DUI Metrology Dictionary

This glossary of words, phrases, and acronyms was designed post Bill C-46 to assist lawyers and judges in using terminology applicable to Criminal Code of Canada section 320 DUI litigation. Lawyers and judges should become familiar with all of these terms.

Accuracy
Air blank (in the context of the Intoxilyzer)
Alcohol Test Committee
Alcohol standard
Alcohol standard log
Ambient threshold/ambient fail threshold (in the context of the Intoxilyzer)
Approved instrument (in the context of 320.31)
BIPM
Blood alcohol concentration (BAC)
CGPM
COBRA data
Calibration
Calibration check (in the context of the Intoxilyzer)
Calibration curve (in the context of the Intoxilyzer)
Certificate of Calibration
Certificate of the Analyst
Certificate of the Qualified Technician
Conditions precedent/presumption/conclusive proof (in the context of 320.31)
Continuity (in the context of the actions of the qualified technicians)
Contradiction of the instrument's result (defence)
Contradiction of the truth (defence)
Control test (in the context of the Intoxilyzer)
Diagnostics fail (in the context of the Intoxilyzer)
Diagnostics test (in the context of the Intoxilyzer)
Drift
Dry gas/air gas
Esc Esc sequences (in the context of the Intoxilyzer)
Evidence tending to show (defence)
Evidence to the contrary (defence)
Floating zero (in the context of the Intoxilyzer)
Flow monitor (in the context of the Intoxilyzer)
GUM
Henry's Law
Identity (in the context of the alcohol standard)
Independent service provider (in the context of the Intoxilyzer)
Infrared spectroscopy
Instrument malfunction (defence)
Instrument of a kind, Instrument d'un type approuve
Interferent (in the context of the Intoxilyzer)
Internal standard (in the context of the Intoxilyzer)
Intoxilyzer 5000/5000C
Intoxilyzer 8000C
Linearity
Maintenance/service log (in the context of the Intoxilyzer)
Manometer
Measurement
Measurement Standard
Measurement Uncertainty
Measuring interval
OIML
Operator error (in the context of the Intoxilyzer)
Precision (in the context of the Intoxilyzer)
Qualified technician
Qualitative (result)
Quantitative (result)
Radio frequency interference threshold (in the context of the Intoxilyzer)
Reference check (in the context of the Intoxilyzer)
Reliability (general principle)
SI Units
Screening device
Screening device
Self/subject breath test (in the context of the Intoxilyzer)
Standard deviation
Test Record
Traceability (in the context of measurement results)
Uncertainty growth
Uncertainty of measurement
VIM
VIML
Wet bath simulator (in the context of the Intoxilyzer)
Wet bath simulator digital thermometer
Wet bath simulator mercury thermometer
Wet bath simulator thermometer RS232 interface