WASHINGTON, Oct. 1 -- Department Of Transportation has issued a proposed rule called: Petition for Rulemaking; Notification of Petition for Rulemaking; Invalid Specimen Determinations.
The proposed rule was published in the Federal Register on Oct. 1 by Douglas Simon, Director, Office of Drug & Alcohol Policy & Compliance.
Summary: This document announces receipt of a petition for rulemaking received by DOT on February 27, 2026, to initiate a rulemaking to amend 49 CFR part 40. The petitioner's proposed amendments seek to incorporate structured medical verification standards when an employee asserts a plausible medical explanation for abnormal specimen validity findings, including abnormal pH values. Specifically, the petitioner proposes:...