DE40LF

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2009-06-09
Personnel : B.S., T.S. & S.C.
Temperature (°F) : 77 Humidity (%) : 65
Wind Speed (mph) : 6 Wind Direction : W
Barometric Pressure (in.Hg) : 30.02
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): 50.8

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 70.4 1 71.0
2 70.3 2 70.8
3 70.5 3 70.5
4 70.3 4 70.9
5 70.4 5 71.0
Average of two highest actual noise levels = 70.5 dB(A) Average of two highest actual noise levels = 71.0 dB(A)