Gas chromatography mass spectrometry pdf
Gas chromatography mass spectrometry pdf 2 Methods of Analysis—Determination of Pesticides in Sediment Using Gas Chromatography/Mass Spectrometry Purpose and Scope This report describes a method for the extraction and quantification of 119 pesticides from sediment samples by using GC/MS. The method described in this report was developed by the USGS Sacramento Laboratory to support the …