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Exterior Noise Test

Accelerating from Constant Speed

Date : 2008-07-30
Personnel : B.S., T.S. & S.C.
Temperature (°F) : 85 Humidity (%) : 50
Wind Speed (mph) : 5 Wind Direction : S
Barometric Pressure (in.Hg) : 29.84
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: true checked by S.C.
Exterior Ambient Noise Level dB(A): 41.5

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 77.7 1 77.2
2 79.2 2 77.0
3 78.3 3 78.7
4 79.0 4 78.1
5 79.1 5 77.5
Average of two highest actual noise levels = 79.2 dB(A) Average of two highest actual noise levels = 78.4 dB(A)