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Exterior Noise Test

Accelerating from Standstill

Date : 2013-04-23
Personnel : S.R., T.S. & J.S.
Temperature (°F) : 51 Humidity (%) : 55
Wind Speed (mph) : 4 Wind Direction : SE
Barometric Pressure (in.Hg) : 28.93
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 T.S.
Initial Sound Level Meter Calibration: true checked by T.S.
Exterior Ambient Noise Level dB(A): 41.6

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 75.0 1 76.4
2 74.7 2 76.7
3 75.2 3 76.3
4 74.5 4 76.3
5 74.7 5 76.1
Average of two highest actual noise levels = 75.1 dB(A) Average of two highest actual noise levels = 76.6 dB(A)