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Exterior Noise Test

Accelerating from Standstill

Date : 2006-01-04
Personnel : B.S., T.S., & S.C.
Temperature (°F) : 37 Humidity (%) : 93
Wind Speed (mph) : 6 Wind Direction : sse
Barometric Pressure (in.Hg) : 29.91
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: true checked by S.C.
Exterior Ambient Noise Level dB(A): 40.4

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 72.8 1 71.2
2 72.4 2 71.6
3 72.8 3 71.3
4 72.5 4 71.1
5 72.6 5 71.7
Average of two highest actual noise levels = 72.8 dB(A) Average of two highest actual noise levels = 71.7 dB(A)