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Exterior Noise Test

Accelerating from Constant Speed

Date : 1998-03-17
Personnel : B.L., & R.H.
Temperature (°F) : 60 Humidity (%) : 36
Wind Speed (mph) : 8 Wind Direction : W
Barometric Pressure (in.Hg) : 29.88
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): 42.9

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 73.2 1 73.1
2 73.2 2 73.2
3 73.4 3 73.2
4 73.8 4 73.4
5 72.8 5 73.4
Average of two highest actual noise levels = 73.6 dB(A) Average of two highest actual noise levels = 73.4 dB(A)