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SW-846 Test Method 3020A: Acid Digestion of Aqueous Samples and Extracts for Total Metals for Analysis by Graphite Furnace Atomic Absorption Spectroscopy (GFAA)

This document explains the digestion procedure used for the preparation of aqueous samples, mobility-procedure extracts, and wastes that contain suspended solids to determine the sample's metal content.

Method 3020A: Acid Digestion of Aqueous Samples and Extracts for Total Metals for Analysis by GFAA Spectroscopy, part of Test Methods for Evaluating Solid Waste, Physical/Chemical Methods (pdf) (July 1992)