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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.

May 16, 2018

Purpose:

To confirm that when new instruments are being evaluated, various solutions are used between 50 and 400 mg/100mls.

To confirm that when new instruments are being evaluated, the specified accuracy requirement is  +/- 5 percent of the BAC with a precision requirem...

April 13, 2018

Purpose:

To suggest that there is empirical evidence in the matter before the Court of change in response by the approved instrument at the lower end of the measuring interval (reading much lower) and at the upper end of the measuring interval (reading slightly higher)...

April 6, 2018

Purpose:

To remind the Court, "thing 1" in 258(1)(c) is unconstitutional under Charter 11(d) (R v St-Onge) but is saved by section 1.

To remind the Court that 258(1)(c) is saved by section 1 because of Parliament's purpose which is weight consistent with scientific relia...

April 4, 2018

Purpose:

To obtain an admission from the government scientist that a review of the documents from 3 annual  inspections reveals a trend such that indications in the lower portion of the measuring interval are reading low and indications in the upper portion of the measu...

March 23, 2018

Purpose:

To establish that the hypothesis by the ATC/CFS, that any drift in instrument response (what Hodgson describes as significant drift in accuracy and precision over time) will always be caught by a single point control test, is not supported by any empirical stud...

February 28, 2018

Purpose:

To educate the Court about the Analytical Theory of the 8000C Optical Bench including Emitter, Sample Chamber, Dual Detectors, Inverse Logarithmic relationship, and building the Calibration Curve based on the theory that differing ethanol concentrations have di...

February 18, 2018

Purpose:

To develop the concept that, in metrology, accuracy is not a number. It is something that we work towards. It does not make sense to say that a particular measurement result "is accurate". We can take certain steps to encourage accuracy such as using the mean o...

February 10, 2018

What is the purpose in Stinchcombe/McNeil disclosure or O'Connor production of maintenance records and historical data?

Crown CFS scientists are right in saying that there is no causal relationship between the historical data and the results of a subsequent subject test...

February 1, 2018

Purpose:

To challenge the CFS expert's position that inconvenient data should be excluded for the purpose of calculating precision.

To obtain an admission that the local police service is not properly assessing accuracy and precision during periodic inspections because t...

January 27, 2018

Purpose:

To obtain admissions about the use of historical control test data by the Centre of Forensic Sciences in Toronto to calculate standard deviation and uncertainty of measurement.

To obtain an admission that the same approach could be used with historical data of I...

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