LFS-TC4010 2N

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Exterior Noise Test

Accelerating from Constant Speed

Date : 1997-03-10
Personnel : B.L., S.C., D.F., & B.B.
Temperature (°F) : 34 Humidity (%) : 75
Wind Speed (mph) : 8 Wind Direction : NW
Barometric Pressure (in.Hg) : 30.0
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): 42.0

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 77.3 1 82.8
2 77.6 2 82.7
3 77.5 3 82.4
4 77.9 4 82.6
5 77.1 5 82.6
Average of two highest actual noise levels = 77.8 dB(A) Average of two highest actual noise levels = 82.8 dB(A)