top of page

lawyers.ca duimetrology.com
905-273-3322 or 1-877-273-3322
Search


Stephen Biss
May 22, 20185 min read
Maybe the Instrument Is No Longer Linear Enough to Be An "8000C"
Purpose: To explore the analytical variability of the 8000C as determined by the Alcohol Test Committee during evaluation of the 8000C...
27 views0 comments


Stephen Biss
Apr 27, 20184 min read
BAC Analysis in a Lab Without Bracketing Controls is at Best Qualitative not Quantitative
We have a serious problems in the Canadian criminal justice system. One of them is the failure of Parliament and the Courts to recognize...
12 views0 comments


Stephen Biss
Apr 13, 20185 min read
Change at One Point but Not at Another Point that is Equivalent
This is a sample excerpt from a cross-examination of a Crown expert using data from periodic inspection of an approved instrument. The...
3 views0 comments


Stephen Biss
Mar 29, 20186 min read
Police Fail to Correct a Linearity Problem on In-House Annual Inspection
Let's suppose that you obtain disclosure or Freedom of Information documents respecting In-house Periodic Inspections by your local...
21 views0 comments


Stephen Biss
Mar 25, 20186 min read
Why Does the ATC Say Single Point Control Tests are Good Enough?
Purpose: To explore the differences between a measurement instrument that has a linear relationship between the thing measured and the...
13 views0 comments


Stephen Biss
Mar 23, 20183 min read
Response Drifts Over Time
In an article relied upon by the SCC in St. Onge, Brian Hodgson stated: Defence lawyers need to educate themselves about the meanings of...
11 views0 comments


Stephen Biss
Feb 15, 20186 min read
What is measurement?
Purpose: Cross-examination of a CFS scientist on the VIM. To connect "measurement" in Canadian evidentiary breath testing to...
6 views0 comments


Stephen Biss
Jan 13, 20187 min read
Control Tests do not displace Formal Calibration Intervals
Purpose: To separate conceptually control tests from calibration To obtain an admission that there are no "assessors" in the province of...
30 views0 comments


Stephen Biss
Jan 12, 20182 min read
Linearity Studies are Done on New Instruments not Aging Instruments
Purpose: To obtain admissions that the published studies dealing with the linearity of approved instruments assume a new instrument...
7 views0 comments


Stephen Biss
Jan 11, 201810 min read
Instrumental Deviations from Beer-Lambert Law
This blog entry explores the use of a university textbook during cross-examination of a CFS scientist on "Instrumental Deviations from...
80 views0 comments


Stephen Biss
Jan 10, 201811 min read
Beer-Lambert Law as Stated in Training Aid is Over-Simplified and Inadequate
This blog entry contains excerpts from the cross-examination of a CFS scientist during an over 80 trial. It was suggested to the...
15 views0 comments
bottom of page