D40 LF

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Exterior Noise Test

Accelerating from Standstill

Date : 1995-10-09
Personnel : B.L., S.C., & R.H.
Temperature (°F) : 48 Humidity (%) : 70
Wind Speed (mph) : 1 Wind Direction : SE
Barometric Pressure (in.Hg) : 30.22
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 B.L.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 46.2

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 76.9 1 77.4
2 77.7 2 76.6
3 77.5 3 77.2
4 77.8 4 77.8
5 77.6 5 76.9
Average of two highest actual noise levels = 77.8 dB(A) Average of two highest actual noise levels = 77.6 dB(A)