SOM23G

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Exterior Noise Test

Accelerating from Standstill

Date : 2008-12-15
Personnel : T.S., E.D. & B.S.
Temperature (°F) : 49 Humidity (%) : 81
Wind Speed (mph) : 11 Wind Direction : SSW
Barometric Pressure (in.Hg) : 30.17
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): 46.4

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 73.0 1 73.7
2 72.2 2 73.7
3 71.8 3 73.5
4 71.9 4 73.5
5 73.0 5 74.2
Average of two highest actual noise levels = 73.0 dB(A) Average of two highest actual noise levels = 74.0 dB(A)