All public and private funds collected are immediately deposited in more than 50 local financial institutions and invested in certificates of deposit and securities guaranteed by the full faith and credit of the United States of America in accordance with the DuPage County Treasurer's Investment Policy with Appendix A.
Being certified means holding the Certificate of Clinical Competence (CCC), a nationally recognized professional credential that represents a level of excellence in the field of Audiology (CCC-A) or Speech-Language Pathology (CCC-SLP) .
VCC stands for voltage at the common collector.. The letter V on a circuit stands for the supply voltage. The letters CC indicate that the supply voltage is positive or negative. If the charge is positive, its circuit is a Negative-Positive-Negative circuit, and if negative, it is a Positive-Negative-Positive circuit.