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Seized Drugs Subcommittee

OSAC Seized Drugs SC icon only

The Seized Drugs Subcommittee focuses on standards and guidelines related to the examination of evidence to identify drugs and related substances.

Officers | Members | Standards | Other Work Products


Agnes D. Winokur, Subcommittee Chair, U.S. Drug Enforcement Administration

Claire Dragovich, Subcommittee Vice Chair, DuPage County Sheriff's Office

Anne Slaymaker, Subcommittee Executive Secretary, U.S. Drug Enforcement Administration


Emanuele Alves, Virginia Commonwealth University

Hal Arkes, Ohio State University (Human Factors Task Group member)

Andrew Bowen, U.S. Postal Inspection Service

Brittany Bryant, American Association for Laboratory Accreditation (Quality Task Group member)

Deborah Cole, New Jersey Office of Forensic Science

Lyndsay Cone, North Carolina State Crime Laboratory

Michael Crowe, New York City Police Department

Lynn Garcia, Texas Forensic Science Commission (Legal Task Group member)

John Goodpaster, Indiana University - Purdue University Indiana

David Gouldthorpe, Las Vegas Metropolitan Police Department

Eric Grunwald, Minnesota Bureau of Criminal Apprehension

Melissa Hehir, Georgia Bureau of Investigation

Stephanie Lambert, San Diego Police Department Crime Laboratory

Jason Nawyn, Defense Forensic Science Center (including USACIL)

Cedric Neumann, South Dakota State University (Statistics Task Group member)

Charlene Rittenbach, North Dakota Office of Attorney General Crime Laboratory

Amanda Shanbaum, Illinois State Police

Sarah Shuda, NMS Labs

Edward Sisco, National Institute of Standards and Technology

Casper Venter, West Virginia University


Published by a Standards Developing Organization (SDO)

  • OSAC Registry ribbon
    ASTM E1968-19 Standard Practice for Microcrystal Testing in Forensic Analysis for Cocaine.
  • OSAC Registry ribbon
    ASTM E1969-19 Standard Practice for Microcrystal Testing in the Forensic Analysis of Methamphetamine and Amphetamine.
  • OSAC Registry ribbon
    ASTM E2125-19 Standard Practice for Microcrystal Testing in the Forensic Analysis of Phencyclidine and its Analogues.
  • OSAC Registry ribbon
    ASTM E2329-17 Standard Practice for Identification of Seized Drugs.
    • published standard on the osac registry (added august 7, 2018).
  • OSAC Registry ribbon
    ASTM E2548-16 Standard Guide for Sampling Seized Drugs for Qualitative and Quantitative Analysis.
    • published standard on the osac registry (added June 1, 2021. the 2011 version is available in the registry archive).
  • OSAC Registry ribbon
    ASTM E2882-19 Standard Guide for Analysis of Clandestine Drugs.
  • ASTM E3255-21 Standard Practice for Quality Assurance of Forensic Science Service Providers Performing Chemical Analysis.

Sent to an SDO

  • Standard Practice for Education and Training of Seized Drug Analysts.
  • Standard Practice for Validation and Verification of Analytical Methods in Forensic Chemistry.
  • Standard Guide for Uncertainty Estimation in Seized Drug Analysis.
  • Standard Guide for Assessment of Gas Chromatography and Electron Ionization Mass Spectrometry Data During the Qualitative Analysis of Seized Drugs.
  • Standard Guide for the Development of Electron Ionization-Mass Spectral (EI-MS) Libraries.
  • Standard Guide for Intralaboratory Blind Quality Control Programs for Seized Drug Analysis.
  • Standard Guide for Assessment of Fourier Transform Intrared-Spectroscopy (FTIR) Data During the Qualitative Analysis of Seized Drugs.

Under Development

  • Standard Guide for Reporting of Seized Drug Analysis Results.
  • Standard Guide for the Analysis of Negatives in Seized Drugs.
  • Test Method for Building an Analytical Scheme for the Analysis of Newly Psychoactive Substances and True Unknowns in Seized Drugs.
  • Test Method for the Analytical Scheme for the Differentiation of Marijuana and Hemp in Seized Drug Analysis.
  • Standard Guide for Testimony by Experts in Seized Drug Analysis.
  • Standard Guide for Assessment of LC/MS Data During the Qualitative Analysis of Seized Drugs.

Other Work Products

Reference Documents

Research & Development Needs

Standards Development Maps

Discipline-Specific Bibliographies and Bibliographic References 

These documents may contain information to help forensic scientists, judges, lawyers, researchers, and other readers better understand the nature, scope, and foundations of the individual disciplines as currently practiced. The identification of these documents does not represent an endorsement by OSAC or NIST. Only standards that are posted on the OSAC Registry and Technical Guidance documents, are endorsed by OSAC. The referenced documents may be subject to copyright. Note: Subcommittee position statements or responses to data collections by the subcommittee do not necessarily represent the position of OSAC or NIST.


  • Instrumental Data for Drug Analysis (IDDA), Mills, Roberson, Matchett, Simon, Burns and Ollis (3rd edition) or current edition.
  • Clarke's Analysis of Drugs and Poisons, Moffat, Osselton, Widdop and Watts (4th edition) or current edition.
  • Understanding Mass Spectra: A Basic Approach, Smith (2nd edition) or current edition.
  • Hallucinogens: A Forensic Drug Handbook, Richard Laing and Jay Siegel or current edition.
  • The Shulgin Index, Volume One: Psychedelic Phenethylamines and Related Compounds, Alexander T. Shulgin (Currently out of print).
  • Cannabis Resources
  • Pharmacophore Resources


Spectral Databases/Libraries:

Created October 16, 2014, Updated October 18, 2021