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Stephen Biss
Aug 12, 20223 min read
Reliability: .02 Agreement
Tip 49: It is very possible to have 02 agreement (20 mg/100mls agreement) of results, yet the results are not accurate or not reliable....
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Stephen Biss
Aug 9, 20225 min read
Index to Tips for Discussion by Defence Lawyers
Tips for Defence Lawyers and Attorneys in Challenging the Reliability of Approved Instruments, Alcohol Standards, and Accessory Equipment...
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Stephen Biss
Jul 29, 20222 min read
COBRA of Low Cal Check Sequences
Tip 22: Study #duisimulator COBRA for clusters of low climbing cal checks at 3400. It's a lot of work, but if you obtain complete COBRA...
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Stephen Biss
Jul 27, 20221 min read
COBRA May Reveal RS232 Interface
Tip 23: If you obtain COBRA by Crown co-operation, Stinchcombe, O'Connor, or FOI, #duisimulator temperatures such as 33.95 or 33.99 will...
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Stephen Biss
Jul 15, 20222 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...
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Stephen Biss
Jun 24, 20221 min read
Are police officers tempted to record 34.00 without actually checking the simulator thermometer?
Tip 21: A CFS scientist has acknowledged police sometimes are tempted to record 34.0. Evidence of a CFS scientist, Dr. L, April 10, 2013,...
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Stephen Biss
Jun 17, 20224 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....
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Stephen Biss
Jun 6, 20221 min read
The Perfect Simulator
Tip 20: Peel Regional Police Service has a #duisimulator DR5790 associated with Intoxilyzer 80-004789 that perfectly maintained its...
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Stephen Biss
Jun 6, 20221 min read
COBRA Data Disclosure: Always 34.00?
Tip 19: One of the best ways to tell whether or not QTs in your jurisdiction are taking Quality Assurance (QA) and Quality Control (QC)...
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Stephen Biss
Jun 2, 20222 min read
How Many Wet-bath Simulators at the Detachment?
Tip 2: Find out the wet-bath #DUISimulator quantity at the detachment, their model numbers, calibration / service histories, and use with...
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Stephen Biss
May 28, 20224 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...
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Stephen Biss
May 6, 20222 min read
Location is Everything
Tip 31: Location is everything when it comes to a #duisimulator in Ontario. The CFS Training Aid recommends that the alcohol standard be...
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Stephen Biss
Apr 30, 20223 min read
Know the Simulator Probes
Tip 24: Knowledge of #duisimulator probes assists understanding of function & malfunction of thermistor, heater, and thermometer(s). Many...
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Stephen Biss
Apr 19, 20221 min read
Chips & Cracks in the Simulator Jar
Tip 28: Make inquiries about chips or cracks in the simulator jar. Use a FOI application, Stinchcombe, O'Connor, or cross-examine to make...
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Stephen Biss
Apr 9, 20223 min read
Reliability - Calibration is a Curve
Tip 50: When an "approved instrument" is calibrated at the factory, the manufacturer doesn't simply adjust the electronics in the...
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Stephen Biss
Dec 3, 20212 min read
Verification of Digital Thermometer
Although not stated in the 8000C Training Aid, CFS scientists seem to be in agreement, that it is recommended that a NIST mercury...
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Stephen Biss
Mar 18, 20202 min read
What is the simulator manufacturer's specification for simulator temperature?
With respect to the Guth 2100 wet bath simulator, 34.00 +/- .05 C is the manufacturer's specification. You will find this information in...
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Stephen Biss
Feb 17, 20201 min read
Purchase the Guth 2100 Operational Manual
Defence lawyers should purchase a copy of the manufacturer's manual for the wet-bath simulator used in their jurisdiction.
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Stephen Biss
Feb 14, 20203 min read
Simulator is necessary "Accessory Equipment" that requires inspection and re-calibration
A wet-bath simulator is "accessory equipment" according to the ATC Best Practices document. A wet-bath simulator requires annual...
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Stephen Biss
Feb 10, 20202 min read
Wet-bath Simulator Serial Number
Always ask for the serial number of the wet-bath simulator used by the Qualified Technician for your client's subject tests.
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