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173-500-020  <<  173-500-030 >>   173-500-040

This regulation is promulgated by the department of ecology under the authority of chapter 90.54 RCW.
[Statutory Authority: Chapters 43.27A and 90.54 RCW. WSR 88-13-037 (Order 88-11), § 173-500-030, filed 6/9/88; Order DE 75-23, § 173-500-030, filed 1/6/76.]