Michael Desmarais
Significant Figures Use by Laboratories

Significant Figures Use by Laboratories

What determines the amount of numbers you see on your report? Each test that we do has a level of sensitivity associated with it.  Tests that you can do by visual inspection have the lowest sensitivity and are usually reported in whole numbers in a range of say 1 to...

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The Argument on “Total” Metals

The Argument on “Total” Metals

Why is there still an argument about which digestion method should be reported as “total” metals? When you’re looking at an old QAPP, permit or analytical report, you might have noticed that there were different listings for how the metals were to be identified and...

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