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Exterior Noise Test

Accelerating from Standstill

Date : 1999-07-08
Personnel : B.L. and R.H.
Temperature (°F) : 82 Humidity (%) : 37
Wind Speed (mph) : 6 Wind Direction : NW
Barometric Pressure (in.Hg) : 30.07
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): 49.9

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 83.7 1 83.9
2 83.3 2 83.7
3 83.4 3 83.2
4 83.6 4 83.4
5 83.1 5 83.6
Average of two highest actual noise levels = 83.7 dB(A) Average of two highest actual noise levels = 83.8 dB(A)