2024 Ohio Code 1567.15 – Closing of ventilating doors

2023 Ohio Code 1567.15 – Closing of ventilating doors

2020 Ohio Code 1567.15 – Closing of ventilating doors

2018 Ohio Code 1567.15 – Closing of ventilating doors

2016 Ohio Code 1567.15 – Closing of ventilating doors

2015 Ohio Code 1567.15 – Closing of ventilating doors

2014 Ohio Code 1567.15 – Closing of ventilating doors

2013 Ohio Code 1567.15 – Closing of ventilating doors

2009 Ohio Code 1567.15 – Closing of ventilating doors