UDTV-29

NORTH AMERICAN TRANSIT, INC.

Interior Noise Test Data Form

Test Condition 2: 0 to 35 mph Acceleration Test

Date 1995-01-19
Personnel R.L., B.R., & R.H.
Temperature (°F) 39
Humidity (%) 75
Wind Direction SW
Wind Speed (MPH) 5
Barometric Pressure (in.Hg) 30.02
Initial Sound Level Meter Calibration checked by R.L.
Interior Ambient Noise Level dB(A) 35.3
Exterior Ambient Noise Level dB(A) 47.9
Microphone Height During Testing(in) 45
Measurement Location Measured Sound Level dB(A)
Driver's Seat 77.4
Front Passenger Seats 77.2
Middle Passenger Seats 80.1
Rear Passenger Seats 83.8
Final Sound Level Meter Calibration checked by R.L.
Comments
All readings taken in the center aisle.