Medical gas piping installer endorsement.

RCW 18.106.075
in effect
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The department shall adopt requirements that qualify a journey level plumber to be issued a medical gas piping installer endorsement. The department shall adopt requirements that qualify a journey level plumber to be issued a medical gas piping installer endorsement.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=18.106&full=trueFetched: 6/28/2026

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