Determination of Endothall in Drinking Water by Ion-Exchange Extraction, Acid Methanol Methylation and Gas Chromatography/Mass Spectrometry

This note presents the EPA Method 548.1, Revision 1.0, for the determination of Endothall in drinking water. Three techniques are used to achieve this; Ion-Exchange Extraction, Acid Methanol Methylation and Gas Chromatography/Mass Spectrometry.