STP925

    Performance of USEPA Method for Analysis of 2,3,7,8-Tetrachloro-Dibenzo-p-Dioxin in Soils and Sediments by Contractor Laboratories

    Published: Jan 1986


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    Abstract

    The United States Environmental Protection Agency's superfund contractor laboratories use the method found in USEPA IFB WA84-A002 to analyze soil and sediment samples for the specific isomer 2,3,7,8-tetrachloro-dibenzo-p-dioxin. This method uses isotope dilution gas chromatography and mass spectrometry (GC/MS). The precision, accuracy, detection limit, isomer specificity, recovery, and other performance parameters are important in evaluating performance of laboratories and methods. The observed performance of this method in the production-line analysis of thousands of samples by eleven contractor laboratories is presented in this paper.

    Keywords:

    gas chromatography, mass spectrometry, isotope dilution, analytical method, dioxin, precision, accuracy, detection limit


    Author Information:

    Garner, FC
    Scientist Scientific Supervisor, Lockheed Engineering and Management Services Co., Las Vegas, NV

    Homsher, M
    Scientist Scientific Supervisor, Lockheed Engineering and Management Services Co., Las Vegas, NV

    Pearson, JG
    Scientist Scientific Supervisor, Lockheed Engineering and Management Services Co., Las Vegas, NV


    Paper ID: STP18439S

    Committee/Subcommittee: D34.02

    DOI: 10.1520/STP18439S


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