D40 LF

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Exterior Noise Test

Accelerating from Constant Speed

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: false checked by B.L.
Exterior Ambient Noise Level dB(A): 48.5

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 79.5 1 79.4
2 79.8 2 78.8
3 79.6 3 78.5
4 80.1 4 78.8
5 79.5 5 78.6
Average of two highest actual noise levels = 79.9 dB(A) Average of two highest actual noise levels = 79.1 dB(A)