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Exterior Noise Test

Accelerating from Standstill

Date : 2009-11-22
Personnel : B.S., B.L. & S.C.
Temperature (°F) : 64 Humidity (%) : 61
Wind Speed (mph) : 5 Wind Direction : SW
Barometric Pressure (in.Hg) : 30.03
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): 42.5

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 69.6 1 70.5
2 69.1 2 69.3
3 69.4 3 69.7
4 69.3 4 70.1
5 68.7 5 69.9
Average of two highest actual noise levels = 69.5 dB(A) Average of two highest actual noise levels = 70.3 dB(A)