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Stephen Biss
Dec 14, 20221 min read
What is SCC: R. v. St-Onge Lamoureux "Reliability" in an Approved Intrument?
Please carefully re-read what the Supreme Court of Canada said about "reliability" in R. v. St-Onge Lamoureux. Please think about and...
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Stephen Biss
Jan 27, 20189 min read
Government Scientists Calculate Uncertainty of Measurement - Why Can't We?
Purpose: To obtain admissions about the use of historical control test data by the Centre of Forensic Sciences in Toronto to calculate...
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Stephen Biss
Jan 24, 20184 min read
Checking Analytical Variability and Accuracy of the Instrument? Where?
Purpose: To explore the lack of a lab setting when accuracy and precision of the instrument are checked on periodic or annual inspection....
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Stephen Biss
Jan 22, 20186 min read
Distorted Concept of "Accuracy", "Precision", and "Reliability"
Purpose: To remind the Court of the concept of "reliability" used by the SCC in St-Onge. To educate the Court as to the definitions of...
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Stephen Biss
Jan 18, 201810 min read
Durability Over Time
Purpose: To obtain admissions respecting the inadequacy of ATC / CFS recommendations in requiring "stability of metrological...
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Stephen Biss
Jan 16, 20185 min read
International Std OIML R126 Mandates Maximum Permissible Error
Sample Cross-examination of CFS expert on OIML standard R126 (2012) respecting maximum permissible error in evidentiary breath...
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