2023 Washington Code 70A.214.100 – Waste reduction and recycling awards program in K-12 public schools — Encouraging waste reduction and recycling in private schools

2022 Washington Code 70A.214.100 – Waste reduction and recycling awards program in K-12 public schools–Encouraging waste reduction and recycling in private schools

2020 Washington Code 70A.214.100 – Waste reduction and recycling awards program in K-12 public schools — Encouraging waste reduction and recycling in private schools