The Polymath · Sources

How Regulatory Categories Conceal Scientific Uncertainty

The Polymath

From RN Collins, selected work

The article, the sources and the image credits behind this post, each linked to the original.

The articleRead RN's full article in The Polymath polymath-rn-collins.beehiiv.com

Other sources

  1. Federal Register, DOJ/DEA, Schedules of Controlled Substances: Rescheduling of Marijuana, notice of proposed rulemaking, 89 FR 44597 (May 21, 2024), document 2024-11137, A.G. Order 5931-2024 federalregister.gov
  2. Federal Register, DEA, notice of hearing on proposed rulemaking, 91 FR 22777 (April 28, 2026), document 2026-08177, A.G. Order 6753-2026 federalregister.gov
  3. Federal Register, DEA, notice of hearing withdrawal, 91 FR 22778 (April 28, 2026), document 2026-08178, A.G. Order 6752-2026 federalregister.gov
  4. Federal Register, final rule, Rescheduling of FDA-Approved Products Containing Marijuana From Schedule I to Schedule III, 91 FR 22714 (April 28, 2026), document 2026-08176, effective April 28, 2026 federalregister.gov
  5. 7 U.S.C. 1639o (hemp definition), 2024 edition, GovInfo govinfo.gov
  6. 21 U.S.C. 811(c) and 812 (Schedule I), 2024 edition, GovInfo govinfo.gov
  7. 7 CFR 990.1, Meaning of terms, eCFR version of January 1, 2024 ecfr.gov
  8. USDA AMS, Laboratory Testing Guidelines, U.S. Domestic Hemp Production Program ams.usda.gov
  9. FDA, FDA and Cannabis: Research and Drug Approval Process; and FDA Regulation of Cannabis and Cannabis-Derived Products (Q&A) fda.gov
  10. National Academies, The Health Effects of Cannabis and Cannabinoids (2017), evidence-level definitions nap.nationalacademies.org
  11. CRS In Focus IF13136, Changes to the Statutory Definition of Hemp (updated September 28, 2026) everycrsreport.com
  12. Federal Register, DEA, Controls To Enhance the Cultivation of Marihuana for Research, 85 FR 16292 (proposed, March 23, 2020) and 85 FR 82333 (final, December 18, 2020) federalregister.gov
  13. Law-firm and press reports on the hearing (Morgan Lewis, September 24, 2026; NORML, January 14, 2025). Secondary. morganlewis.com

Images, slide by slide

Slide 1
Illustrative photo: the front of the Jamie L. Whitten Building, headquarters of the U.S. Department of Agriculture in Washington, D.C., with the department's name cut into the facadePhoto: JSquishPhoto record
Slide 2
Illustrative photo: a gas chromatograph with its autosampler on a laboratory bench, a general-purpose chemical analysis instrumentPhoto: W.NitschPhoto record
Slide 3
Illustrative photo: two levels of stacks filled with bound law volumes in the Indiana Supreme Court Law LibraryPhoto: DominicPhoto record
Slide 4
Illustrative photo: the Drug Enforcement Administration headquarters at 700 Army Navy Drive in Arlington, Virginia, exterior onlyPhoto: Thomson200Photo record
Slide 5a
Illustrative photo: printed Federal Register documents and a Code of Federal Regulations booklet, photographed in 1987 and released by the Massachusetts Department of Environmental ProtectionSource: MassDEP, via FlickrPhoto record
Slide 5b
The words Office of the Attorney General carved on an exterior wall of the Robert F. Kennedy Department of Justice Building in Washington, D.C., photographed in 2007Photo: Gregory VarnumPhoto record
Slide 5c
Illustrative photo: office towers in the Pentagon City neighborhood of Arlington, Virginia, photographed in 2010Photo: AgnosticPreachersKidPhoto record
Slide 6
The Hubert H. Humphrey Building at the foot of Capitol Hill in Washington, D.C., headquarters of the Department of Health and Human Services, photographed by Carol M. Highsmith in 2012Photo: Carol M. HighsmithPhoto record
Slide 7
Illustrative photo: the Iowa State Capitol in Des Moines, exterior, photographed by Carol M. HighsmithPhoto: Carol M. HighsmithPhoto record
Slide 8
Illustrative photo: rows of wooden card catalog drawers with brass pulls at the University of Illinois law libraryPhoto: University of Illinois LibraryPhoto record
Slide 9a
The Robert F. Kennedy Department of Justice Building in Washington, D.C., exterior, in autumnPhoto: VOAPhoto record
Slide 9b
Illustrative photo: the National Archives Building in Washington, D.C., with flags hung between its columns, photographed in 2021Photo: Kurt KaiserPhoto record
Slide 10a
Illustrative photo: a blue clipboard on a white desk beside a push-button telephone, part of an exhibition set at a 2025 anime convention in TaoyuanPhoto: Solomon203Photo record
Slide 10b
Illustrative photo: a Mettler AJ100 laboratory balance with a glass draft shield and a small brush on top, photographed in 2010Photo: KareljPhoto record

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