Wash. Admin. Code § 292-130-130
(2) During the course of an investigation, records generated or collected as a result of the investigation may be exempt from public inspection and copying under RCW 42.56.240.
(b) The following records are not considered part of the investigation file and are releasable upon request:
[Statutory Authority: RCW 42.52.360. WSR 18-20-107, § 292-130-130, filed 10/2/18, effective 11/2/18; WSR 16-16-075, § 292-130-130, filed 7/29/16, effective 8/29/16. Statutory Authority: RCW 42.52.360 (2)(b) and 42.52.425. WSR 01-13-033, § 292-130-130, filed 6/13/01, effective 7/14/01. Statutory Authority: RCW 42.52.360 (2)(b). WSR 98-22-072, § 292-130-130, filed 11/3/98, effective 12/4/98.]