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SW-846 Test Method 8321B: Solvent-Extractable Nonvolatile Compounds by High-Performance Liquid Chromatography/Thermospray/Mass Spectrometry (HPLC/TS/MS) or Ultraviolet (UV) Detection

The following document discusses the method designed to detect the chlorinated phenoxyacid compounds and their esters without the use of hydrolysis and esterification in the extraction procedure.

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