2023 Virginia Code 59.1-152: Collection and analysis of samples

2022 Virginia Code 59.1-152: Collection and analysis of samples

2021 Virginia Code 59.1-152: Collection and analysis of samples

2020 Virginia Code 59.1-152: Collection and analysis of samples

2019 Virginia Code 59.1-152: Collection and analysis of samples

2019 Virginia Code 59.1-152: Collection and analysis of samples

2017 Virginia Code 59.1-152: Collection and analysis of samples

2016 Virginia Code 59.1-152: Collection and analysis of samples

2015 Virginia Code 59.1-152: Collection and analysis of samples

2014 Virginia Code 59.1-152: Collection and analysis of samples

2011 Virginia Code 59.1-152 – Collection and analysis of samples

2008 Virginia Code 59.1-152 – Collection and analysis of samples