2024 Ohio Code 3701.221 – Chemical and bacteriological laboratory

2023 Ohio Code 3701.221 – Chemical and bacteriological laboratory

2020 Ohio Code 3701.221 – Chemical and bacteriological laboratory

2018 Ohio Code 3701.221 – Chemical and bacteriological laboratory

2016 Ohio Code 3701.221 – Chemical and bacteriological laboratory

2015 Ohio Code 3701.221 – Chemical and bacteriological laboratory

2014 Ohio Code 3701.221 – Chemical and bacteriological laboratory

2013 Ohio Code 3701.221 – Chemical and bacteriological laboratory

2009 Ohio Code 3701.221 – Chemical and bacteriological laboratory