# Washington · aftermarket stain- and water-resistance treatments — US state PFAS product restriction effective dates by category For Washington, product category is aftermarket stain- and water-resistance treatments; effective date is 2025-01-01; restriction type is sale ban; statute / bill is WAC 173-337-110 (Safer Products for Washington); pfas definition is intentionally added, recorded from its source on 2026-10-07. - **State:** Washington _(our reading, not quoted from the source)_ - **Product Category:** aftermarket stain- and water-resistance treatments _(verified: appears in the quote below)_ - **Effective Date:** 2025-01-01 _(our reading, not quoted from the source)_ - **Restriction Type:** sale ban _(our reading, not quoted from the source)_ - **Statute / Bill:** WAC 173-337-110 (Safer Products for Washington) _(our reading, not quoted from the source)_ - **PFAS Definition:** intentionally added _(verified: appears in the quote below)_ - **Detection Threshold:** any detected total fluorine _(our reading, not quoted from the source)_ ## What the source says > (1) Aftermarket stain- and water-resistance treatments. (a) Applicability. (i) Priority consumer products. This subsection applies to: (A) Aftermarket stain-resistant treatments for application to textile and leather consumer products. (B) Aftermarket water-resistant treatments for application to textile and leather consumer products. (C) Aftermarket stain-resistant and water-resistant treatments for application to textile and leather consumer products. (ii) This subsection does not apply to premarket topical chemical treatments applied during the manufacturing process. (b) Compliance schedule. The restriction in (c) of this subsection takes effect on January 1, 2025. (c) Restriction. (i) No person may manufacture, sell, or distribute a priority consumer product described in (a) of this subsection that contains intentionally added PFAS. ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### Detection Threshold > Ecology presumes the detection of total fluorine indicates the intentional addition of PFAS. ## Source - http://app.leg.wa.gov/WAC/default.aspx?cite=173-337-110 Last verified: 2026-10-07. Review by: 2027-01-05. Part of [US state PFAS product restriction effective dates by category](https://referencesource.org/state-pfas-product-restrictions/).