GCII 6552

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2005-01-10
Personnel : R.C., T.S. and S.C.
Temperature (°F) : 43 Humidity (%) : 75
Wind Speed (mph) : 10 Wind Direction : nw
Barometric Pressure (in.Hg) : 30.06
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): 45.7

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 75.0 1 75.4
2 77.6 2 76.4
3 76.1 3 76.3
4 76.8 4 75.5
5 76.4 5 76.1
Average of two highest actual noise levels = 77.2 dB(A) Average of two highest actual noise levels = 76.4 dB(A)