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Exterior Noise Test

Accelerating from Constant Speed

Date : 2005-04-21
Personnel : R.C., T.S. and S.C.
Temperature (°F) : 59 Humidity (%) : 58
Wind Speed (mph) : 8 Wind Direction : ne
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 S.C.
Initial Sound Level Meter Calibration: false checked by S.C.
Exterior Ambient Noise Level dB(A): 48.5

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 75.3 1 71.6
2 74.6 2 72.4
3 74.0 3 72.2
4 75.5 4 72.9
5 75.7 5 72.6
Average of two highest actual noise levels = 75.6 dB(A) Average of two highest actual noise levels = 72.8 dB(A)