.1 4 74.4
5 74.4 5 74.4
Average of two highest actual noise levels = 74.5 dB(A) Average of two highest actual noise levels = 74.6 dB(A)