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Exterior Noise Test

Accelerating from Constant Speed

Date : 2008-07-18
Personnel : T.S., B.S., & B.J.
Temperature (°F) : 86 Humidity (%) : 49
Wind Speed (mph) : 8 Wind Direction : WSW
Barometric Pressure (in.Hg) : 30.09
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: false checked by S.C.
Exterior Ambient Noise Level dB(A): 40.1

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 75.2 1 76.2
2 75.3 2 76.3
3 78.3 3 76.1
4 80.4 4 80.5
5 81.5 5 80.3
Average of two highest actual noise levels = 81.0 dB(A) Average of two highest actual noise levels = 80.4 dB(A)