2023 Virginia Code 10.1-104.2: Voluntary nutrient management training and certification program

2022 Virginia Code 10.1-104.2: Voluntary nutrient management training and certification program

2021 Virginia Code 10.1-104.2: Voluntary nutrient management training and certification program

2020 Virginia Code 10.1-104.2: Voluntary nutrient management training and certification program

2019 Virginia Code 10.1-104.2: Voluntary nutrient management training and certification program

2019 Virginia Code 10.1-104.2: Voluntary nutrient management training and certification program

2017 Virginia Code 10.1-104.2: Voluntary nutrient management training and certification program

2016 Virginia Code 10.1-104.2: Voluntary nutrient management training and certification program

2015 Virginia Code 10.1-104.2: Voluntary nutrient management training and certification program

2014 Virginia Code 10.1-104.2: Voluntary nutrient management training and certification program

2011 Virginia Code 10.1-104.2 – Voluntary nutrient management training and certification program

2008 Virginia Code 10.1-104.2 – Voluntary nutrient management training and certification program