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Exterior Noise Test

Accelerating from Standstill

Date : 1999-08-25
Personnel : S.C. and C.S.
Temperature (°F) : 72 Humidity (%) : 73
Wind Speed (mph) : 5 Wind Direction : ESE
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 B.L.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 46.1

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 69.3 1 68.1
2 69.1 2 68.0
3 69.5 3 68.1
4 69.5 4 68.0
5 68.9 5 67.7
Average of two highest actual noise levels = 69.5 dB(A) Average of two highest actual noise levels = 68.1 dB(A)