2024 42 CFR 37.51 – Interpreting and classifying chest radiographs–digital radiography systems

2023 42 CFR 37.51 – Interpreting and classifying chest radiographs – digital radiography systems

2022 42 CFR 37.51 – Interpreting and classifying chest radiographs – digital radiography systems

2021 42 CFR 37.51 – Interpreting and classifying chest radiographs – digital radiography systems

2020 42 CFR 37.51 – Interpreting and classifying chest radiographs–digital radiography systems

2019 42 CFR 37.51 – Interpreting and classifying chest radiographs–digital radiography systems

2016 42 CFR 37.51 – Interpreting and classifying chest radiographs–digital radiography systems

2015 42 CFR 37.51 – Interpreting and classifying chest radiographs–digital radiography systems

2014 42 CFR 37.51 – Interpreting and classifying chest radiographs-digital radiography systems

2010 42 CFR 37.51 – Proficiency in the use of systems for classifying the pneumoconioses

2009 42 CFR 37.51 – Proficiency in the use of systems for classifying the pneumoconioses