Stephen BissMar 28, 20185 minPolice No Longer Follow ATC Best Practices Respecting TolerancePurpose of this sample cross-examination: To demonstrate that when the particular instrument was first placed into service, the tolerance...
Stephen BissMar 26, 20185 minCanada's NRC on TraceabilityDefence lawyers need to convince the criminal justice system that "traceability" of all forensic measurements is a condition precedent to...
Stephen BissMar 25, 20182 minEstablishment of Calibration IntervalsThe concept of "calibration interval" is an important one in measurement science. Unfortunately most criminal law lawyers and Judges are...
Stephen BissMar 25, 20186 minWhy Does the ATC Say Single Point Control Tests are Good Enough?Purpose: To explore the differences between a measurement instrument that has a linear relationship between the thing measured and the...