2024 49 CFR 40.177 – What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite?

2023 49 CFR 40.177 – What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite?

2022 49 CFR 40.177 – What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite?

2021 49 CFR 40.177 – What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite?

2020 49 CFR 40.177 – What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite?

2019 49 CFR 40.177 – What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite?

2016 49 CFR 40.177 – What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite?

2015 49 CFR 40.177 – What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite?

2014 49 CFR 40.177 – What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite?