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Exterior Noise Test

Accelerating from Constant Speed

Date : 2008-07-10
Personnel : BS, TS and SC
Temperature (°F) : 79 Humidity (%) : 45
Wind Speed (mph) : 9 Wind Direction : nw
Barometric Pressure (in.Hg) : 30.1
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): 48.8

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 67.5 1 66.6
2 67.4 2 67.1
3 67.5 3 67.4
4 67.5 4 67.2
5 67.3 5 67.3
Average of two highest actual noise levels = 67.5 dB(A) Average of two highest actual noise levels = 67.4 dB(A)