40C LFW CNG

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2000-06-12
Personnel : S.C., E.D. and R.H.
Temperature (°F) : 76 Humidity (%) : 83
Wind Speed (mph) : 7-9 Wind Direction : W
Barometric Pressure (in.Hg) : 30.13
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): 51.0

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 75.3 1 77.8
2 75.7 2 76.3
3 75.3 3 77.3
4 75.1 4 77.3
5 74.5 5 78.0
Average of two highest actual noise levels = 75.5 dB(A) Average of two highest actual noise levels = 77.9 dB(A)