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Exterior Noise Test

Accelerating from Constant Speed

Date : 1997-02-07
Personnel : R.L., S.C., R.H.
Temperature (°F) : 38 Humidity (%) : 70
Wind Speed (mph) : 7 Wind Direction : W
Barometric Pressure (in.Hg) : 30.31
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: false checked by R.L.
Exterior Ambient Noise Level dB(A): 34.9

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 73.4 1 73.7
2 73.2 2 73.6
3 73.5 3 73.7
4 73.2 4 73.9
5 73.5 5 73.5
Average of two highest actual noise levels = 73.5 dB(A) Average of two highest actual noise levels = 73.8 dB(A)