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:

(1) Alco-Sensor III (Intoximeters, St. Louis, MO).

(2) Alco-Sensor FST (Intoximeters, St. Louis, MO).

(3) Any other instruments approved by the National Highway Traffic Safety Administration (NHTSA) will be considered for approval in Washington state on application to the state toxicologist, providing that a suitable program for maintenance, certification and operator training is also established and approved.