Wash. Admin. Code § 246-815-100
An individual may be eligible for a Washington state dental hygiene license if the applicant:
(4) Has successfully completed a dental hygiene examination where the other state's licensing standards are substantively equivalent to the licensing standards in the state of Washington. The other state's examination must have included the following portions and standards of competency.
(b) Practical tests - All portions must be graded anonymously by calibrated practicing dental hygienists or dental hygienists and dentists. Examiners will be calibrated to the standards of competency. The examination must have equivalent patient selection criteria for the patient evaluation, prophylaxis and anesthesia portions. In lieu of the WREB or CRDTS practical tests, the secretary may accept substantially equivalent tests. The practical tests include:
[Statutory Authority: RCW 18.19.050, 18.29.130, 18.29.210, 18.34.120, 18.46.060, 18.55.095, 18.84.040, 18.88B.060, 18.89.050, 18.130.050, 18.138.070, 18.155.040, 18.200.050, 18.205.060, 18.215.040, 18.230.040, 18.240.050, 18.250.020, 18.290.020, 18.360.030, 18.360.070, 70.41.030, 70.230.020, 71.12.670, and 18.108.085. WSR 21-02-002, § 246-815-100, filed 12/23/20, effective 1/23/21. Statutory Authority: RCW 18.29.210, 43.70.280, and chapter 18.29 RCW. WSR 18-21-141, § 246-815-100, filed 10/19/18, effective 11/19/18. Statutory Authority: RCW 43.70.280, 18.29.120, 18.29.140, and 18.29.150. WSR 04-20-049, § 246-815-100, filed 10/1/04, effective 11/1/04. Statutory Authority: RCW 43.70.280. WSR 98-05-060, § 246-815-100, filed 2/13/98, effective 3/16/98. Statutory Authority: Chapter 18.29 RCW and RCW 18.20.150(4). WSR 95-16-102, § 246-815-100, filed 8/1/95, effective 9/1/95. Statutory Authority: RCW 18.29.045. WSR 93-06-042A (Order 332), § 246-815-100, filed 2/24/93, effective 3/27/93. Statutory Authority: RCW 18.29.130. WSR 92-02-018 (Order 224), § 246-815-100, filed 12/23/91, effective 1/23/92. Statutory Authority: RCW 43.70.040. WSR 91-02-049 (Order 121), recodified as § 246-815-100, filed 12/27/90, effective 1/31/91. Statutory Authority: Chapter 18.29 RCW, RCW 18.29.021, [18.29.]045 and [18.29.]130. WSR 90-23-011 (Order 098), § 308-25-041, filed 11/13/90, effective 12/14/90.]