environmental forensic techniques Articles

  • Environmental forensics investigation

    Location: Vancouver, BC Owner: Confidential Description: Environmental forensics investigation ongoing to determine the source of chlorinated solvents (PCE, TCE, 1,1,1-TCA1,1,DCE) and 1,2-dichlorobenzene contamination at a site that has changed owners in the past 25 years. Advanced Forensic Techniques used include hydrolysis equation for ...


    By NovaTec Consultants Inc.

  • A forensic study to differentiate two dissolved gasoline plumes at adjoining service stations

    Three gasoline service stations are present at a highway intersection in central New Jersey. In the mid- to late- 1980s, service station “B” began to notice large discrepancies in their gasoline inventory. The USTs were removed in 1988 and a significant release was discovered. Separate-phase gasoline, as much as 1.5 feet (0.5 m) thick was present on the water table for about an area ...


  • INFRARED TECHNOLOGY - It`s Use in Forensic Building Science to Solve Moisture Intrusion Problems

    This paper will focus discussion on the building envelope, the science behind the inspection, techniques for inspection, and verification of the findings. Because much of our work is pioneering, we will end by addressing the question 'Where do we go from here?' WHY USE INFRAREDA picture says a thousand words; infrared thermography is the only diagnostic technology that lets you instantly ...

  • Response to O'Reilly et al. (2014)

    Recently, O'Reilly et al. (2014) provided a review of environmental forensic techniques for source characterization and identification of pyrogenic polycyclic aromatic hydrocarbons (PAHs) in sediments. They also provided an example case study pertaining to refined tar‐based sealers [commonly known as coal tar‐based sealants (CT‐sealants)] to support their contention that CT‐sealants are not a ...


    By John Wiley & Sons, Ltd.

  • The history of leaded gasoline

    Forensic investigations are often a combination of both scientific techniques and historical background studies. One example that is often used is the background to leaded gasoline. Gasoline service stations can be found on many street corners and, in fact, there were many more service stations in the United States in the 1960s than there are today. This means that potential sources of ...


  • Portable lead analyzer to locate source of lead

    OBJECTIVE: To investigate the sources of lead in the environment in children with elevated blood, with the help of a Field Portable X-Ray ...

  • Leader in sample preparation systems benefits from Axetris MFCs’ high dynamic range - Case Study

    Split ratio flexibility of GC injector increased 30-fold A leading manufacturer of analytical sample preparation systems in gas chromatography (GC) switched to Axetris MFCs - and in doing so, simplified their product range, while offering their customers at least 30 times more flexibility in split ratio. The market-leading dynamic range of Axetris mass flow controllers (MFCs)—with ...


    By Axetris Ag

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