2024 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities

2023 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities

2022 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities

2021 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities

2020 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities

2019 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities

2016 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities

2015 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities

2014 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities

2010 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities

2009 42 CFR 493.1365 – Standard; PPM testing personnel responsibilities