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Exterior Noise Test

Accelerating from Constant Speed

Date : 2004-04-20
Personnel : G.M., T.S., S.C.
Temperature (°F) : 55 Humidity (%) : 58
Wind Speed (mph) : calm Wind Direction : calm
Barometric Pressure (in.Hg) : 30.15
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: false checked by S.C.
Exterior Ambient Noise Level dB(A): 45.6

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 68.9 1 70.9
2 67.0 2 69.3
3 67.3 3 69.7
4 68.0 4 69.6
5 68.0 5 69.4
Average of two highest actual noise levels = 68.5 dB(A) Average of two highest actual noise levels = 70.3 dB(A)