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Exterior Noise Test

Accelerating from Constant Speed

Date : 1999-08-25
Personnel : S.C. and C.S.
Temperature (°F) : 72 Humidity (%) : 73
Wind Speed (mph) : 5 Wind Direction : ESE
Barometric Pressure (in.Hg) : 30.09
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): 44.0

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 78.7 1 77.8
2 78.9 2 77.6
3 77.7 3 77.8
4 78.2 4 77.0
5 79.2 5 76.8
Average of two highest actual noise levels = 79.1 dB(A) Average of two highest actual noise levels = 77.8 dB(A)