C40LF

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Exterior Noise Test

Accelerating from Standstill

Date : 2004-06-02
Personnel : R.C., T.S., & S.C.
Temperature (°F) : 70 Humidity (%) : 60
Wind Speed (mph) : 10 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 S.C.
Initial Sound Level Meter Calibration: true checked by S.C.
Exterior Ambient Noise Level dB(A): 47.9

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 73.8 1 75.9
2 74.8 2 75.7
3 74.2 3 75.6
4 73.9 4 75.6
5 74.6 5 75.8
Average of two highest actual noise levels = 74.7 dB(A) Average of two highest actual noise levels = 75.9 dB(A)