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Interior Noise Test Data Form

Test Condition 2: 0 to 35 mph Acceleration Test

Date 1990-12-17
Personnel B.L., & N.L.
Temperature (°F) 37
Humidity (%) 30
Wind Direction CALM
Wind Speed (MPH) 0
Barometric Pressure (in.Hg)
Initial Sound Level Meter Calibration checked by B.L.
Interior Ambient Noise Level dB(A) 40.9
Exterior Ambient Noise Level dB(A)
Microphone Height During Testing(in) 45
Measurement Location Measured Sound Level dB(A)
Driver's Seat 70.9
Front Passenger Seats 70.5
Middle Passenger Seats 73.7
Rear Passenger Seats 81.5
Final Sound Level Meter Calibration checked by B.L.
Rear of front section and front of rear section readings taken because of size of bus and articulate section.