Wash. Admin. Code § 448-15-010
The following preliminary breath test (PBT) instruments are approved for use in the state of Washington as breath alcohol screening devices, subject to the requirements outlined in this chapter:
[Statutory Authority: RCW 46.61.506. WSR 16-21-026, § 448-15-010, filed 10/10/16, effective 11/10/16; WSR 08-05-029, § 448-15-010, filed 2/12/08, effective 3/14/08; WSR 99-06-047, § 448-15-010, filed 3/1/99, effective 4/1/99.]