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Continuity of Alcohol Standard Solution: Keep from Freezing
Many years ago I asked for timely disclosure/production of a representative bottle of the alcohol standard lot used during the breath...
Stephen Biss
Dec 21, 20227 min read


Continuity: Write on Empty Bottle
Tip 35: The simplest method of communicating the last change date of the alcohol standard solution placed into the wet-bath simulator is...
Stephen Biss
Oct 26, 20222 min read


Error in Facts - "Impaired Driving and Other Criminal Code Driving Offences", Jokinen and Keen
Does partial automation of error-checking in an approved instrument: specifically diagnostics tests, air blanks, cal. checks, and maximum...
Stephen Biss
Oct 19, 20227 min read


Continuity: From the Box
Tip 37: Defence lawyers need to study the video - does the qualified technician take a random (unrelated to the matter before the Court)...
Stephen Biss
Oct 15, 20224 min read


Continuity: Use of a Seal
Tip 38: One of the best ways to control wet-bath simulator alcohol standard continuity is to use alphanumeric police seals and record...
Stephen Biss
Oct 3, 20222 min read


Continuity: Whiteboard or blackboard method
Tip 36: Some police detachments have been known to write the manufacturer name, lot number, name/badge of solution change officer,...
Stephen Biss
Sep 30, 20221 min read


Appendix E: Location & Anecdotal Notes in Log
Tip 30: The CFS 8000C Training Aid of 2013 at page 191 of 238, Appendix "E" recommends that the Alcohol Standard Log, updated by the...
Stephen Biss
Sep 16, 20222 min read


Anecdotal Notes in Alcohol Standard Log
Tip 29: Obtain disclosure, of the full #duisimulator alcohol standard log, to search for anecdotal notes of difficulties experienced by...
Stephen Biss
Sep 9, 20221 min read


Continuity: Outgoing = Incoming Seal Numbers
Tip 39: The key to usefulness of alphanumeric seals on a #duisimulator is whether or not the incoming seal number on the subsequent...
Stephen Biss
Jul 15, 20222 min read


COBRA V and Hospital Change of Location
Warning: This blog entry was written prior to Bill C-46 during an era when forensic science in Ontario was more transparent. Prior to R....
Stephen Biss
Jun 17, 20224 min read
Is it safe to assume that the target value of the alcohol standard was 100?
The video below displays a variety of alcohol standards that could be used in a #duisimulator for evidentiary breath testing for...
Stephen Biss
Jun 10, 20223 min read


Continuity of the Alcohol Standard
Tip 34: The use of an alcohol standard during evidentiary breath testing in Canada was not mentioned in the Criminal Code as a condition...
Stephen Biss
May 28, 20224 min read


Applying Magna Carta and the Concept of the Measurement Standard - the Etalon
Purpose: To connect the concept of measurement standard, reference standard, étalon to Canadian law, Canadian constitutional law, and...
Stephen Biss
Feb 19, 20185 min read


Use of Wet-bath Simulator in Winter Cold Temperatures
Purpose: To cross-examine a CFS scientist on use of Guth 2100 wet-bath simulator under Canadian cold operating conditions To build a case...
Stephen Biss
Feb 7, 20184 min read
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