2023 West Virginia Code 17-10-13 – Only standardized, tested and approved materials to be used

2022 West Virginia Code 17-10-13 – Only standardized, tested and approved materials to be used

2021 West Virginia Code 17-10-13 – Only standardized, tested and approved materials to be used

2019 West Virginia Code 17-10-13 – Only standardized, tested and approved materials to be used

2018 West Virginia Code 17-10-13 – Only standardized, tested and approved materials to be used

2016 West Virginia Code 17-10-13 – Only standardized, tested and approved materials to be used

2015 West Virginia Code 17-10-13 – Only standardized, tested and approved materials to be used

2014 West Virginia Code 17-10-13 – Only standardized, tested and approved materials to be used

2010 West Virginia Code 17-10-13 – Only standardized, tested and approved materials to be used