ECOMARK SHUTTLE BUS

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Interior Noise Test Data Form

Test Condition 1: 80 dB(A) Stationary White Noise

Date 1999-08-02
Personnel B.L. & C.S.
Temperature (°F) 75
Humidity (%) 42
Wind Direction Calm
Wind Speed (MPH) 0
Barometric Pressure (in.Hg) 30.1
Initial Sound Level Meter Calibration checked by B.L.
Interior Ambient Noise Level dB(A) 39.1
Exterior Ambient Noise Level dB(A) 55.3
Microphone Height During Testing(in) 45
Measurement Location Measured Sound Level dB(A)
Driver's Seat 54.2
Front Passenger Seats 55.7
In Line with Front Speaker 55.2
In Line with Middle Speaker 57.1
In Line with Rear Speaker 56.2
Rear Passenger Seats 55.3
Final Sound Level Meter Calibration checked by B.L.
Comments
All reaing were taken in the center aisle.