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Subpart B—Employer Responsibilities1

Subpart C—Urine Collection Personnel1

Subpart B—Drug Testing1

Subpart C—Alcohol Testing4

Subpart F—Drug Testing Laboratories6

Subpart G—Medical Review Officers and the Verification Process2

Subpart H—Split Specimen Tests1

Subpart J—Alcohol Testing Personnel1

Subpart O—Substance Abuse Professionals and the Return-to-Duty Process1

Regulationhistorical

49 CFR 40.189

Where is other information concerning split specimens found in this regulation?

Current as of 2023-10-01 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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You can find more information concerning split specimens in several sections of this part:

§ 40.3—Definition. § 40.65—Quantity of split specimen. § 40.67—Directly observed test when split specimen is unavailable. §§ 40.71-40.73—Collection process for split specimens. § 40.83—Laboratory accessioning of split specimens. § 40.99—Laboratory retention of split specimens. § 40.153—MRO notice to employees on tests of split specimen. §§ 40.193 and 40.201—MRO actions on insufficient or unavailable split specimens. Appendix D to Part 40—Report format for split specimen failure to reconfirm.

[65 FR 79526, Dec. 19, 2000, as amended at 82 FR 52245, Nov. 13, 2017]