D 60 LF

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2002-07-11
Personnel : E.D., T.S. & B.S.
Temperature (°F) : 65 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: false 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 76.6 1 78.5
2 76.8 2 77.8
3 76.8 3 78.1
4 76.8 4 78.5
5 76.5 5 78.2
Average of two highest actual noise levels = 76.8 dB(A) Average of two highest actual noise levels = 78.5 dB(A)