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Exterior Noise Test

Accelerating from Standstill

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: true checked by SC
Exterior Ambient Noise Level dB(A): 48.4

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 70.6 1 72.4
2 70.9 2 72.6
3 69.2 3 72.4
4 70.8 4 72.4
5 70.6 5 72.6
Average of two highest actual noise levels = 70.9 dB(A) Average of two highest actual noise levels = 72.6 dB(A)