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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 5, 2018

Purpose:

To obtain an admission from a CFS scientist that uncertainty of measurement is not novel science.

February 4, 2018

Purposes:

To simplify the concept of Type A Uncertainty of Measurement to make it more understandable to a trial judge.

To obtain an admission from the CFS scientist that Uncertainty of Measurement is not novel science.

To explain calculation of average, precision, and st...

January 29, 2018

Purpose:

To establish a better methodology for calculating precision of an approved instrument in service.

To apply CFS methodology using control checks re calculation of uncertainty of measurement in blood/urine analysis to evidentiary breath testing.

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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OIML R126 is the International Standard for Evidential Breath Analyzers

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