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Exterior Noise Test

Accelerating from Constant Speed

Date : 2012-01-09
Personnel : M.R., T.S. & B.L.
Temperature (°F) : 37 Humidity (%) : 44
Wind Speed (mph) : 7 Wind Direction : SW
Barometric Pressure (in.Hg) : 30.11
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 T.S.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 42.1

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 70.3 1 71.0
2 70.4 2 71.4
3 70.4 3 71.4
4 71.0 4 71.4
5 70.5 5 71.3
Average of two highest actual noise levels = 70.8 dB(A) Average of two highest actual noise levels = 71.4 dB(A)