Low Floor

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Exterior Noise Test

Accelerating from Standstill

Date : 2011-09-23
Personnel : B.G., T.S. & B.L.
Temperature (°F) : 68 Humidity (%) : 94
Wind Speed (mph) : Wind Direction :
Barometric Pressure (in.Hg) : 30.06
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): 37.1

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 69.7 1 70.1
2 69.4 2 70.9
3 70.3 3 69.7
4 69.6 4 70.8
5 69.7 5 70.8
Average of two highest actual noise levels = 70.0 dB(A) Average of two highest actual noise levels = 70.9 dB(A)