Any PBT instrument used must have been certified within the previous six months. In order to certify a PBT instrument as accurate, the certifying agent must follow a protocol approved by the state toxicologist.
[Statutory Authority: RCW
46.61.506. WSR 16-21-026, § 448-15-040, filed 10/10/16, effective 11/10/16; WSR 08-05-029, § 448-15-040, filed 2/12/08, effective 3/14/08; WSR 99-06-047, § 448-15-040, filed 3/1/99, effective 4/1/99.]