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Exterior Noise Test

Accelerating from Constant Speed

Date : 2008-04-29
Personnel : BS and SC
Temperature (°F) : 52 Humidity (%) : 42
Wind Speed (mph) : 8 Wind Direction : n
Barometric Pressure (in.Hg) : 29.9
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 SC
Initial Sound Level Meter Calibration: false checked by SC
Exterior Ambient Noise Level dB(A): 41.1

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 86.7 1 85.3
2 84.6 2 85.9
3 84.1 3 85.9
4 84.6 4 85.7
5 84.4 5 85.9
Average of two highest actual noise levels = 85.7 dB(A) Average of two highest actual noise levels = 85.9 dB(A)