CMD-55

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Exterior Noise Test

Accelerating from Standstill

Date : 2003-09-04
Personnel : B.S. and S.C.
Temperature (°F) : 77 Humidity (%) : 62
Wind Speed (mph) : 7 Wind Direction : sw
Barometric Pressure (in.Hg) : 29.85
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): 42.8

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 70.9 1 73.1
2 71.2 2 72.8
3 71.3 3 72.9
4 70.8 4 72.8
5 71.1 5 73.0
Average of two highest actual noise levels = 71.3 dB(A) Average of two highest actual noise levels = 73.1 dB(A)