SLF 230

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Exterior Noise Test

Accelerating from Standstill

Date : 2000-11-03
Personnel : S.C., E.D. & P.M.
Temperature (°F) : 53 Humidity (%) : 46
Wind Speed (mph) : Calm Wind Direction : Calm
Barometric Pressure (in.Hg) : 30.15
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 B.L.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 48.1

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 73.1 1 74.3
2 74.3 2 74.4
3 75.0 3 74.0
4 74.7 4 74.4
5 74.2 5 74.2
Average of two highest actual noise levels = 74.9 dB(A) Average of two highest actual noise levels = 74.4 dB(A)