DE40LF

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Exterior Noise Test

Accelerating from Standstill

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): 49.8

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 70.1 1 69.3
2 69.7 2 69.2
3 69.2 3 69.4
4 68.8 4 69.2
5 69.1 5 68.7
Average of two highest actual noise levels = 69.9 dB(A) Average of two highest actual noise levels = 69.4 dB(A)