- (1) This rule applies to wastewater treatment plant owners, all certified wastewater treatment plant operators, and those seeking certification.
- (2) The operator in responsible charge and the lead operator of a shift are required to hold valid certifications.
- (3) All individuals operating wastewater treatment plants who are not required to be certified are encouraged to seek certification.
[Statutory Authority: Chapter 70.95B RCW. WSR 19-15-025 (Order 18-02), § 173-230-220, filed 7/10/19, effective 8/10/19.]