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Exterior Noise Test

Accelerating from Constant Speed

Date : 1996-05-14
Personnel : B.L., S.C., & R.H.
Temperature (°F) : 60 Humidity (%) : 48
Wind Speed (mph) : 5 Wind Direction : NE
Barometric Pressure (in.Hg) : 30.14
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): 47.5

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 86.7 1 79.4
2 84.9 2 81.8
3 85.5 3 81.7
4 87.0 4 80.3
5 87.8 5 79.9
Average of two highest actual noise levels = 87.4 dB(A) Average of two highest actual noise levels = 81.8 dB(A)