{"operation":"document","citation":"49 CFR 40.51","title":"What materials are used to send oral fluid specimens to the laboratory?","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"(a) Except as provided in paragraph (b) of this section, you must use a shipping container that adequately protects the specimen bottles from damage in the transport of specimens from the collection site to the laboratory.\n\n(b) You are not required to use a shipping container if a laboratory courier","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-40-51.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-40-51.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-40-51","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-40.51","body":"(a) Except as provided in paragraph (b) of this section, you must use a shipping container that adequately protects the specimen bottles from damage in the transport of specimens from the collection site to the laboratory.\n\n(b) You are not required to use a shipping container if a laboratory courier hand-delivers the specimens from the collection site to the laboratory.\n\n[88 FR 27640, May 2, 2023]","truncated":false,"body_characters":400}