2023 Utah Code 41-6a-1644. Diesel emissions program — Implementation — Monitoring — Exemptions

2022 Utah Code 41-6a-1644. Diesel emissions program — Implementation — Monitoring — Exemptions

2020 Utah Code 41-6a-1644. Diesel emissions program — Implementation — Monitoring — Exemptions

2018 Utah Code 41-6a-1644. Diesel emissions program — Implementation — Monitoring — Exemptions

2016 Utah Code 41-6a-1644. Diesel emissions program — Implementation — Monitoring — Exemptions

2015 Utah Code 41-6a-1644. Diesel emissions program — Implementation — Monitoring — Exemptions

2014 Utah Code 41-6a-1644. Diesel emissions program — Implementation — Monitoring — Exemptions

2013 Utah Code 41-6a-1644. Diesel emissions program — Implementation — Monitoring — Exemptions

2010 Utah Code 41-6a-1644. Diesel emissions program — Implementation — Monitoring — Exemptions