2023 West Virginia Code 22A-2-12 – Instruction of employees and supervision of apprentices; annual examination of persons using approved methane-detecting devices; records of examination; maintenance of methane detectors, etc

2022 West Virginia Code 22A-2-12 – Instruction of employees and supervision of apprentices; annual examination of persons using approved methane-detecting devices; records of examination; maintenance of methane detectors, etc

2021 West Virginia Code 22A-2-12 – Instruction of employees and supervision of apprentices; annual examination of persons using approved methane-detecting devices; records of examination; maintenance of methane detectors, etc

2019 West Virginia Code 22A-2-12 – Instruction of employees and supervision of apprentices; annual examination of persons using approved methane-detecting devices; records of examination; maintenance of methane detectors, etc

2018 West Virginia Code 22A-2-12 – Instruction of employees and supervision of apprentices; annual examination of persons using approved methane detecting devices; records of examination; maintenance of methane detectors, etc

2016 West Virginia Code 22A-2-12 – Instruction of employees and supervision of apprentices; annual examination of persons using approved methane detecting devices; records of examination; maintenance of methane detectors, etc

2015 West Virginia Code 22A-2-12 – Instruction of employees and supervision of apprentices; annual examination of persons using approved methane detecting devices; records of examination; maintenance of methane detectors, etc

2014 West Virginia Code 22A-2-12 – Instruction of employees and supervision of apprentices; annual examination of persons using approved methane detecting devices; records of examination; maintenance of methane detectors, etc

2010 West Virginia Code 22A-2-12 – Instruction of employees and supervision of apprentices; annual examination of persons using flame safety lamps; records of examination; maintenance of methane detectors, etc