Versions of Washington Code 70A.300.360 - Local governments to prepare local hazardous waste plans -- Used oil recycling element on LawServer 2023 Washington Code 70A.300.360 – Local governments to prepare local hazardous waste plans — Used oil recycling element 2022 Washington Code 70A.300.360 – Local governments to prepare local hazardous waste plans–Used oil recycling element 2020 Washington Code 70A.300.360 – Local governments to prepare local hazardous waste plans — Used oil recycling element