Guidance for the people who carry the responsibility — DERs, safety managers and supervisors running an FMCSA Part 382 program.
What 49 CFR 382.307 requires before a reasonable-suspicion test: specific, contemporaneous, articulable observations, who may make the determination, and how the record is documented.
Which drug-and-alcohol program duties the employer's DER must perform personally under 49 CFR Part 40, which a C/TPA may perform, and the citation behind each.
The 49 CFR 382.303 criteria for post-accident testing, the citation-issued condition that trips people up, the 8-hour and 32-hour windows, and why not every accident triggers a test.