SLF 230

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Exterior Noise Test

Accelerating from Constant Speed

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: false checked by B.L.
Exterior Ambient Noise Level dB(A): 47.4

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 74.8 1 75.2
2 75.9 2 73.7
3 76.0 3 75.4
4 75.3 4 75.6
5 76.0 5 75.6
Average of two highest actual noise levels = 76.0 dB(A) Average of two highest actual noise levels = 75.6 dB(A)