Brooks Applied Labs has worked closely with the EPA as a contracted laboratory to assist the EPA in validating all of the 1600-series analytical methods listed below. We are proud of the significant contribution that many of our present and past employees have made in advancing what are now widely accepted methods.

EPA Methods & Guidance:

AOAC Method 2015.01Heavy Metals in Food: Analysis of Low-Level Arsenic, Cadmium, Mercury, and Lead by ICP-CRC-MS with Microwave Digestion
Method 200.8 - Revision 5.5For determination of dissolved elements in ground waters, surface waters and drinking water. It may also be used for determination of total recoverable element concentrations in these waters as well as wastewaters, sludges and soils samples
Method 1630Methyl Mercury in Water by Distillation, Aqueous Ethylation, Purge and Trap, and CVAFS, EPA 821-R-01-020, January 2001
Method 1631 - Revision EMercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry, EPA 821-R-02-019, August 2002
Appendix: Method 1631Total Mercury in Tissue, Sludge, Sediment, and Soil by Acid Digestion and BrCl Oxidation, EPA 821-R-01-013, January 2001
Guidance: Method 1631For the Determination of Low Level Mercury (40 CFR part 136), EPA 821-R-01-023 March 2001
Method 1632 - Revision AChemical Speciation of Arsenic in Water and Tissue by Hydride Generation Quartz Furnace Atomic Absorption Spectrometry, EPA 821-R-01-006, January 2001
Method 1638Determination of Trace Elements in Ambient Waters by Inductively Coupled Plasma - Mass Spectrometry, EPA 821-R-96-005, January 1996
Method 1640Determination of Trace Elements in Water by Preconcentration and Inductively Coupled Plasma - Mass Spectrometry, EPA 821-R-96-007, Draft April 1997
Method 1669Sampling Ambient Water for Trace Metals at EPA Water Quality Criteria Levels, EPA 821-R-96-011, July 1996
Method 6020aInductively coupled plasma-mass spectrometry (ICP-MS) for the
determination of sub-μg/L concentrations of a large number of elements in water samples and in
waste extracts or digests. Revision 1, February 2007