Midi

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Exterior Noise Test

Accelerating from Constant Speed

Date : 1998-08-14
Personnel : B.L. and R.H.
Temperature (°F) : 75 Humidity (%) : 70
Wind Speed (mph) : 7 Wind Direction : SW
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 R.L.L.
Initial Sound Level Meter Calibration: false checked by R.L.L.
Exterior Ambient Noise Level dB(A): 43.2

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 75.4 1 74.6
2 75.6 2 75.5
3 74.4 3 74.7
4 74.6 4 74.5
5 75.3 5 75.8
Average of two highest actual noise levels = 75.5 dB(A) Average of two highest actual noise levels = 75.7 dB(A)