Wash. Admin. Code § 246-292-086
(1) The department shall:
(a) Reclassify a certified BTO that has twelve months or more of operating experience in a water treatment plant to a WTPO 1. To document operating experience in a water treatment plant, a BTO shall submit the following to the department for review and approval:
(b) Issue a temporary operator certification to a BTO designated as a certified operator in responsible charge in WAC 246-292-020 for up to twelve months as a WTPO 1 under the following criteria:
(3) Within twelve months of the effective date of this chapter, a BTO may request that the department reclassify the certificate from a BTO to a WTPO-OIT by submitting the following information for department review and approval:
[Statutory Authority: RCW 70.119.050 and chapter 70.119 RCW. WSR 14-01-003, § 246-292-086, filed 12/4/13, effective 1/4/14.]