(1) "Adjudicative proceeding" means a proceeding before an agency in which an opportunity for hearing before that agency is required by statute or constitutional right before or after the entry of an order by the agency. This definition includes an agency's or quasi-judicial board's consideration of a challenge through a brief adjudicative proceeding, formal adjudicative proceeding, petition for administrative review of an initial order, or a request for reconsideration.

(2) "BAP" means "brief adjudicative proceeding" as described in RCW 34.05.482 through 34.05.494.

(3) "Department" means the department of natural resources.

(4) "Filing a document that is required to be filed with an agency" means delivery of the document to a place designated by the agency by rule for receipt of official documents, or in the absence of such designation, at the office of the agency head. A document is not delivered until it is received by the intended recipient.

(5) "Formal adjudicative proceeding" refers to the adjudicative process described in RCW 34.05.413 through 34.05.476.

(6) "Service" means posting in the United States mail, properly addressed, postage prepaid, or personal service. Service by mail is complete upon deposit in the United States mail.

(7) For adjudicative hearings before the department, including hearings conducted by the office of administrative hearings, words used in this chapter have the meaning stated in RCW 34.05.010.

(8) For adjudicative hearings before the pollution control hearings board, terms used in this chapter relating to practice and procedure have the meaning stated in the pollution control hearings board's practices and procedures rules, chapter 371-08 WAC, except that "department" means the department of natural resources.