Versions of Washington Code > Chapter 70A.405 - Polybrominated diphenyl ethers--Flame retardants on LawServer 2023 Washington Code > Chapter 70A.405 – Polybrominated diphenyl ethers–Flame retardants 2022 Washington Code > Chapter 70A.405 – Polybrominated diphenyl ethers—Flame retardants. 2020 Washington Code > Chapter 70A.405 – Polybrominated diphenyl ethers—Flame retardants.