2024 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2023 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2022 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2021 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2020 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2019 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2018 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2016 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2015 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2014 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2013 Arizona Laws 23-282. Underground mine employees and hoisting engineers; twelve hour day; exceptions; violation; classification

2009 Arizona Laws 23-282 – Underground mine employees and hoisting engineers; eight hour day; exceptions; violation; classification