The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
Act-The Local Health Administration Law (16 P. S. §§ 12001-12028).
Board-The Advisory Health Board of the Commonwealth.
Department-The Department of Health of the Commonwealth.
DER-The Department of Environmental Resources of the Commonwealth.
Local health department-A county health department created pursuant to the act or the health department or board of health of any municipality entitled to receive Commonwealth grants under the act.
Secretary-The Secretary of the Department.
28 Pa. Code § 17.1