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Exterior Noise Test

Accelerating from Standstill

Date : 2003-11-18
Personnel : R.C., T.S. and S.C.
Temperature (°F) : 48 Humidity (%) : 81
Wind Speed (mph) : 5 Wind Direction : SE
Barometric Pressure (in.Hg) : 30.24
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 S.C.
Initial Sound Level Meter Calibration: true checked by S.C.
Exterior Ambient Noise Level dB(A): 44.1

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 72.7 1 74.8
2 72.7 2 74.4
3 72.8 3 74.6
4 72.4 4 74.8
5 72.6 5 74.4
Average of two highest actual noise levels = 72.8 dB(A) Average of two highest actual noise levels = 74.8 dB(A)