PHMSA - Interpretations by Regulation

Interpretations	Title
49 CFR 40.1	Who does this regulation cover? (eCFR Regulation)
49 CFR 40.21	May an employer stand down an employee before the MRO has completed the verification process? (eCFR Regulation)
49 CFR 40.23	What actions do employers take after receiving verified test results? (eCFR Regulation)
49 CFR 40.25	Must an employer check on the drug and alcohol testing record of employees it is intending to use to perform safety-sensitive duties? (eCFR Regulation)
49 CFR 40.29	Where is other information on employer responsibilities found in this regulation? (eCFR Regulation)
49 CFR 40.3	What do the terms used in this regulation mean? (eCFR Regulation)
49 CFR 40.33	What training requirements must a collector meet? (eCFR Regulation)
49 CFR 40.35	What information about the DER must employers provide to collectors? (eCFR Regulation)
49 CFR 40	Procedures for Transportation Workplace (eCFR Regulation)
49 CFR 40.63	What steps does the collector take in the collection process before the employee provides a urine specimen? (eCFR Regulation)
49 CFR 40.69	How is a monitored collection conducted? (eCFR Regulation)