DE40LF

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Exterior Noise Test

Accelerating from Standstill

Date : 2003-04-24
Personnel : B.S., T.S. and S.C.
Temperature (°F) : 39 Humidity (%) : 41
Wind Speed (mph) : 5 Wind Direction : w
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: true checked by S.C.
Exterior Ambient Noise Level dB(A): 46.9

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 75.3
2 74.9 2 75.4
3 74.8 3 75.3
4 74.9 4 75.4
5 74.5 5 74.8
Average of two highest actual noise levels = 75.1 dB(A) Average of two highest actual noise levels = 75.4 dB(A)