BSGP 25' S09101

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Exterior Noise Test

Accelerating from Standstill

Date : 1997-02-20
Personnel : B.L., S.C., D.F., and R.H.
Temperature (°F) : 37 Humidity (%) : 72
Wind Speed (mph) : 4 Wind Direction : s
Barometric Pressure (in.Hg) : 30.35
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.
Initial Sound Level Meter Calibration: true checked by R.L.
Exterior Ambient Noise Level dB(A): 39.4

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 68.3 1 67.9
2 68.1 2 68.3
3 68.9 3 69.5
4 68.0 4 68.1
5 68.3 5 68.1
Average of two highest actual noise levels = 68.6 dB(A) Average of two highest actual noise levels = 68.9 dB(A)