45CLFW-CNG

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Exterior Noise Test

Accelerating from Standstill

Date : 2003-07-21
Personnel : S.C., T.S., & D.W.
Temperature (°F) : 78 Humidity (%) : 68
Wind Speed (mph) : 5 Wind Direction : SW
Barometric Pressure (in.Hg) : 29.8
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): 45.2

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 75.7 1 76.6
2 76.8 2 76.5
3 74.2 3 76.7
4 74.8 4 76.8
5 77.9 5 76.7
Average of two highest actual noise levels = 77.4 dB(A) Average of two highest actual noise levels = 76.8 dB(A)