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Exterior Noise Test

Accelerating from Constant Speed

Date : 1994-06-21
Personnel : R.L. & R.H.
Temperature (°F) : 80 Humidity (%) : 78
Wind Speed (mph) : 9 Wind Direction : NNE
Barometric Pressure (in.Hg) : 29.89
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.
Initial Sound Level Meter Calibration: false checked by R.L.
Exterior Ambient Noise Level dB(A): 41.8

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 74.9 1 76.2
2 77.5 2 81.2
3 74.9 3 75.8
4 77.3 4 75.4
5 74.7 5 81.6
Average of two highest actual noise levels = 77.4 dB(A) Average of two highest actual noise levels = 81.4 dB(A)