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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Stephen Biss
- Dec 21, 2022
- 6 min
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...
60 views0 comments
Stephen Biss
- Nov 30, 2022
- 8 min
Reliability: Ambient Conditions
Tip 41: Changing breath room ambient conditions can reduce "system calibration check" and "system blank test" reliability. Any...
7 views0 comments
Stephen Biss
- Nov 18, 2022
- 3 min
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...
7 views0 comments
Stephen Biss
- Nov 10, 2022
- 2 min
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...
4 views0 comments
Stephen Biss
- Nov 3, 2022
- 3 min
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...
3 views0 comments
Stephen Biss
- Oct 26, 2022
- 2 min
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...
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Stephen Biss
- Oct 19, 2022
- 7 min
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...
20 views0 comments
Stephen Biss
- Oct 15, 2022
- 4 min
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)...
8 views0 comments
Stephen Biss
- Oct 6, 2022
- 1 min
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....
5 views0 comments
Stephen Biss
- Oct 3, 2022
- 2 min
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...
8 views0 comments
Stephen Biss
- Sep 30, 2022
- 1 min
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,...
14 views0 comments
Stephen Biss
- Sep 16, 2022
- 2 min
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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Stephen Biss
- Sep 9, 2022
- 1 min
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...
12 views0 comments
Stephen Biss
- Sep 2, 2022
- 2 min
Reliability: Cal Checks in the Context of Earlier & Later Ambient Fails
Tip 47: A calibration check using a wet-bath simulator containing alcohol standard is not reliable if information is missing about air...
8 views0 comments
Stephen Biss
- Sep 2, 2022
- 2 min
Ambient Conditions Change Baseline 0 on an IR Breath instrument - Disappearing Alcohol
Experiment studying the phenomenon of disappearing alcohol It is easy to replicate this experiment on an Intoxilyzer® 5000. It is more...
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Stephen Biss
- Sep 1, 2022
- 3 min
Approved Instruments Order
Excerpt from Canada Regulations Approved Breath Analysis Instruments Order SI/85-201CRIMINAL CODE Registration 1985-11-27 Order Approving...
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Stephen Biss
- Aug 31, 2022
- 2 min
Reliability: Disabling Ambient Fail Exception, Making Alcohol Disappear
Tip 45: Study the breath room video and learn everything you can about the breath room and detachment. Watch for: Has the qualified...
9 views0 comments
Stephen Biss
- Aug 28, 2022
- 5 min
Reliability: Air Blanks "System Blank Test"
Tip 43: A properly functioning approved instrument air blank system (including the instrument itself, the ambient environment around the...
8 views0 comments
Stephen Biss
- Aug 18, 2022
- 2 min
Ambient Interferents Compromise Reliability of Control Tests
Tip 48: The reliability of control tests using the alcohol standard in a wet-bath #duisimulator may be compromised by the presence in the...
14 views0 comments
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