40102

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Exterior Noise Test

Accelerating from Standstill

Date : 1993-01-26
Personnel : B.L. and R.H.
Temperature (°F) : 32 Humidity (%) : 60
Wind Speed (mph) : 8 Wind Direction : sw
Barometric Pressure (in.Hg) : 30.18
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: true checked by RL
Exterior Ambient Noise Level dB(A): 39.5

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 77.2 1 81.6
2 77.8 2 81.1
3 77.7 3 81.5
4 77.0 4 81.8
5 77.1 5 81.4
Average of two highest actual noise levels = 77.8 dB(A) Average of two highest actual noise levels = 81.7 dB(A)