2009 GAS HYBRID

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Exterior Noise Test

Accelerating from Standstill

Date : 2009-09-03
Personnel : T.W., E.D. & S.C.
Temperature (°F) : 56 Humidity (%) : 95
Wind Speed (mph) : Calm Wind Direction : Calm
Barometric Pressure (in.Hg) : 30.22
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): 42.8

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 72.5 1 73.9
2 71.8 2 73.5
3 71.7 3 72.2
4 70.4 4 71.8
5 71.0 5 72.0
Average of two highest actual noise levels = 72.2 dB(A) Average of two highest actual noise levels = 73.7 dB(A)