Schedules of Controlled Substances: Placement of Ethylphenidate in Schedule I Posted on October 12, 2023October 12, 2023 By Becky Carter DEA; September 22, 2023 Access article Chemistry, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Forensic Pathology and Medicolegal Death Investigation, Seized Drugs/Controlled Substances, Toxicology Tags:DEA