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Exterior Noise Test

Accelerating from Constant Speed

Date : 2001-07-10
Personnel : S.C., B.S., and M.H
Temperature (°F) : 82 Humidity (%) : 54
Wind Speed (mph) : 5 Wind Direction : WNW
Barometric Pressure (in.Hg) : 29.75
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 S.C.
Initial Sound Level Meter Calibration: false checked by S.C.
Exterior Ambient Noise Level dB(A): 54.2

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 78.6 1 78.9
2 75.6 2 79.2
3 74.5 3 79.4
4 75.2 4 79.5
5 75.2 5 79.6
Average of two highest actual noise levels = 77.1 dB(A) Average of two highest actual noise levels = 79.6 dB(A)