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    • Expert Witness Services
      • Provides expert support to projects involving litigious or contentious subjects. These expert witness services are founded on chemistry principles and proper application of scientific methods. Learn More
    • Geoforensic Investigations
      • Solve issues of gas migration, soil gas migration, liquid vent flows and characterize oil and gas bearing zones.
    • Arson Investigations
      • Determine presence, absence and forensic identification of sources of ignitable liquid residues for arson investigations.
    • Environmental Forensics
      • Determine source and timing of contaminant releases in the environment.
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      • Assess environmental impacts as well as wildlife and human exposure to contaminants.
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All entries categorized as “Expert Witness Services”

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Expert Witness Services

Biogenic Toluene – Where does it come from?

In the first post of this series, I described the basis for how we became involved in determining a method for the detection of a natural, biogenic source of toluene. In this post, I describe how the process works and provide some thoughts on how to conduct an investigation. The…
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BY Chemistry Matters Personnel November 23, 2017Environmental Forensics, Expert Witness Services, Geoforensics

Advice from your chemist – top four things when dealing with your spill into a river

You have had a spill… don’t panic, everything will be fine. Accidents happen. It is what you do next that is important. I have worked on many spills and here are what I believe are four of the most important things from a chemist’s perspective. 1. Get lots of source…
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BY Court Sandau November 17, 2017Environmental Forensics, Expert Witness Services

Soil

Toluene is natural – really?

In 2015, Chemistry Matters Inc. (CMI) provided the scientific support for Nexen at Long Lake during their emulsion release. As part of that role, I pored over data every evening, often long through the night to be able to communicate results to regulators and Nexen management and to put together…
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BY Chemistry Matters Personnel October 31, 2017Environmental Forensics, Expert Witness Services, Geoforensics

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…
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BY Court Sandau August 24, 2017Expert Witness Services

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