You will need TWO purchase orders. One will be $25.00 to ESC 6 for the conference and one $65.00 purchase order for each audiometer you will bring to be calibrated.
IMPORTANT INFOMRATION FOR AUDIOMETER CALIBRATIONS:
Audiometer Calibration are a separate PO of $65.00 per audiometer. Make Purchase Order to the following:
Natus Medical Incorporated
PO Box 3604
Carol Stream, IL 60132-3604