40102

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Exterior Noise Test

Accelerating from Constant Speed

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: false checked by RL
Exterior Ambient Noise Level dB(A): 44.9

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 76.0 1 79.1
2 75.9 2 79.7
3 75.7 3 79.6
4 76.0 4 79.8
5 76.4 5 79.4
Average of two highest actual noise levels = 76.2 dB(A) Average of two highest actual noise levels = 79.8 dB(A)