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Forensic Toxicology Subcommittee

OSAC Forensic Toxicology SC icon only

The Forensic Toxicology Subcommittee focuses on standards and guidelines related to the analysis of biological samples for alcohol, drugs, or poisons, and the interpretation of these results.  

Officers Members | Standards | Other Work Products



Robert Johnson, Subcommittee Chair, Tarrant County Medical Examiner's Office

Rebecca Wagner, Subcommittee Vice Chair, Virginia Department of Forensic Science

Madeleine Swortwood, Subcommittee Executive Secretary, Sam Houston State University


Dan Anderson, NMS Labs

Amanda Black, Washington State Patrol (Quality Task Group representative)

Alanna De Korompay, San Diego County Medical Examiner's Office

Lisa Fondren, Fondren Forensics

Megan Grabenauer, RTI International

Gregory Haber, National Institute of Standards and Technology (Statistics Task Group representative)

Curt Harper, Alabama Department of Forensic Sciences

Chris Heartsill, Society of Forensic Toxicologists

Matthew Juhascik, Montgomery County Coroner's Office/Miami Valley Regional Crime Laboratory

Scott Larson, Institute of Environmental Science and Research Limited (ESR)

Dani Mata, Orange County Crime Laboratory

Madeline Montgomery, Federal Bureau of Investigation

Sue Pearring, San Francisco Office of the Chief Medical Examiner

Christopher Plourd, State of California (Legal Task Group representative)

Sara Schreiber, Milwaukee County Medical Examiner

Karen Scott, University of Alabama at Birmingham

Pate Skene, University of Colorado (Human Factors Task Group representative)

Samantha Tolliver, DC Office of the Chief Medical Examiner

Samera Zavaro, Tennessee Bureau of Investigation Crime Laboratory


Published by a Standards Developing Organization (SDO) and on the OSAC Registry

OSAC Registry Ribbon

Sent to an SDO 

  • OSAC Registry ribbon
    OSAC 2020-S-0003, Guidelines for Performing Alcohol Calculations in Forensic Toxicology.
    • OSAC proposed standard on the registry (added may 3, 2022 and sent to asb for further development and publication).
  • OSAC 2021-N-0026, Standard for Education and Training of Forensic Toxicology Personnel.
    • NOTE: this osac proposed standard will not be placed on the registry per subcommittee request. it has been sent to asb for further development and publication. 
  • OSAC 2021-S-0004, Standard for Estimation of Measurement Uncertainty of Quantitative Measurements in Forensic Toxicology.
    • NOTE: this osac proposed standard will not be placed on the registry per subcommittee request. it has been sent to asb for further development and publication.
  • Standard for Breath Alcohol Instrument Specifications.
  • Standard for Breath Alcohol Measuring Instrument Calibration.
  • Standard for Mass Spectral Data Acceptance in Forensic Toxicology.
  • Standard for Identification Criteria in Forensic Toxicology.
  • Standard for Proficiency Testing of Forensic Toxicology Laboratories.
  • Guidelines for Specimen Collection and Preservation for Forensic Toxicology.

Under Development

  • Standard Method for Blood Ethanol Identification and Quantitation in Forensic Toxicology Laboratories.
  • Standard for Quality Assurance Management Systems in Forensic Toxicology Laboratories.

Other Work Products

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.

Created June 27, 2014, Updated October 25, 2022