Wash. Admin. Code § 448-16-020
(1) Pursuant to RCW 46.61.506, the following instruments are approved for the quantitative measurement of alcohol in a person's breath:
(2) Pursuant to RCW 46.61.506, the following thermometers are approved:
[Statutory Authority: RCW 46.61.506. WSR 16-21-025, § 448-16-020, filed 10/10/16, effective 11/10/16; WSR 10-24-066, § 448-16-020, filed 11/30/10, effective 12/31/10; WSR 04-19-144, § 448-16-020, filed 9/22/04, effective 10/23/04.]