The following document details the method used for the determination of total metals and elements, also speciated isotope dilution mass spectrometry (SIDMS) for the determination of elemental and molecular species.

EPA is committed to respecting intellectual property, regardless of its source, including "outside" intellectual property created without participation by EPA, according to but not limited to the United States Patent Law. When EPA procedures or standards require or recommend the use of outside intellectual property, such as patented equipment, methodology, and/or technology, EPA encourages potential users to contact the patent owner(s).

Certain aspects of SW-846 Method 6800 are patented and owned by a third-party company, Applied Isotope Technologies, Incorporated (AIT). EPA encourages potential users of Method 6800 to contact AIT directly to investigate the terms and conditions of use of the patented or otherwise proprietary intellectual property.

• Method 6800: Elemental and Molecular Speciated Isotope Dilution Mass Spectrometry, part of Test Methods for Evaluating Solid Waste, Physical/Chemical Methods (PDF)(68 pp, 889 K, July 2014 )