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    Calibration Laboratory Requires Accreditation
    Stephen Biss
    • Feb 26, 2018
    • 2 min

    Calibration Laboratory Requires Accreditation

    Purposes: To obtain an admission that calibration or re-calibration needs to be done by an entity that is accredited by ASCLD/LAB ANLAB to ISO 17025 standards. To obtain an admission that the local police service or local service centre which has conducted a re-calibration does not have such accreditation. The cross-examiner should have gone further on this issue to expand this line of questioning to Mega-Tech, Davtech, and GCS Technical Services. Sample cross-examination of
    0 views0 comments
    Factors Influencing Reliability
    Stephen Biss
    • Feb 13, 2018
    • 3 min

    Factors Influencing Reliability

    What is "reliability" in the context of a "quantitative analysis"? What does "reliability" mean in measurement science? We have a definition of INSTRUMENTAL "reliability" from Hodgson (Hodgson, Brian T., "The Validity of Evidential Breath testing", Can. Soc. Forensic Sci. J. Vol. 41 No 2 (2008) pp. 83-96) in the paper cited by the SCC in R. v. St‑Onge Lamoureux, 2012 SCC 57 (CanLII), [2012] 3 SCR 187, <https://canlii.ca/t/ftl1g>, but: Are there additional components to instru
    8 views0 comments
    Stop, Document, and Report
    Stephen Biss
    • Feb 12, 2018
    • 5 min

    Stop, Document, and Report

    Purpose: To educate the Court about good laboratory practice. To obtain an admission from the CFS scientist, that good laboratory practice requires contemporaneous documentation. To obtain an admission from the CFS scientist that good laboratory practice requires that a technician stop, document, and report whenever an anomaly occurs. To apply good laboratory practice to breath testing for a forensic purpose. Cross-examination of a CFS scientst: Q. All right. Paragraph 4.9.1
    4 views0 comments

    If you are a member of the public, please don't attempt to use what you see or read at this site in Court. It is not evidence. The author is not a scientist. The author has a great deal of experience in cross-examining scientists about these issues, but the author is not a scientist. Hire a criminal lawyer in private practice in Ontario. Your lawyer can retain an expert.

    © 2022 Allbiss Lawdata Ltd.

    This site has been built by Allbiss Lawdata Ltd. All rights reserved. This is not a government web site.

    For more information respecting this database or to report misuse contact: Allbiss Lawdata Ltd., Mississauga, Ontario, Canada, 905-273-3322. The author and the participants make no representation or warranty  whatsoever as to the authenticity and reliability of the information contained herein.  WARNING: All information contained herein is provided  for the purpose of discussion and peer review only and should not be construed as formal legal advice. The authors disclaim any and all liability resulting from reliance upon such information. You are strongly encouraged to seek professional legal advice before relying upon any of the information contained herein. Legal advice should be sought directly from a properly retained lawyer or attorney. 

    WARNING: Please do not attempt to use any text, image, or video that you see on this site in Court. These comments, images, and videos are NOT EVIDENCE. The Courts will need to hear evidence from a properly qualified expert. The author is not a scientist. The author is not an expert. These pages exist to promote discussion among defence lawyers.

    Intoxilyzer®  is a registered trademark of CMI, Inc. The Intoxilyzer® 5000C is an "approved instrument" in Canada.

    Breathalyzer® is a registered trademark of Draeger Safety, Inc., Breathalyzer Division. The owner of the trademark is Robert F. Borkenstein and Draeger Safety, Inc. has leased the exclusive rights of use from him. The Breathalyzer® 900 and Breathalyzer® 900A were "approved instruments" in Canada.

    Alcotest® is a registered trademark of Draeger Safety, Inc. The Alcotest® 7410 GLC and 6810 are each an "approved screening device" in Canada.

    Datamaster®  is a registered trademark of National Patent Analytical Systems, Inc.  The BAC Datamaster® C  is an "approved instrument" in Canada.