In this chapter, the following terms have the meanings indicated. Terms Defined. “Act” means the Public Information Act, State Government Article, §§10-611—10-628, Annotated Code of Maryland. “Applicant” means a person requesting disclosure of public records. "Authority" means the Northeast Maryland Waste Disposal Authority. “Custodian” means and includes the official custodian or any authorized person employed by the Authority having personal custody and control of public records of the Authority. “Official custodian” means the person who is responsible for the maintenance, care, and keeping of the public records of the Authority. Unless otherwise provided by law, the Executive Director of the Authority is the official custodian of the Authority's records. “Public record” has the meaning stated in State Government Article, §10-611(g), Annotated Code of Maryland. “Working day” means a day other than Saturday, Sunday, or State holiday or national holiday.