Formal Comment Period: Rulemaking for flame cap kilns and air curtain incinerators, Chapters 173-425, -430, -400 WAC

The public comment period for rulemaking for flame cap kilns and air curtain incinerators, Chapters 173-425, -430, -400 WAC is closed.

Commenting open: November 13, 2025 12:00AM PT - January 20, 2026 11:59PM PT.

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