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Exterior Noise Test

Accelerating from Constant Speed

Date : 2003-11-18
Personnel : R.C., T. S. and S.C.
Temperature (°F) : 48 Humidity (%) : 81
Wind Speed (mph) : 5 Wind Direction : SE
Barometric Pressure (in.Hg) : 30.24
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): 43.8

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 71.8 1 73.0
2 72.5 2 74.3
3 72.5 3 74.9
4 72.9 4 74.7
5 72.9 5 74.6
Average of two highest actual noise levels = 72.9 dB(A) Average of two highest actual noise levels = 74.8 dB(A)