PDFRCW 70A.455.030
Use of terms on label.
(1) Except as provided in this chapter, no producer may sell, offer for sale, or distribute for use in this state a plastic product that is labeled with the term "biodegradable," "degradable," "decomposable," "oxo-degradable," or any similar form of those terms, or in any way imply that the plastic product will break down, fragment, biodegrade, or decompose in a landfill or other environment.
(2) This section does not apply to biodegradable mulch film that meets the required testing and has the appropriate third-party certifications.
NOTES:
Findings—Intent—Scope of authority of chapter 180, Laws of 2022—2022 c 180: See notes following RCW 70A.205.007.