2024 Texas Natural Resources Code 211.012 – Rules and Standards

2023 Texas Natural Resources Code 211.012 – Rules and Standards

2022 Texas Natural Resources Code 211.012 – Rules and Standards

2019 Texas Natural Resources Code 211.012 – Rules and Standards

2018 Texas Natural Resources Code 211.012 – Rules and Standards

2016 Texas Natural Resources Code 211.012 – Rules and Standards

2014 Texas Natural Resources Code 211.012 – Rules and Standards

2011 Texas Natural Resources Code 211.012 – Rules and Standards

2009 Texas Natural Resources Code 211.012 – Rules and Standards

2008 Texas Natural Resources Code 211.012 – Rules And Standards