The above is Part Twelve from a lecture given by Attorney Justin J. McShane before the North Carolina Advocates for Justice “Advanced DWI Seminar”. This seminar happened on February 26, 2010. It was organized and hosted by John K. Fanney, Esquire of Fanney & Jackson, P.C. The following is a transcript of this video: You […]
Metrology in Quantitative Measure: Is it Specific or Selective or Neither…
As I have blogged before every assay has its limitations. There is no such thing as a perfect test. I have blogged before on metrology and Uncertainty Measurement (UM). Even the mighty International Standard, ISO 17025, in Section 5.4.6 only applies the concept of UM to the quantitative measure and to the quantitative measure alone. […]
Lecture on Analytical Chemistry in BAC testing Part 10
The above is Part Ten from a lecture given by Attorney Justin J. McShane before the North Carolina Advocates for Justice “Advanced DWI Seminar”. This seminar happened on February 26, 2010. It was organized and hosted by John K. Fanney, Esquire of Fanney & Jackson, P.C. The following is a transcript of this video: I […]
Lecture on Analytical Chemistry in BAC testing Part 9
The above is Part Nine from a lecture given by Attorney Justin J. McShane before the North Carolina Advocates for Justice “Advanced DWI Seminar”. This seminar happened on February 26, 2010. It was organized and hosted by John K. Fanney, Esquire of Fanney & Jackson, P.C. The following is a transcript of this video: Let’s […]
Mass Spectrometry is only computer assisted pattern recognition
In our prior post, CRMs: Reference materials and standards, we saw how the library is important in analytical chemistry. It enables the analyst to compare the unknown to a known to arrive at an opinion that is often expressed as a conclusion. We saw that there are many different commercial sources for these libraries. In […]
Hidden sources of error in forensic science
“It’s the little things that kill”–Bush OK… The band Bush may not be the greatest rock band ever, but their lyric above is indeed remarkable. In forensic science, it is very true that it is the little things that kill. Three of the most often overlooked and hidden sources of analytical error are the “little […]
Breath testing theory for ETOH is wrong and unscientific
In the above trailer for the movie Catch Me if You Can, Leonardo DiCaprio dawned the disguises of various professionals (e.g., pilot, banker, lawyer) to hide the fact that he was simply a teenager. Initially, he made very modest claims, but as the movie progresses his hubris took control. He made increasingly bold and increasingly […]
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