(1) All public records of the board are available for public inspection and copying pursuant to these rules subject to subsections (2), (3), and (4) of this section.

(2) Availability of public records is subject to the exemptions and requirements of RCW 42.17.310.

(3) When a public record includes information the disclosure of which would lead to an unreasonable invasion of personal privacy, and the board becomes aware of this fact, the board shall delete such information before making the record available and shall provide the justification for the deletion in writing.

(4) The board shall, upon request for identifiable public records, make them promptly available to any person. Public records requested may not be readily available for immediate inspection. If the requested records are not readily available, the board shall notify the requester when and where such records will be available.