SOM23G

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2008-12-15
Personnel : T.S., E.D. & B.S.
Temperature (°F) : 49 Humidity (%) : 81
Wind Speed (mph) : SSW Wind Direction : 11
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): 46.8

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 73.6 1 74.5
2 72.7 2 73.2
3 72.5 3 73.6
4 72.3 4 74.2
5 73.2 5 74.7
Average of two highest actual noise levels = 73.4 dB(A) Average of two highest actual noise levels = 74.6 dB(A)