Orion VII EPA10

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Exterior Noise Test

Accelerating from Standstill

Date : 2010-08-20
Personnel : E.D., B.L., S.C. & C.S.
Temperature (°F) : 78 Humidity (%) : 62
Wind Speed (mph) : 1 Wind Direction : NE
Barometric Pressure (in.Hg) : 30.03
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): 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 64.9 1 65.1
2 64.8 2 64.8
3 64.7 3 64.8
4 64.7 4 65.7
5 64.9 5 65.8
Average of two highest actual noise levels = 64.9 dB(A) Average of two highest actual noise levels = 65.8 dB(A)