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Exterior Noise Test

Accelerating from Constant Speed

Date : 2000-10-20
Personnel : S.C., E.D. & P.M.
Temperature (°F) : 47 Humidity (%) : 70
Wind Speed (mph) : Wind Direction : Calm
Barometric Pressure (in.Hg) : 30.3
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): 50.7

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 76.9 1 79.3
2 77.2 2 79.4
3 77.5 3 79.4
4 77.5 4 79.3
5 77.3 5 79.2
Average of two highest actual noise levels = 77.5 dB(A) Average of two highest actual noise levels = 79.4 dB(A)