2023 Washington Code 35.21.120 – Solid waste handling system — Contracts

2022 Washington Code 35.21.120 – Solid waste handling system–Contracts

2020 Washington Code 35.21.120 – Solid waste handling system — Contracts

2019 Washington Code 35.21.120 – Solid waste handling system — Contracts

2018 Washington Code 35.21.120 – Solid waste handling system — Contracts

2016 Washington Code 35.21.120 – Solid waste handling system–Contracts

2015 Washington Code 35.21.120 – Solid waste handling system–Contracts

2014 Washington Code 35.21.120 – Solid waste handling system — Contracts

2013 Washington Code 35.21.120 – Solid waste handling system — Contracts

2009 Washington Code 35.21.120 – Solid waste handling system — Contracts