residential dust-wipe for legal sampling to determine contamination

Best Practices for Collecting Flawless Field Samples for Court Cases

A little under a year ago, Chemistry Matters provided an all-day legal sampling seminar on best practices, requirements and techniques for legal sampling.   This was one of our many favorite events in 2016. Attendees found the event highly informative, so we’ve decided to share some of the event’s major…
2DGC output for gasoline samples

2DGC: Why You Need to Know about this Niche Analytical Technique

You may have heard about an analytical technique called 2DGC or Two-Dimensional Gas Chromatography. Or perhaps you have not. I have been talking about for years to anyone who would listen. Put simply, this technique is an advanced analytical technique that allows us to measure more within our samples, even in very complex samples. It is not a regulatory method, and it’s not for routine work, but here is why you should be interested in it.
Dr. Court Sandau in the lab

5 Outlooks for Environmental Forensics – Part Four: Communicate Science Clearly & With Certainty

This is part 4 of the blog series on the 5 outlooks of Environmental Forensics. Environmental forensics cases can be extremely complex.  They start with contaminants with large, awkward names that make most people uncomfortable.  We then talk about representative sampling, measurement uncertainty, concentrations in the part per million and…