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Exterior Noise Test

Accelerating from Constant Speed

Date : 2003-10-08
Personnel : R.C., T.S. and S.C.
Temperature (°F) : 61 Humidity (%) : 70
Wind Speed (mph) : calm Wind Direction : calm
Barometric Pressure (in.Hg) : 30.12
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): 54.3

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 73.8 1 75.6
2 74.4 2 77.3
3 74.4 3 76.3
4 74.4 4 75.5
5 74.0 5 75.8
Average of two highest actual noise levels = 74.4 dB(A) Average of two highest actual noise levels = 76.8 dB(A)