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Exterior Noise Test

Accelerating from Constant Speed

Date : 1993-04-14
Personnel : B.L., S.C. and R.H.
Temperature (°F) : 54 Humidity (%) : 70
Wind Speed (mph) : 4 Wind Direction : se
Barometric Pressure (in.Hg) : 29.98
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 RL
Initial Sound Level Meter Calibration: false checked by RL
Exterior Ambient Noise Level dB(A): 46.5

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 90.3 1 85.3
2 90.6 2 86.6
3 90.8 3 86.2
4 90.4 4 86.8
5 89.7 5 87.3
Average of two highest actual noise levels = 90.7 dB(A) Average of two highest actual noise levels = 87.1 dB(A)