D 60 LF

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Exterior Noise Test

Accelerating from Standstill

Date : 2002-07-11
Personnel : E.D., T.S. & B.S.
Temperature (°F) : 63 Humidity (%) : 63
Wind Speed (mph) : 3 Wind Direction : ENE
Barometric Pressure (in.Hg) : 30.24
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 E.D.
Initial Sound Level Meter Calibration: true checked by E.D.
Exterior Ambient Noise Level dB(A): 42.5

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 77.1 1 79.2
2 77.4 2 78.9
3 77.1 3 79.4
4 77.1 4 79.0
5 77.5 5 79.1
Average of two highest actual noise levels = 77.5 dB(A) Average of two highest actual noise levels = 79.3 dB(A)