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

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