What education do I need?
High school diploma or GED.
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One year of relevant experience may replace each missing year of education through twelfth grade.
Full certification requirement
The first full-certification level. It is separate from Group I Operator in Training.
One year of relevant experience may replace each missing year of education through twelfth grade.
Maintain certification through the annual renewal process and the three-year professional-growth requirement.
This is a source-backed informational summary, not an eligibility decision. Ecology reviews the application and supporting records.
Controls full Group I–IV education and operating-experience requirements, including group-specific caps and conditions for education and relevant-experience substitutions.
View official sourceRequires a Washington-approved passing score and provides that exam approval expires after one year unless Ecology grants an extension.
View official sourceEstablishes the three-year professional-growth cycle, qualifying methods, repeat-course limit, no carryover, trainer credit, and documentation deadline.
View official sourceProvides current application, exam administration, operating-experience, OIT, maintenance, reciprocity, study-resource, and contact guidance.
View official sourceCurrent Ecology application and instructions for full certification, OIT, upgrades, retakes, reciprocity, and experience verification.
View official source