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Training & Certification

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"I love this program!  It allows me to communicate with defense attorneys and prosecutors with numbers and graphics in my hand!  This goes a long way toward getting plea agreements and cases settled without a trial" -- Debra S., USA.

"BAC Tracker software has caused me to change the way in which I report alcohol use in medico-legal reports" -- Dr. Edward O., Australia.

"Expert witnesses involved in litigation arising from alcohol consumption will find BAC Tracker to be very useful" -- Dr. Michael C., USA.

"In conjunction with our continuing research, BAC Tracker has provided additional corroboration of our internal methods in the assessment of DUI cases" -- Dr. Thomas K., USA.

"BAC Tracker allows me to evaluate potential new cases, better understand my client's case, prepare for trial and when possible, use in trial" -- Patrick B., USA.

BAC Tracker - Uncertainty Management for Alcohol Extrapolation Cases: Widmark; Watson, et al.; Forrest; Seidl; Ulrich, et al.

Chip Walls

H Chip Walls received his B.S. from the University of Alabama at Birmingham in 1972
during which time he was a research associate in the Department of Chemistry. His
professional career has covered over 30 years including over 12 years at the University
of Miami Miller School of Medicine, and 21 years with the Alabama Department of
Forensic Sciences-Birmingham Division toxicology section and Onondaga County Medical
Examiner's Office toxicology laboratories. His experience encompasses post-mortem
forensic toxicology, clinical toxicology, probation urine drug testing, and driving under
the influence cases. Currently, he is the Technical Director of the Forensic Toxicology
Laboratory at the University of Miami, Miller School of Medicine within the Department
of Pathology.

An active member of several toxicology organizations, he has chaired national
committees and has organized numerous workshops on many aspects of the principals
and practices of forensic toxicology for annual meetings of various professional
organizations. He has been an invited speaker on drug detection in pregnancy, the role
of toxicology in prosecuting impaired drivers, and information resources in forensic
toxicology, marijuana, antidepressants, anti-epileptics, psychotropic medications,
narcotics, sedative-hypnotics and alcohol. He has had work published on such topics as
cocaine, marijuana, and benzodiazepines and forensic toxicology in peer-reviewed
scientific journals or books, and presented at national forensic science meetings.
He has served the Society of Forensic Toxicologist (S.O.F.T.) as Past-President (1997),
President (1996), Vice-President (1995), Board of Directors (1991-1994), the Executive
Board (1995), and the Editorial Board of ToxTalk (1994-present). In addition, he has
served on or chaired the following committees: Driving Under the Influence of Drugs
(Chair), Meeting Resources (Chair), Joint Committee on Education and Training in
Toxicology (JCETT) and Health/Safety. He was S.O.F.T. Special Issue Guest Editor of
the Journal of Analytical Toxicology (1992). His eccentricity is widely known to fellow
toxicologists concerning his collection of information about the practice of forensic
toxicology. In 2006 he was presented the Ray Abernathy award by the American
Academy of Forensic Sciences Toxicology section for �Recognition of an Outstanding
Forensic Toxicology Practitioner.�

He serves as a laboratory inspector for the National Laboratory Certification Program:
Federal Workplace Forensic Urine Drug Testing 1990 to Present (SAMSHA).











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Disclaimer: BAC-Tracker software provides estimates for general information and illustrative purposes.  BAC-Tracker software should not be used as a substitute for scientific or medical expertise from a qualified professional.