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PDFWAC 173-230-220


(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), ยง 173-230-220, filed 7/10/19, effective 8/10/19.]
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