60 BRT

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Exterior Noise Test

Accelerating from Standstill

Date : 2005-03-09
Personnel : R.C., T.S. and S.C.
Temperature (°F) : 30 Humidity (%) : 47
Wind Speed (mph) : 7 Wind Direction : nw
Barometric Pressure (in.Hg) : 30.07
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): 44.5

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 76.9 1 78.7
2 75.2 2 79.8
3 76.6 3 79.5
4 76.1 4 79.6
5 76.1 5 79.7
Average of two highest actual noise levels = 76.8 dB(A) Average of two highest actual noise levels = 79.8 dB(A)