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Exterior Noise Test

Accelerating from Standstill

Date : 2008-07-30
Personnel : B.S., T.S. & S.C.
Temperature (°F) : 85 Humidity (%) : 50
Wind Speed (mph) : 5 Wind Direction : S
Barometric Pressure (in.Hg) : 29.84
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): 40.0

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 77.3 1 80.8
2 78.9 2 81.4
3 79.4 3 79.5
4 78.8 4 80.8
5 79.2 5 80.9
Average of two highest actual noise levels = 79.3 dB(A) Average of two highest actual noise levels = 81.2 dB(A)