VISION

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Exterior Noise Test

Accelerating from Standstill

Date : 2005-07-21
Personnel : G.M., T.S. and S.C.
Temperature (°F) : 80 Humidity (%) : 60
Wind Speed (mph) : calm Wind Direction : calm
Barometric Pressure (in.Hg) : 30.13
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): 41.3

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 63.6 1 62.4
2 63.3 2 61.6
3 62.1 3 60.0
4 63.6 4 59.8
5 61.7 5 59.8
Average of two highest actual noise levels = 63.6 dB(A) Average of two highest actual noise levels = 62.0 dB(A)