2024 Virginia Code 10.1-1416: Collection and survey of litter.

2023 Virginia Code 10.1-1416: Collection and survey of litter

2022 Virginia Code 10.1-1416: Collection and survey of litter

2021 Virginia Code 10.1-1416: Collection and survey of litter

2020 Virginia Code 10.1-1416: Collection and survey of litter

2019 Virginia Code 10.1-1416: Collection and survey of litter

2019 Virginia Code 10.1-1416: Collection and survey of litter

2017 Virginia Code 10.1-1416: Collection and survey of litter

2016 Virginia Code 10.1-1416: Collection and survey of litter

2015 Virginia Code 10.1-1416: Collection and survey of litter

2014 Virginia Code 10.1-1416: Collection and survey of litter

2011 Virginia Code 10.1-1416 – Collection and survey of litter

2008 Virginia Code 10.1-1416 – Collection and survey of litter