GCC2202-1292-0

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Exterior Noise Test

Accelerating from Standstill

Date : 1993-07-12
Personnel : B.L., & B.R.
Temperature (°F) : 80 Humidity (%) : 65
Wind Speed (mph) : 7 Wind Direction : NE
Barometric Pressure (in.Hg) : 29.96
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 R.L.L.
Initial Sound Level Meter Calibration: true checked by R.L.L.
Exterior Ambient Noise Level dB(A): 50.0

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 71.2 1 72.6
2 72.6 2 72.1
3 72.0 3 71.6
4 71.2 4 71.7
5 72.0 5 72.4
Average of two highest actual noise levels = 72.3 dB(A) Average of two highest actual noise levels = 72.5 dB(A)