Versions of Virginia Code 22.1-138.2: Certain public school buildings; carbon monoxide detectors on LawServer 2023 Virginia Code 22.1-138.2: Certain public school buildings; carbon monoxide detectors 2022 Virginia Code 22.1-138.2: Certain public school buildings; carbon monoxide detectors 2021 Virginia Code 22.1-138.2: Certain public school buildings; carbon monoxide detectors