240 TRANSTECH

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Exterior Noise Test

Accelerating from Standstill

Date : 2005-06-02
Personnel : R.C., D..L. & S.C.
Temperature (°F) : 74 Humidity (%) : 44
Wind Speed (mph) : 8 Wind Direction : SE
Barometric Pressure (in.Hg) : 30.21
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): 46.2

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 69.7 1 71.7
2 70.4 2 71.6
3 70.5 3 72.6
4 70.5 4 71.6
5 70.4 5 71.5
Average of two highest actual noise levels = 70.5 dB(A) Average of two highest actual noise levels = 72.2 dB(A)