C 40 LF

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2003-11-14
Personnel : S.C., T.S. & B.S.
Temperature (°F) : 30 Humidity (%) : 58
Wind Speed (mph) : 6 Wind Direction : W
Barometric Pressure (in.Hg) : 30.09
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): 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 74.0 1 75.5
2 74.1 2 75.4
3 74.5 3 75.3
4 74.4 4 75.5
5 74.5 5 75.5
Average of two highest actual noise levels = 74.5 dB(A) Average of two highest actual noise levels = 75.5 dB(A)