conditions precedent to 320.31(1)(a)

Dec 28, 20222 min read

Reliability: Aging - Losing Memory

The Intoxilyzer® 8000 depicted in this video was once a reliable evidentiary breath testing instrument in the United States. It is...

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Continuity of Alcohol Standard Solution: Keep from Freezing

Stephen Biss

Dec 21, 20226 min read

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...

61 views0 comments

What is SCC: R. v. St-Onge Lamoureux "Reliability" in an Approved Intrument?

Stephen Biss

Dec 14, 20221 min read

What is SCC: R. v. St-Onge Lamoureux "Reliability" in an Approved Intrument?

Please carefully re-read what the Supreme Court of Canada said about "reliability" in R. v. St-Onge Lamoureux. Please think about and...

11 views0 comments

What is Differential Voltage Monitoring (DVM) ?

Stephen Biss

Dec 8, 20226 min read

What is Differential Voltage Monitoring (DVM) ?

Many years ago Ontario defence lawyers cross-examined breath techs on "how much room there was" on the particular Intoxilyzer 5000C to...

8 views0 comments

Stephen Biss

Nov 30, 20228 min read

Reliability: Ambient Conditions

Tip 41: Changing breath room ambient conditions can reduce "system calibration check" and "system blank test" reliability. Any...

24 views0 comments

Stephen Biss

Nov 23, 20224 min read

Ancient Egypt and DUI Metrology

If you served wine or beer at a pub in ancient Egypt the beverages were measured out using liquid volume instruments like these. Each...

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Study the Block Diagram in the Wet-Bath Simulator Manufacturer's Manual

Stephen Biss

Nov 17, 20223 min read

Study the Block Diagram in the Wet-Bath Simulator Manufacturer's Manual

Tip 25: Obtain a copy of the Guth Laboratories, Inc. wet-bath "Model 2100 Simulator Operation Manual" and study the "Model 2100-Block...

14 views0 comments

Calibration Check on Periodic Inspection of Wet-bath Simulator

Stephen Biss

Nov 10, 20222 min read

Calibration Check on Periodic Inspection of Wet-bath Simulator

Tip 27: Does the Inspector use a traceable reference thermometer, that is accurate and precise, to at least two decimal places, to...

12 views0 comments

Continuity of Alcohol Standard: CalGuard Feature

Stephen Biss

Nov 3, 20223 min read

Continuity of Alcohol Standard: CalGuard Feature

Tip 40: Some police services take the position that they don't need to use seals between the simulator housing and the jar. Failure to...

6 views0 comments

Stephen Biss

Oct 26, 20222 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...

7 views0 comments

Error in Facts - "Impaired Driving and Other Criminal Code Driving Offences", Jokinen and Keen

Stephen Biss

Oct 19, 20227 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...

25 views0 comments

Stephen Biss

Oct 15, 20224 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)...

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Change of Response at One Point but Not at Another Point that is Equivalent

Stephen Biss

Oct 12, 20224 min read

Change of Response at One Point but Not at Another Point that is Equivalent

Purpose: To suggest that there is empirical evidence in the matter before the Court of change in response by the approved instrument at...

17 views0 comments

Certificate of Calibration of a NIST mercury thermometer

Stephen Biss

Oct 6, 20221 min read

Certificate of Calibration of a NIST mercury thermometer

Tip 14: Whenever police purchase a new NIST mercury thermometer, the Canadian distributor provides them with a "Guth Laboratories, Inc....

14 views0 comments

Stephen Biss

Oct 3, 20222 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...

12 views0 comments

Continuity: Whiteboard or blackboard method

Stephen Biss

Sep 30, 20221 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,...

19 views0 comments

Stephen Biss

Sep 26, 20222 min read

What is Purge Fail on an Intoxilyzer ?

What is a Purge Fail on an Intoxilyzer 8000C ? What is a Purge File on an Intoxilyzer 5000C ? How does this phenomenon affect reliability...

30 views0 comments

Appendix E: Location & Anecdotal Notes in Log

Stephen Biss

Sep 16, 20222 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...

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What is an Ambient Fail on an Intoxilyzer 8000C?

Stephen Biss

Sep 13, 20221 min read

What is an Ambient Fail on an Intoxilyzer 8000C?

What does "ambient fail" or "ambient failed" mean on an Intoxilyzer 8000C? Watch the following video and ask yourself why the ambient...

63 views0 comments

What is an air blank on an Intoxilyzer 8000C?

Stephen Biss

Sep 12, 20222 min read

What is an air blank on an Intoxilyzer 8000C?

What does an air blank look like on an Intoxilyzer 8000 or 8000C? What is a blank test? What is a system blank test? What does 000 mean...

34 views0 comments

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