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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.

March 2, 2018

Purpose:

To lay the groundwork for the argument that traceability of the measurement results to the SI units is through the calibration of the individual instrument to reference standards - the étalons.

If reliability, requires traceability, then the Certificate of Calib...

February 25, 2018

Purpose:

To educate the Court as to the "why" of the unreliability of an approved instrument to measure across the measuring interval if it has not been recently calibrated, inspected, maintained, re-calibrated.

It seems strange to think that a modern "approved instrumen...

February 20, 2018

Purposes:

To connect evidentiary breath testing in Canada, the Criminal Code, and the Weights and Measures Act section 4(1) to the Metre Convention and the organizations created by the Metre Convention specifically the CGPM and the BIPM.

To establish the primacy of the C...

February 19, 2018

Purpose:

To connect the concept of measurement standard, reference standard, étalon to Canadian law, Canadian constitutional law, and international measurement science.

To suggest to the Court that if measurement is a comparison, then it must always be a comparison to th...

February 16, 2018

Purpose:

To connect the Criminal Code and its wording about concentration of alcohol in units of blood with the International system of SI units.

To establish the importance of SI units and their definitions according to the CGPM when construing and applying the Criminal...

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OIML R126 is the International Standard for Evidential Breath Analyzers

August 14, 2018

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